Ford Expedition Ford Expedition

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Ford Expedition repairs by problem area

Engine (29%)

Transmission and Drivetrain (12%)

Brakes and Traction Control (10%)

Suspension and Steering (13%)

Electrical and Air Conditioning (27%)

Paint, Rust, Leaks, Rattles, and Trim (5%)

Other (5%)

Chart based on 678 repairs.

Ford Expedition engine repair cost distribution

$2500+ (10%)

$1000 - $2499 (11%)

$500 - $999 (29%)

$100 - $499 (43%)

< $100 (7%)

Chart based on 138 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2013 Ford Expedition 4dr SUV

310-horsepower 5.4L V8 6-speed automatic 4WD w/low range

45000 mi

US $75
Replaced oil sensor because it was leaking oil. Was covered under vehicle warranty. 

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2011 Ford Expedition 4dr SUV, ext.

310-horsepower 5.4L V8 6-speed automatic 4WD w/low range

24906 mi During MPI, dealer noticed heater hose clamp failed (not noticed by me), replaced hosed, topped off coolant. No cost - warranty. 

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2009 Ford Expedition 4dr SUV

310-horsepower 5.4L V8 6-speed automatic 4WD w/low range

113460 mi

C $500
Replaced water pump due to coolant leak. 

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2008 Ford Expedition 4dr SUV, ext.

300-horsepower 5.4L V8 6-speed automatic 4WD w/low range

64000 mi

US $100
exhaust manifold gasket leaking. tech broke off stud and complete motor had to be removed for repairs. enigne is now down on power and has abnormal odor 
81000 mi

US $350
Vacuum system hose had a leak, plus replaced fuel filter. 
56000 mi Worn pulley under serpentine belt -- repaired under powertrain warranty. 
33000 mi Interior components of one catalytic converter came loose, causing noise and engine performance problems. 

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2008 Ford Expedition 4dr SUV

300-horsepower 5.4L V8 6-speed automatic RWD

130000 mi

US $395
had three coil pack replaced 
63700 mi

US $105
Transmission slipping and shifting hard. 
70000 mi

US $65
Engine whine. Serpentine idler pulley bearings worn. 
82000 mi

US $564
Ticking sound on engine start. Sound gone after warm up. Exhaust leak. Rear cylinder exhaust manifold warped beyond limits. Passenger side. Replaced with non OME part. Replaced stud bolts as well. 
105000 mi

US $1535
Replace spark plugs (include retrieving 7 out of 8 broken plug heads), replace #4 coil, replace cooling system hose assy, flush and refill cooling system, perform routine oil/filter change 

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2008 Ford Expedition 4dr SUV

300-horsepower 5.4L V8 6-speed automatic 4WD w/low range

73000 mi

US $219
Coil failed on cylinder 7 and needed to be replaced. 
18600 mi Replaced environmental control ECU 
51000 mi

US $300
Engine cam position sensor connector ends not fitting securely. R/R cam posiitons connector, clear codes, perform wiggle test on connector. 
74300 mi

US $150
RR bank 2 camshaft cam position sensor. 2nd time. 
71000 mi

US $1700
Replaced 3 belt pulleys to resolve engine whine. 

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2007 Ford Expedition 4dr SUV, ext.

300-horsepower 5.4L V8 6-speed automatic 4WD w/low range

142600 mi

C $1000
Replaced throttle body assembly due to rough idling (chugging) Throttle body assembly did not solve poor idle. Variable Cam Timing (VCT) solenoids replaced 
145700 mi Engine seizure 
99000 mi

US $920
Replaced failed fuel pump. Had to tow truck to shop. 
108000 mi

US $500
Spark Plugs 
78000 mi

US $80
Due to two piece spark plug design, the bottom but of the spark plug gets stuck and breaks off. Used special tool to remove three broken spark plugs. 
134300 mi

US $2800
Radiator leaking at transmission coolant lines and other places. Radiator replaced. 
152000 mi

US $1600
New fuel pump needed 

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2007 Ford Expedition 4dr SUV

300-horsepower 5.4L V8 6-speed automatic RWD

82000 mi Cylinder #4 misfire CEL past 1 month from failed coil packs and/or spark plugs gone bad. Misfire CEL identified by scanning diagnostic tool. I've decided to just replace all 8 coil packs & spark plugs at the same time. 
98000 mi

US $670
replace coil on one cylinder not firing 
158000 mi

US $980
Coil on Cylinder #5 failed. Check on all other coils revealed three other potential problematic. Chose to replace all eight coils duel to mileage. Also had front brake pads replaced. 
124000 mi

US $380
sputter when maintaining speed. 
83000 mi

US $1200
no start replaced fuel pump and spark plugs 

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2007 Ford Expedition 4dr SUV

300-horsepower 5.4L V8 6-speed automatic 4WD w/low range

84000 mi

US $1800
Serpentine belt cracked and replaced. Corroded wire noted when spark plugs were replaced causing misfire on cylinder number 4. Wire replaced. 
93000 mi

US $1700
oil leaks. replaced 1) valve cover gasket 2) oil pan gasket 3) oil filter gasket 
146000 mi

US $288
replaced belt tensioner 
147000 mi

US $87
Had to replace coil pack and spark plug, third one. Probably end up having to do all eight. 
145000 mi

US $80
Replace coil pack. 
130000 mi

US $340
Whining sound from engine compartment rising and falling in pitch in step with RPM's. Shop replaced serpentine belt, pulley, idler, Tensioner (?). 
33000 mi Transmission reflashed to fix 2-1 gear downshifting issue. 
59500 mi

US $200
Developed a miss and check engine light. Turned out to be bad coil pack on # 5 cylinder. 

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2006 Ford Expedition 4dr SUV

300-horsepower 5.4L V8 4-speed automatic RWD

76000 mi

US $680
Engine was misfiring under load. Had the plugs and one coil replaced. High cost due to plugs breaking off in head (known issue with 5.4l). Problem solved. 
125000 mi Ignition coil number 4 replaced Engine Knocking,oil leak, need to replace oil pan/oil filter housing-gasket 
106000 mi

US $1400
Oil pressure was low from weak oil pump and tensioners were bad. Timing chain broke so replaced all parts and cam phaser 
117000 mi Car through similar code to problem before. Next step would be changing oil pump and both cam phasers 
141000 mi Ran into the unknown to me but big problem of the spark plug issue. Price to fix was to range between $500 and $5000. We Traded it off for a Sienna 
116000 mi

US $8200
variable cam issues took to Dealer they said that they thought the camshaft/camshaft seals may have had damage would have to take engine apart to see IF that was problem 600-1000$ then if it was the problem 7500$ engine replacement. 

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2006 Ford Expedition 4dr SUV

300-horsepower 5.4L V8 4-speed automatic 4WD w/low range

104000 mi

US $700
Had a tune-up and fuel injection treatment done. Just plugs and fuel treatment. 
131000 mi

US $250
stalling out, possible VCT. The VCT and phaser had been repaired <2yrs ago. They changed oil and light went off. Stalled again the next day, can limp along ok but suggested repair will be $2K-$4k. 
133000 mi same issue as before with VCT and stalling. 
44000 mi

US $100
Replaced fuel filter, airfilter, seat air filters, and PCV tube. Performed myself. I perform oil changes every 3k. 
46000 mi

US $600
Bad coil on plug, replaced coil on plug, all 7 COP boots and all plugs. Shop performed work, it was cold and not much time. 
125000 mi

US $63
#5 and 6 cylinders miss-fire, replaced plugs and coils. 
62000 mi

US $500
Fuel pump driver module corroded. Part replaced. 
100000 mi

US $100
catalytic converter (right bank)plugged and kept optimal performance in bad shape. I removed it, and replaced it and that solved the problem. 
140000 mi

US $385
Replaced bad drivers side catalytic converter, which was causing a P9040 emissions code and Check Engine Light. 

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2005 Ford Expedition 4dr SUV

300-horsepower 5.4L V8 4-speed automatic RWD

64000 mi Loud knocking sound at start up, appears to be cam phasors, however dealer can't replicate and warranty will not cover a intermitent knock. 
98000 mi

US $550
Since the extended warrenty covered all but $500 wear and tear (plugs oil filter etc.) they never gave me a clear idea of what went wrong. But the total bill was close to $3000. 
81000 mi

US $1100
OBD code P0012. Timing chain guide, bank 1, was broken. Replaced bank 1 timing chain guide and chain tensioner. 
80000 mi

US $700
Coil and plug changes and fuel rail cleaned 
77000 mi

US $3300
Stuck open injector replaced,plugs replaced(had to buy LISLE broken plug remover tool kit $80)plugs were Autolite H15 for $12 each, injector was $40)replaced vct cam sensors at $20.May have to replace cam phaser. Stuck open #1 injector caused hydrolock on #1 cylinder. Bent rod. Replacing rod and piston,rings,bearings etc. Cost $3000.00. It sucks but is better than a car payment. Kid cranked and moved vehicle while parents out of town. oh well. 
79000 mi Light came on after major engine repair. Found loose wire. Repaired same, reset but after driving a few days, light back on. 
88300 mi

US $500
Caused by earlier problem of leaking injector/thrown rod. Codes P0171 bank one too lean, P0304 cylinder 4 misfire, P0204 injector open cylinder 4, P0420 catalyst system below threshold bank 1. 
120800 mi

US $550
Fuel system problem. 

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2005 Ford Expedition 4dr SUV

300-horsepower 5.4L V8 4-speed automatic 4WD w/low range

70000 mi

US $311
#4 injector wire chewed by rodent?! Doubtful as no other signs of rodents anywhere else in vehicle or other family vehicle. What can one do? 
94000 mi

US $391
Fuel pump control module failed on the highway without warning. Required tow to dealer and one full business day to repair. 
123000 mi

US $750
A couple of new coils/plugs needed to fix rough idle issue. 
67700 mi

US $100
camshaft phasers 
198000 mi

US $68
VEHICLE WOULDN'T SHIFT OUT OF FIRST GEAR, CEL. WIRING HARNESS REPLACED AND TWO SENSORS 
229000 mi

US $80
REPLACED WATER PUMP REPLACED INTAKE GASKET 
98000 mi

US $20
Camshaft Positioning Sensor replaced 
21568 mi Cam phasers replaced on engine. Warranty repair. 
40000 mi Truck always seems to be low on oil since the last cam phaser replacement. Adding about 1/2 quart per month it seems. 
52000 mi Ticking noise again from engine. Thought it was cam phasers again. Dealer mechanic sez lifters are making the noise this time. No warranty coverage. Would be a $1400 repair. 
60000 mi Switched to 10W-30 oil from 5W-20 to quiet the lifter rattles. It helped a little. 
65726 mi Truck is now regularly consuming at least one quart of oil per month. 
68269 mi

US $3600
Camshaft bearings failed and plugged hydraulic valve ports for cam chain tensioner. Engine requires complete rebuild and new cylinder heads (cam bearings are unrepairable). Replaced engine with a used one from the wreckers. 
42000 mi I bad fuel injector covered under Ford ESP 
181000 mi

US $300
spark plugs were broken in half on those bad model years... it been corrected.. it is only problem we had with this vehicle 
75000 mi

US $1400
missing at WOT, vibration at all speeds, rpl. spark plugs, 1 coil, new fuel pump 
80500 mi

US $1250
Passenger side catalytic converter clogged shut 
106000 mi

US $2700
Cam phasers,timing chains,timing gears,hydraulic chain tensioners cam solenoids 
158000 mi

US $600
Fan clutch 
86000 mi Main computer was removed and replaced. 
99000 mi

US $353
Engine would not start. A fuel control module under the spare tire had to be replaced. 
106000 mi

US $2533
Remove and replace exhaust manifold 

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2004 Ford Expedition 4dr SUV

260-horsepower 5.4L V8 4-speed automatic RWD

249000 mi

US $993
Spark plug, threads, and ignition coil separated from the head. 

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2004 Ford Expedition 4dr SUV

260-horsepower 5.4L V8 4-speed automatic 4WD w/low range

89000 mi

US $160
Check engine light (replaced O2 sensor) and poor performance. 
156000 mi

US $5
Rubber vacuum hose connector was rotted, causing a vacuum leak and warning light for lean fuel mixture. 
132300 mi

US $45
Replaced tensioner pulley. 
97500 mi

US $20
exhaust pipe gasket failed. successfully replaced 
114000 mi

US $200
Had to replace coil and spark plug (113,770 miles). 
114000 mi

US $198
Spark plug coil and spark plug. 
55300 mi

US $270
replace rear blend door motor 
135000 mi EGR sensor valve was replaced 
185000 mi

US $60
number 1 Spark plug came out. 
116000 mi

US $225
replace thermostat 
174000 mi Wheezing sound coming from the intake. 

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2004 Ford Expedition 4dr SUV

232-horsepower 4.6L V8 4-speed automatic RWD

131000 mi

US $95
ingition coil 

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2004 Ford Expedition 4dr SUV

232-horsepower 4.6L V8 4-speed automatic 4WD w/low range

131000 mi

US $275
Replaced oil filter hosing gasket 
214000 mi

US $280
Oil leak. Oil filter adapter gasket replaced 

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2003 Ford Expedition

Engine not specified

95000 mi

US $1500
Radiator Leak - replaced Other maintenance was routine. 

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2003 Ford Expedition 4dr SUV

260-horsepower 5.4L V8 4-speed automatic RWD

138300 mi The head gasket blew 
283000 mi

US $1049
Replaced fuel pump and filter 
144000 mi

US $760
5.4 L engine. Rear-most spark plug blew out. R&R plug, ignition coil, intake gasket, coolant, manifold, machine work. 
145000 mi

US $654
Faulty mass air flow sensor cause the Check Engine Light to come on. Sensor was removed and replaced. 
149000 mi

US $1600
Rough idle and rough driving. Replaced #7 coil and spark plug. 
150000 mi

US $88
Vacuum hose leak caused Check Engine light to come on. Hose replaced. 
184500 mi

US $850
Engine coolant low, replaced leaking intake gaskets 
141000 mi

US $3400
Head gasket leaking, replaced all internal engine gaskets, timing chain, and machined valves.  
143000 mi

US $2800
Oil pump failed and caused pieces of metal to appear in the oil. Engine crankshaft damaged, replaced by dealer after they had repaired head gasket and oil pump. 
143000 mi leaking oil from gaskets, dealer replaced headgasket under warranty from previous work 
104000 mi

US $700
Misfire due to two individual ignition coils malfunctioning - two ignition coils replaced 
123000 mi

US $675
Failed ignition coils 
137000 mi

US $550
Fuel tank, corrosion at relief valve. Was repaired as a new tank is dealer only and $1,700 
117000 mi

US $115
MAF sensor replaced. 
128340 mi

C $227
cranked but would not start, dealer replaced control module relay, problem solved 
142600 mi

C $221
engine cranked but would not start, dealer checked codes, reset computer, problem solved, 2hrs. labor. 
152520 mi

C $521
Replace 2 Ignition coils 
152520 mi

C $485
Blown out spark plug, replaced all plugs and 1 ign. coil 
50000 mi

US $200
Replace bad speed sensor on transmission 
60000 mi

US $400
Replace bad coil on plug 
67000 mi

US $900
Replace bad coil on plug, new coil on plug insulators, replace spark plugs 
148000 mi

US $400
Auxiliary heater hose came loose from fitting. Freak problem. 
165000 mi

US $300
replaced 2 more coils 
126000 mi

US $300
coolant valve looked. It's sitting over the top of cylinder coil which had to be replaced as well. 

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2003 Ford Expedition 4dr SUV

260-horsepower 5.4L V8 4-speed automatic 4WD w/low range

102000 mi

US $800
Intake manifold cracked 
130000 mi

US $150
Coil pack on cylinder #3 failed and needed replacement 
153000 mi

US $210
valve cover gasket leaking and needed to be replaced 
185700 mi

US $800
Both catalytic converters were bad. I bought the 2003 Expedition new in California. I now live in South Carolina so I replaced the CAT's with 49 State Original Equiptment ones since my Expedition doesn't have to pass CA emissions test. 
154000 mi

US $61
Water in spark plug well had to replace number 1 cylinder ignition coil pack. 
177960 mi

C $750
Installed vacuum lines and reservoir. Bill included actuator installed earlier. 
112700 mi

US $430
Ejected no. 3 sparkplug. Drilled out hole and tapped for new insert. Installed insert. Replaced spark plugs and new no. 3 coil. 
183000 mi

US $200
My truck is burning coils right now one about every two weeks or so. Have replaced 4 already in two months. Not sure if we are done with coils yet on this one. 
112000 mi

US $80
replaced coil-on-plug #6 
189000 mi The car was "missing" at idle or acceleration. My mechanic stated that some moisture got down in one of the spark plugs. Spark plug removed,dried then put back in. No further problems at this time. 6 wks later. 
104000 mi

US $600
hard starting after warm engine. Replaced fuel pump. problem solved 
116000 mi

US $3800
Blown head gasket 
104000 mi

US $248
Oil pressure gauge on the dash dropped to nothing. Mechanic replaced the oil pressure sensor and verified with that pressure was there. 
111000 mi

US $3750
Symptoms: No oil pressure and timing chain rattle. Mechanic recommended an engine rebuild. New timing chain (guides had broken and chain was flapping away unchecked), oil pump, and water pump, cylinders were bored, new bearings. 
139000 mi Throttle would stick on. Likely due to sub zero temperature. 
34300 mi engine will not start on first try during the hot weather. 
39700 mi

US $706
Fuel pump lost prime. Small hole in the pump return hose. 
97000 mi

US $400
Car quit 7 times on trip home from vacation. Replaced crank sensor, but problem occurred 1 week later 
97000 mi Sold car because could not get stalling problem fixed. 

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2003 Ford Expedition 4dr SUV

232-horsepower 4.6L V8 4-speed automatic RWD

154000 mi

US $84
Coil number 7 failed. Replaced coil but when I unplugged connector, wires pulled from harness. No NEW part available, went to salvage and cut and spliced no harness. Replaced Fuel Filter 

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2003 Ford Expedition 4dr SUV

232-horsepower 4.6L V8 4-speed automatic 4WD w/low range

87700 mi

US $45
Truck was misfiring and running rough. Ran OBD test, said #2 cylinder was the problem. Replaced coil pack on that cylinder. 
107000 mi

US $50
Truck was misfiring and running rough. Ran OBD test, said #3 cylinder was the problem. Replaced coil pack on that cylinder. 
111000 mi

US $60
Truck was hesitating and running rough, replaced ignition coil #3. 
121000 mi

US $98
Another lean code came up, this time Mass Airflow sensor was dirty even though it was cleaned a few months ago. 
89000 mi

US $800
Check engine light is on due to failure of small part that helps mix the gasoline/regulate emissions. Part was estimated at $50 with repair labor at $750! 
125000 mi

US $800
emissions sensor broke. Small part to fix but entails taking engine apart to reach it... 
139000 mi

US $400
Check engine was on because of the gas cap & something else in the engine. 

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2002 Ford Expedition 4dr SUV

260-horsepower 5.4L V8 4-speed automatic 4WD w/low range

94240 mi

C $75
Thermostat replacement, including new coolant. I bought this vehicle knowing that the thermostat would need to be replaced. 
95540 mi

C $53
Coil On Plug (COP) for Cylinder #8. 
104648 mi

C $53
Coil On Plug (COP) for Cylinder #7 
169880 mi

C $200
Replaced #2 and #6 ignition coils due to misfire. 
172360 mi

C $180
Radiator replaced. 
128000 mi

US $300
Radiator had a small leak on the lower drivers side end tank where the aluminum/plastic is bonded. Due to the mileage, water pump, fan clutch, upper and lower hoses, tstat and cap were also replaced. Total cost for parts was less than $300 
158000 mi

US $2000
running very rough at idle cel on reporting 10 codes kept burrning out relay in fuse box passgr side finally melted mother board rr it $385 took it down to 2 codes p0171 p0175 rr maf sensor $106 down to 1 code p0171 rr plugs,hafs,ect no help changed egr,vacuum lines,pcv,still says bank 1 to lean will have to pay $130 for diagnostics i guess 
191000 mi

US $60
Replace coil on plug coil packs 

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2002 Ford Expedition 4dr SUV

232-horsepower 4.6L V8 4-speed automatic 4WD w/low range

91853 mi

US $693
Check Engine light - misfire cylinder #4. Needed new coil pack. Replaced coil pack and got 100,000 service 

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2001 Ford Expedition

Engine not specified

99000 mi

US $1000
Replace rusted exhaust manifolds 

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2001 Ford Expedition 4dr SUV

260-horsepower 5.4L V8 4-speed automatic 4WD w/low range

152300 mi

US $800
Passenger side exhaust manifold was rusted through and was replaced 
74000 mi

US $500
Leaking coolant at intake manifold. Spark plugs replaced. Thermostat replaced. O2 sensor replaced 
93000 mi

US $165
anti-theft would not clear, could not start the suv. ECM repaired. 
106000 mi

US $174
engine would stop at traffic signal or in traffic. Wouldn't start intermittently. A $31 relay was replaced. 

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2001 Ford Expedition 4dr SUV

232-horsepower 4.6L V8 4-speed automatic RWD

232000 mi

US $30
Car wouldn't shift past 2nd gear and engine RPM at idle was in excess of 1500. Replaced throttle position sensor (TPS). 
43000 mi

US $168
Engine started idling rough with loss of power on takeoff. Smell of fuel present and check engine light activated. Cyl #4 coil was arcing to engine block. Replaced coil and plug. 

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2000 Ford Expedition 4dr SUV

260-horsepower 5.4L V8 4-speed automatic RWD

133000 mi

US $235
wet ignition coils due to cracked rubber boots covering them. applied silicone gel to repel water, rather than replacing boots at $1100. 
153000 mi

US $500
Manifold btw radiator and engine was leaking. Coolant in one cylinder. 
158230 mi

US $5700
Replaced engine with factory short-block. Spark plug was sucked into cylinder, destroyed one head. Due to cost of replacing only the head, decided to install new short-block from Ford. Engine OK until spark plug failed. 
266000 mi

US $183
Truck would not idle. Replaced IAC valve and cleaned throttle body. Valve cost $80 
126700 mi

US $1600
Fuel pump failed/replaced. Throttle body/fuel injectors cleaned. 

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2000 Ford Expedition 4dr SUV

260-horsepower 5.4L V8 4-speed automatic 4WD w/low range

91000 mi

US $100
Misfire, had to replace all 8 COP ignition coils. runs great now. 
93000 mi

US $200
Continuous problem with COP's intermittant misfire. I replaced the COP a second time and they seem to be a bit better quality than the last set I had. They work great.  
278000 mi

US $700
Gasket leak with header. 
37000 mi

US $200
Engine light came on. Engine running VERY rough with hard accelleration. ran ok if not "pushing" hard. Diagnostic showed cylinder #8 misfire. Dealer replaced coilwire. vehicle ran better (for a while). Problem has recurred now 
40000 mi

US $1200
Original "missing" problem when accelerating was addressed (coil wire).  
45000 mi

US $1400
Running rough while engine "cold". "check engine" light came on. Noted low engine noise. per dealer, manufacturer provided partial coverage for repairs. Replace variable timing device, cat converter, & coil wire X 2 
210300 mi

US $875
Heater core needs to be replaced. 

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2000 Ford Expedition 4dr SUV

240-horsepower 4.6L V8 4-speed automatic RWD

93000 mi

US $1250
Car cabin started smelling like engine coolant really bad. Inside windows fogged up when driving. Car started leaking coolant. Heater core went bad. 8 hours labor. 
95000 mi Rear heater core cracked. Replaced. Idle control valve was bad. Car would idle below 500 rpms and the vehicle would shake. 
216000 mi

US $340
A/C blowing out antifreeze fumes, antifreeze leak. Had to replace radiator, thermostat and antifreeze. Working properly now. 

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2000 Ford Expedition 4dr SUV

240-horsepower 4.6L V8 4-speed automatic 4WD w/low range

67000 mi

US $300
Vehicle running very rough, ignition coils suspected. Had previously replaced all coils about a year ago. 

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1999 Ford Expedition

Engine not specified

225000 mi

US $750
Blown Head gasket, and mulitple oil leaks. 
176000 mi

US $1415
Rod and main bearings replaced. 

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1999 Ford Expedition 4-door

8-cylinder automatic AWD

135000 mi

US $330
Shorted spark plug coil. Had to be replaced. 
147000 mi

US $275
emissions system hose problem 

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1999 Ford Expedition 4-door

8-cylinder automatic 4WD

151000 mi

US $175
Engine blew the spark plug out of it. Broke the coil and couldn't find the spark plug. Then it did it again 3 days later. Found it was a common problem with 5 vehicles and 3 types of engines with Fords. Replace with heli-coil and seems to be working. 

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1998 Ford Expedition 4-door

8-cylinder automatic 4WD

157500 mi

US $55
Engine hesitation under mild load at low rpm. Changed out #4 COP & cleaned MAF sensor, but problem still remains. No MIL light coming on. 
160000 mi

US $50
Engine had been missing but did not throw a Check Engine Light. Hooked up OBD2 scanner found cyl.#1 misfired previously. Changed the COP (coil-on-plug) and now engine runs smooth again. 
162500 mi

US $250
Spark Plug in cylinder #7 blew out of the head. Mechanic used plug thread repair kit to fix the problem. 

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Ford Expedition Engine Problems

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