Mazda Mazda5 Mazda Mazda5

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Mazda Mazda5 repairs by problem area

Engine (24%)

Transmission and Drivetrain (5%)

Brakes and Traction Control (4%)

Suspension and Steering (42%)

Electrical and Air Conditioning (17%)

Paint, Rust, Leaks, Rattles, and Trim (4%)

Other (4%)

Chart based on 1123 repairs.
See TSBs and recalls for the Mazda Mazda5.

Mazda Mazda5 engine repair cost distribution

$2500+ (1%)

$1000 - $2499 (8%)

$500 - $999 (16%)

$100 - $499 (34%)

< $100 (41%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 231 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2015 Mazda Mazda5 4dr Minivan

157-horsepower 2.5L I4 5-speed shiftable automatic FWD

44000 mi

US $338
The main drive belt and belt tensioner needed replacement. It is a certified used car so I was concerned when I was told that I needed a repair that would cost over $300. Thankfully, I called Mazda and they just had me pay for the parts $138 

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2014 Mazda Mazda5 4dr Minivan

157-horsepower 2.5L I4 6-speed manual FWD

56420 mi

C $200
check engine light was on, DTC suggested slight evap leak. Purge valve was replaced. 
96720 mi

C $600
rear muffler assembly - pipe broke at weld where it meets the muffler 

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2012 Mazda Mazda5 4dr Minivan

157-horsepower 2.5L I4 6-speed manual FWD

8200 mi CEL and evap leak code 0455. Dealer replaced solenoid. 
32000 mi Dealer replaced motor mount, which had failed 
58600 mi Fuel filler neck vent valve defective, splashes fuel on fill-up 
124 mi

US $1166
blown radiator, engine overheat. complete engine service 
84000 mi

US $320
replaced 2 sensors to get Check Engine Light to go off 
52700 mi

C $500
Because of corrosion again, an engine mount and a transmission mount,  
36000 mi Sqeaky engine mount. Was repaired under a TSB with an insert to stiffen the mount. Problem solved. 

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2012 Mazda Mazda5 4dr Minivan

157-horsepower 2.5L I4 5-speed shiftable automatic FWD

20700 mi Smell of coolant randomly, signs of coolant leaking around radiator cap. 
128000 mi

US $245
Upper motor mount replacement 
174400 mi

US $887
Replace valve cover gaskets, spark plugs 
25800 mi Engine light came on while driving on highway, dealer diagnosed solenoid evac valve not working, replaced under warranty, 90 minutes for diagnostic and one hour for repair 
12500 mi Fuel tank would overflow when filled all the way up. Diagnosed as a faulty return valve. New fuel tank ordered and installed under warranty. 
75000 mi Repair to the exhaust pipe 
58580 mi

C $235
Evap leak - gas tank vent valve broken 
52700 mi Split oil plug leaking oil 
81840 mi

C $20
Repaired heat shield 
78000 mi

US $500
Fuel Valve replacement for emissions 
79000 mi

US $103
Hole in exhaust 
47000 mi Engine would not start multiple times. Dealer conducted electronic diagnosis and was unable to replicate the problem. 
38000 mi

US $200
The heat shield was vibrating causing noise under the car. The supports had rusted. The heat shield and supports were replaced 
70716 mi

US $2000
Two motor mounts replaced 
111600 mi

C $180
Frequent occurrence of P0455 code (evaporative emission system leak) over last 6 years: once in a few weeks or few times during the long trips. Just clearing the code with ScanGauge II and monitoring approximate frequency of its occurrence. Performance of the car is not affected. Replaced gas tank cap with new one from Mazda but it did not fix the issue. 
29760 mi Gas evap valve/sensor have been replaced. Engine light turn on. Covered under the extended waranty. 

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2010 Mazda Mazda5 4dr Minivan

153-horsepower 2.3L I4 5-speed shiftable automatic FWD

45000 mi Pollution control device under car had broken rubber mounts. Dealer replaced device and mounts. 
55000 mi

US $280
Check engine light. Cleaned throttle. 
84300 mi O2 sensor bank 1 sensor 2, slow response. Replaced. now getting p2096, lean mix after catalytic converter, which is addressed in a TSB from mazda as a malfunction of the PCU 
8680 mi Dealer re-seated the engine on the mounts, the shake reduced slightly but is still present. Over two years now with this issue. 
165000 mi

US $385
Cracked motor mount had to be replaced. 
237000 mi

US $500
Replaced serpentine belt, replaced sensor. 
252000 mi

US $700
Replaced Ignition coils. 
12682 mi Starter problem:on key selection to 'Start',starter would wind up, but not engage the engine's flywheel.Got it towed in morning, looked at in afternoon.Starter replaced and readied for 17h00.Cold weather conditions,colder tomorrow! 
26391 mi

C $200
Belt Tensioner replacement. 
32925 mi

C $200
Water pump was reported to have residues indicative of a leak. Pump was replaced. Water pump leaking; replaced. 
88660 mi

C $30
Exhaust heat shield had become loose and was rattling upon cold start up. 
34100 mi

C $1500
main 02 sensor fail 
39460 mi check engine light. o2 sensor fail. just needed a software update 
56000 mi

US $500
Cleaned throttlebody 
97800 mi Soon after purchase, the check engine light came on (P2178 too rich off idle) with no other pending or trouble codes. The engine runs a bit rough at times with low fuel economy. The garage I purchased the Mazda from replaced the MAF sensor and the Mazda genuine oxygen sensor to no avail and they do not seem to have an idea how to solve it. 
97500 mi

US $80
The error is too generic and I don't drive enough (~3k miles/yr) to make it my highest priority. So I am just following the troubleshooting guide from https://www.autocodes.com/p2178_mazda.html and replace/cleaning small things I can myself when I want to. Cleaned throttle body and replace spark plugs. I found the #1 plug was covered in oil so the valve gasket replacement is needed. But I won't do it before I replace the PCV valve, which is apparently not an easy job due to its location (underneath the intake manifold). Perhaps I will get to it when it's warmer outside. 
383160 mi

C $150
oxygen sensor failed. It may have been a replacement part but I did not report it prevoiusly. 
39680 mi

C $100
Engine light went on again but mechanic and I agree to ignore it. I goes on for a while, then off for a while (days, weeks), but nothing seems to be wrong. It doesn't flash and there is no correlation with anything, so I'm not worried. 
145000 mi

US $36
All Motor Mounts replaced 
137000 mi

US $800
Check engine light - found leaky exhaust. Replaced pipe from catalytic converter back. Check engine light still on 
153459 mi

US $500
Replace Transmission mount 
70680 mi

C $1500
Catalytic converter 

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2010 Mazda Mazda5 4dr Minivan

153-horsepower 2.3L I4 5-speed manual FWD

54000 mi

US $280
Replaced motor mount. 
240767 mi

US $99
Trouble code for cold start, repeated but intermittent code. Diagnosis was inconclusive. More intensive diagnosis at substantial estimated cost was rejected. Car is operating OK, troubled code has been off for two months. 
9920 mi Poor fuel economy observed by owner. Dealer performed diagnostics and reflashed ECU, but said many Mazdas are still "breaking in" up until 20000-25000km and the fuel economy may remain poor. 
12180 mi Raised the issue again with dealer during routine oil change. Was told to keep logs and document fuel consumption. Dealer offered to take matter up with Mazda Canada if it persists. 
42260 mi

C $500
Oxygen sensor required replacement 
96000 mi

US $500
Slipping clutch. Got clutch replaced. 
59000 mi

US $140
upper right engine mount failed, replaced 
63000 mi

US $40
Lower engine mount replaced. 

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2009 Mazda Mazda5 4dr Minivan

153-horsepower 2.3L I4 5-speed shiftable automatic FWD

32200 mi We were told the engine was leaking oil and the head gasket was also leaking. 
61000 mi

US $250
I had the oil changed at an oil changing place, and they didn't put the oil filter in right, so the oil leaked out on a road trip. Car had to have the engine replaced. Some other work was done at the same time but I can't remember what they did. 
181000 mi

US $600
Electrical short in engine wire harness. Caused Engine bus bar #1 to pop fuse repeatedly after changing several sensors/parts. Still can't dind 
189000 mi

US $2500
After changing the entire engine and body harness, I discovered the culprit was the purge valve connector behind the fuel tank and charcoal canister. It was shorted causing the eng #1 fuse to pop. After 7 months and $2500, I finally got the car to run but probably needs a new body control module but don't know which one to get: the Mazda base or Mazda GT. The harness came from a base but I own a GT? 
51700 mi

US $200
Gas cap leaking emissions; replaced gas cap and reprogrammed system 
73000 mi

US $500
bad oxygen sensor 
44640 mi

C $1000
bad front engine mount 
66960 mi

C $200
alternator belt was squeeking 
108000 mi Emissions Leak Detection Pump failure 
113800 mi

US $1500
Engine oil cooler leaking, replaced 
152000 mi

US $100
Replaced Mass Airflow Sensor 
51000 mi Cracked oil pan. 
89000 mi

US $125
Engine mount on the front passenger side that was rattling like a tiny Jack hammer. Apparently a commom problem with Mazda vehicles. 
85000 mi

US $1800
leaking oil cooler 
83000 mi

US $876
had to replace the oil cooler 
67800 mi

US $300
Check engine light came on, changed the Air Mass Flow sensor. Check engine lite still on, went back 3 more times, finally went to different mechanic who told us that the AMF sensor has to be a true Mazda part, so change the part again. 
61100 mi

US $800
Check engine light was on, took the car to 2 different mechanics with no results, so took it to the dealership, still no result. Car still have check engine light. 
75000 mi

US $50
Positive battery terminal connector severely corroded. Replaced with re-designed, corrosion resistant OEM part. 
78000 mi

US $100
Oil cooler to oil filter adapter gasket failed, allowing continuous leak of oil. Drained oil & coolant, replaced failed part with aftermarket. OEM assembly has been redesigned to address flaw, failed part is not available at dealer. 
126000 mi

US $460
Resonator pipe rusted with holes, leaking 
144000 mi

US $350
MAss air flow sensor was replaced 
157000 mi

US $261
spark plug wire replaced. Timing adjusted. Fuel system tune. 
165000 mi

US $50
Left engine motor mount was loose causing the car to shake violently. 
136900 mi

US $200
Oil leak from oil cooler gasket- had "fixed", car was returned to me with larger leak, my husband then took apart the cylinder and used sealant in all its nooks and crannies and the leak was gone. 
154000 mi

US $700
muffler 
73000 mi

US $100
Exhaust had two rust holes. 
116000 mi

US $201
AC belt broke. 
98000 mi

US $130
MIL (check engine light) appeared. Cleaned MAF (air intake sensor) and throttle body. 

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2009 Mazda Mazda5 4dr Minivan

153-horsepower 2.3L I4 5-speed manual FWD

85000 mi Broken engine mount replaced 
3100 mi Intake manifold control runners were getting stuck closed. Causing excessive noise and lack of power for first few minutes on cold starts in cold weather. Turned CEL on, and off after a day's driing. Dealer replaced entire intake manifol 
35340 mi Secondary O2 sensor failed, needed replacement. Caused check engine light 
187240 mi

C $1741
Exhaust leaking in some spots 
4000 mi The gas cap would not release, I've found other reports of similar issues on these cars now that I've looked. This happened while low on gas and trying to fill up. Luckily, I had enough gas to make it to the dealer, where they replaced my gas cap. 
82700 mi

US $35
Replaced motor mount 
23000 mi Design of gas-cap threads would cause gas cap to cross-thread and jam. 
29760 mi Check engine light went on, and they said it was the manifold intake causing the valves to trigger the engine light. It would cost $600 so we waited and the light hasn't gone on again since the check up. So we haven't done anything. 
146000 mi

US $200
Spark plug point separated and fell down into cylinder #4. 
165500 mi

US $50
Spark plug in #2 cylinder self destructed again. 
193000 mi

US $1000
exhaust manifold catalytic converter failed, also replace MAF and O2 sensor same time 

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2008 Mazda Mazda5 4dr Minivan

153-horsepower 2.3L I4 5-speed shiftable automatic FWD

103000 mi

US $1500
engine mount broken 
100100 mi

US $750
Oil pump was leaking, making care unsafe to drive. Required replacement. 
57300 mi

US $900
Engine mount replacement 
47120 mi Driving in the city, the car gave a "lurch" just before it was about to gear up. Then the engine light and AT lights came on. Stopped and turned off the car and the AT light went off. Wire had gotten loose going to the transmission. Wire tightened. 
47740 mi Replaced transmission module. 
69440 mi

C $300
engine mount was cracked 
110000 mi

US $50
Replaced passenger side engine mount 
93000 mi

US $186
PCM flashed / updated due to brake booster replacement. Engine threw code from last trip to dealer, didn't get off the lot without another code. I believe it was P2178. Indicated a bunch of fuel system stuff that was too complex for me to fix. Took a gamble that it was something serious and would be paid by Mazda Totalcare...lost that gamble as it they believed it needed and it it ended up being just an expensive throttle body cleaning. 
167400 mi

C $120
There was a hole in the exhaust and it was welded shut 
150000 mi

US $500
Problems with noise vibration harshness. Motor mount replaced 
150000 mi

US $400
Oxygen sensor intermittently working, and check engine light came on. Sensor replaced. 
138000 mi

US $500
Had to return because A/C would now cut out. Found car to be running hot. Replaced thermostat. Problem fixed. 
15000 mi -air conditioning vent on passenger's side directional clip/handle fell off -headrest on front passenger side had broken stay so it would not notch into place if adjusted -Oil pan seal was discovered to have a slow leak. Needed dissassembling and resea 
95000 mi

US $150
thermostat replaced 
1000 mi Gas cap broke off due to known defect. Known issue for Mazda 5 and Mazda 3 
1000 mi Gas cap broke - a known problem (bad lot of caps), and quickly replaced under warranty. Annoying and inconvenient, nevertheless. 
9000 mi Faulty emissions valve - got stuck in open position. 
38800 mi

US $145
Check engine light was on ($99 to diagnose), the fuel tank cap was releasing vapor, replaced ($45). 
74000 mi

US $275
A/C intermittent. My mechanic tested refrigerant, looked for leaks, air remained was cool. After another 48 hr I noticed a pattern:Temp gauge way up intermittently: a/c was cutting out because of engine overheating. New thermostat fixed it. 
98000 mi

US $780
Also discovered broken #3 motor mount. 
108000 mi Car is burning synthetic oil at rate of 1 quart per 1,000 miles (1k miles.) Two different garages checked & found no leaks. They independently advised me to trade-in vehicle, as repairs for this are too extensive. 
108000 mi Traded car because burning oil. 
15000 mi Intermittent O2 sensor 
35000 mi Thermostat failure, sticking. Replaced. 
48300 mi Low coolant tripped CEL, turns out thermostat was failed closed. Dealer replaced thermostat and performed power steering pump and engine mount campaign. Dealer covered all repair work under warranty though I thought it was outside time. 
110000 mi

US $130
Upstream O2 sensor replaced after CEL came on 
112000 mi Clean MAF sensor to clear CEL, appears to be resolved 
116000 mi

US $75
Replaced MAF sensor to address P0101 code but not completely successful. CEL will light on cold start but extinguish with a lot of driving at temperature 
122000 mi Chasing P0101 code, have replaced MAF, MAP and air filter but code still active CEL was finally cleared by cleaning the throttle body. Should have started with the simple things first before replacing sensors! 
2000 mi Gas cap replaced. Not sure if they ever issued a recall, but all of the 07 and 08's had significant problems (at least it was a notable thread on the message boards) with the caps jamming. 
36000 mi Check engine light on trip to Yosemite, Mazda cleared the code and it did not return...attributed to temp and elevation extremes affecting gas cap seal. 
94000 mi

US $150
Replaces oil pan gasket due to leak. 
104000 mi Radiator leak 

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2008 Mazda Mazda5 4dr Minivan

153-horsepower 2.3L I4 5-speed manual FWD

77000 mi

US $458
Replaced leaking oil pan gasket. 
100000 mi

US $50
Replaced motor mount. 
118325 mi

US $1428
Replace exhaust system. 
120391 mi

US $635
Replaced timing chain tensioner. 
84320 mi

C $400
block heater and cooling system flush 
125000 mi

US $150
The lower engine mount and driver side engine mount were replaced. The passenger side mount had previously been replaced and was still good. They were starting to crack, increasing torque steer and clutch chatter (manual transmission). 
129000 mi

US $70
The exhaust had several spots were it rusted through between the catalytic converter and the muffler. That section of pipe was cut out and replaced. 
44020 mi

C $202
Car burned 1 litre of oil since last service. Tipped up with 20W50 between oil changes. Told to monitor condition and see if continues. Shop indicated the wrong coolant was used in car. Car has always been dealer serviced so dealer must have made error. Had system flushed and new coolant applied. Concerned on implications with premature oil loss. 
58900 mi

C $519
Broken engine mount. Engine mount redesigned. Covered under warranty (drivetrain 100,000km). 
122760 mi

C $1000
Rebuilt the clutch. Worn out. 
30880 mi

C $600
It has a chronic stalling problem at low speeds and if I take my foot off the gas. They attempted to fix the throttle, air exchange, and now it is a computer problem that affects the entire workings of the car 
34380 mi

C $200
It also has the recurrent stalling problem again! My Mazda5 has been in the shop 14 times for this problem. 

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2007 Mazda Mazda5 4dr Minivan

153-horsepower 2.3L I4 5-speed manual FWD

28200 mi

C $50
Engine warning light on. Diagnostic code said it was due to a loose gas cap. 
48220 mi

C $100
Underbody metal heat sheilds rusted, rattling. Replaced. 
63860 mi Car would not start. Corroded control computer, corrosion in secondary engine harness connection. 
70440 mi

C $500
Hole in exhaust system at weld point due to corrosion. Muffler and exhaust pipe replaced. 
78000 mi check engine light came on. it was a p219 code for throttle body sensor or something. I cleaned throttle body and it seemed to fix the problem. 
95000 mi

US $100
replaced thermostat and added new coolant 
95800 mi

US $100
replaced throttle body  
19840 mi Low RPM stumble in 1st and 2nd gear. Happened below 1200 rpm. Dealer reflashed computer. 
20000 mi The "check engine" light came on and the 'vacuum check valve' was replaced. 
24000 mi The "check engine" light came on and the purge valve was replaced. 
80000 mi Thermostat replaced 
96000 mi

US $250
Coolant sensor went out Thermostat went out (within 30 days of replacing sensor and coolant flush). 
129000 mi

US $182
Replaced oil cooler. Oil Cooler was damaged by quick oil change place. 
161000 mi

US $88
Changed MAF and throttle body. Recharged air filter and changed spark plugs. 
97960 mi

C $257
Thermostat replaced, stuck open. Engine operated at normal temperature but took awhile to get to that temperature in freezing weather. 
102000 mi

US $100
replaced motor mount 
115000 mi

US $200
replaced motor mounts 
57040 mi

C $2300
stop and go operation over a long bridge @ 24000 kms. Clutch slippage @ 91000 kms. Replace Clutch @ 91763 kms. 
72635 mi

C $495
thermostat replacement 
83080 mi

C $190
replaced rear engine mount 

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2007 Mazda Mazda5 4dr Minivan

153-horsepower 2.3L I4 4-speed shiftable automatic FWD

29000 mi Used car purchased in June. A few days after purchased the driver noticed that flap beneath the gas cap was bent upward. The part was ordered on the first trip and replaced on a second trip. Fuel filler pipe replaced. 
87000 mi Check engine light code indicated an error with ECM. Replaced factory-spec plugs. Still waiting to see if that fixed it or if the ECM is truly shot. Will be $800 repair if so. 
150000 mi

US $50
Thermostat and coolant change. Car was running too cool. Thermostat stuck open. 
94699 mi

C $866
replace oil cooler engine mount 
62000 mi

US $700
carbon deposits in throttle body 
145000 mi Ran into a small rock on road in May. Engine replaced (covered by insurance - only paid deductible). Timing chain broke in September, damaging some cylinders. Engine replaced again - warranty coverage this time. 
8000 mi Intermittent engine stumble due to PCM detecting engine noise as throttle input. TSB: http://www.mstore2000.com/PDF_Files/01-008-08-1914.pdf 
33800 mi

US $2000
Exhaust rusted and required replacement 
68000 mi

US $70
Thermostat went out. 
107700 mi

US $35
Engine mount needs replacement. 
118000 mi Received a check engine light that stated I had an issue with the MAF sensor. Cleaned it and no more check engine light. 
119900 mi

US $10
Oil cooler gaskets were leaking and replaced. 
11000 mi Engine cuts off momentarily when cold. 
106000 mi

US $250
Temperature sensor was faulty, leading to check engine light related to emissions. New sensor fitted. 
77500 mi

US $150
EVP - Vacuum switch replaced 
117000 mi

US $80
Front Motor Mount 
62000 mi

C $200
During a very cold night / day... thermostat stuck and needed to be replaced. 
117280 mi

C $700
Multiple exhaust leaks - intermediate pipe and muffler were leaking due to rust 
130200 mi Radiator and thermostat failed - replaced. 
68000 mi

US $100
Check engine light was on, it was coolant thermostat issue, fixed under my extended warranty with 100 deduction 
62920 mi

C $1300
Original stainless steel factory muffler "full of holes like swiss cheese" according to mechanic. 
131000 mi

US $20
Thermostat needed to be replaced 
135000 mi

US $150
replaced exhaust pipe between resonator and muffler (stock resonator and muffler were still in great shape, but pipe had rotted 
75000 mi

US $320
Seems the car was running to cold and needed a thermostat replacement 
107000 mi Serpentine belt 
45880 mi

C $100
need new thermostat 
61000 mi

US $1600
Right engine support fixed (leaked) 
69900 mi

US $1500
Engine light 
84000 mi

US $600
Faulty fuel pump sensor 
143000 mi

US $700
Radiator and thermostat housing replaced. 
34000 mi CEL was on with occasional stalling problem after starting car. They fixed a vacuum leak and turned off the CEL. 

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2006 Mazda Mazda5

Engine not specified

86800 mi

C $1200
Egr tubes blocked and showing code. tubes needed cleaning. 

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2006 Mazda Mazda5 4dr Minivan

157-horsepower 2.3L I4 5-speed manual FWD

77500 mi Exhaust and brakes needed replacing. 
49600 mi Engine mount replaced 
26846 mi

C $190
Motor suddenly stopped for a half second. Oil change, wheel alignement, replace purge seleoide 
28520 mi Moteur semble couper 1 seconde en acceleration lors du démarage 
62620 mi

C $200
Engine mount leaking fluid. 
99900 mi

C $140
Exhaust repair 
115000 mi

US $34
bad thermostat 
149500 mi

US $12
Replaced right front motor mount 
167000 mi

US $20
Thermostat housing leaking. Replaced gasket 
21000 mi Reflashed PCM to newest program to increase fuel efficiency. 
50500 mi

US $200
replaced motor mount 
98000 mi

US $500
muffler and connecting pipes 
132000 mi

US $150
Replaced muffler 
19000 mi 15k maintenance + engine stumble while light acceleration (reflashed PCM) 
1000 mi Engine stumble at low speed- reflashed pcm 
108000 mi Broken thermostat. 
60000 mi

US $200
Engine mount said to have failed (liquid filled) during 60k inspection - replacement ordered and received independently, but have not yet installed. 
86200 mi

US $500
Passenger-side motor mount (liquid-filled OEM) had failed as noted at dealer. Purchased solid rubber replacement and had installed at a non-dealer mechanic.  
94000 mi

US $30
Thermostat was sticking open, creating an occasional CEL when coming off-load, as in an off-ramp with high airflow. I replaced the thermostat without issue, but spent far too long just getting the belly-pan off for proper access. 
60000 mi

US $30
Got CEL, diagnostic at the dealer said bad thermostat. Cheapest OEM Tstat $50+shipping, chose aftermarket part for $30. Part removal requires access to top and bottom of engine compartment, scrapes your forearms. 
65000 mi

US $60
What is referred to as the #3 motor mount is located on the right side of the engine, by the belts. it is a common wear item, and lasts about 50,000 miles. It takes a jack & a couple of ratchets to change. 
59500 mi

US $35
The heat shield between the firewall and exhaust is a very poor design of tin foil on fire-resistant fiber. Removed heat shield and used exhaust-wrap to wrap the exhaust from the O2 sensor to the all-metal heat shield below the body. 
77000 mi

US $60
Replaced 2nd motor mount in under 20K miles. This would have been $300+ at the dealer. Required removal of all plastic parts, battery, ECU, air cleaner, and raising transmission. It was in 3 pieces. 
77500 mi

US $300
Replaced 3rd & final mount in less than 77K mi. Mount broke from an engine stumble from OE software defect that dealer refused to cover. There was a hidden TSB for a PCM software fault that causes severe engine stumble at low rpms. This was severe enough to break a motor mount. Dealer and Mazda N. America refused to cover software download. 
97000 mi Thermostat housing began leaking from previous replacement in 2011 
70000 mi

US $25
have got P0126 code after 3hrs of driving. Replaced a coolant temp. sensor, reset a computer. Seems to work fine now 

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2006 Mazda Mazda5 4dr Minivan

157-horsepower 2.3L I4 4-speed shiftable automatic FWD

77000 mi Muffler broken 
46000 mi Flashed computer for a stumble at idle problem when cold. 
17000 mi Engine occasionally hesitates.  Squeaking belt with AC on. 
53200 mi

US $100
MIL with code P0126: Insufficient Coolant Temperature for Stable Operation. Replaced thermostat. 
26660 mi Mechanic found The oil pan was leaking. 
37200 mi

C $250
Squeak caused by idler pully on Steering replaced the pully. extended warrenty paid half the costs. 
50840 mi

C $250
right side motor mount replaced 
53320 mi

C $444
Engine light coming on. Replace thermistor in fuel flow. 
6000 mi Reflash 
40000 mi

US $100
motor mount 
14880 mi Engine oil pan leaking. 
66340 mi Coolant leaking. Loose hose. 
85560 mi

C $600
oil leaking from above the oil filter housing 
78700 mi

US $300
thermostat, sensor 
60000 mi

US $300
Replaced one engine mount which was leaking fluid. 
83600 mi

US $508
Engine oil leak. 
59500 mi

US $75
Check engine light went on. Computer said we needed a new thermostat. 
43400 mi

C $6986
Engine died.The cam-rod bearing went. I previously had it at a dealer and they did a 2 hour engine service, found nothing. The noise got progressively worse so took it back to another dealer and they told me your engine is going to die. 
119640 mi

US $125
Weld exhaust system 
149696 mi

US $308
Replace exhaust system 
163000 mi

US $2021
Replace thermostat and coolant temperature sensor. Mechanic also had to take to Mazda dealer to have them update/reflash the PCM (this was part of a TSB, but Mazda still charged $150 for this!) 
149000 mi Radiator plastic tank cracked and was replaced along with the hoses, cap and coolant. 
141000 mi

US $20
Replaced original thermostat which had gone bad. 
40000 mi

US $438
CHECK ENGINE LIGHT ON CAUSE:DTC P2407 CODE, TEST LDP FAILED. REPLACED LEK DETECTION PUMP REST PCM CLEAT CODES. T/OK PARTS $182.88 LABOR $220.00 TAX $35.25 TOTAL $438.13 
46500 mi christmas night driving home from upstate ny 10 below zero, engine lamp illuminated steady, manual said if not flashing ok to drive . got home, next day plugged in code reader. P1026 code. coolant temp too low. assumed thermostat or sensor stuck open.car would crank but not start. waited till ambient temp reached 40 degrees, about a week. car started right up no engine lamp no code. mabye frozen gas line ?. 
233 mi Ignition coil replaced under warranty. 
38971 mi Replaced upper engine mount because of leak. Fixed under warranty.  
62000 mi CEL came on. Have not pulled code yet. Checked fuel cap. Will wait 1 full tank to see if light goes out. 
63000 mi Got CEL. Pulled code - P0126 - Bad thermostat. Will order OEM part and attempt to replace myself.  
79300 mi

US $282
Had car in for 60k mile service. Discovered defective cooling system temperature regulator. 
53320 mi Squeal in wet conditions is complained about for a second time but since there is no rain, the dealer cannot reproduce it. I realize that the squeal happens when the AC is on, and suggest this to the dealer. They claim to have never checked that as a possibility, and find that it is indeed the culprit. The AC tensioner and belt are replaced under warranty. 
31500 mi

US $778
Engine light came on. Included general maintenance 
78000 mi

US $205
Engine hesitation at low rpm, sometimes stalls.  Vibration at highway speed. Replaced No.3 engine mount. 
70000 mi

US $820
Replaced front passenger engine mount. 
52700 mi

C $400
Replace bad ignition coil and sparkplug. Replace bad ignition coil and sparkplug. 

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Mazda Mazda5 Engine Problems

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