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Chart based on 33 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Two problems. Car running on only 5 cylinders. one cyl not working due to bad Ignition coil. So engine struggles on uphill. Rear blower starts when ignition key is turned off.
37000 mi
US $250
Ignition coil on the 5th cylinder was not working. Got the Ignition coil from a external source($90 vs $140) and paid for the labor and spark plug.
142000 mi
US $300
oil change
1000000000 mi
US $600
Fuel injectors were gunked up. 1 cylinder wasn’t firing because the cable running power to the injector was loose at the connection site
Rattle caused by loose bracket. Bracket tightened.
198000 mi
US $400
oil pressure regulator.
85000 mi
US $850
Heat shield between drive train and cabin rusted out and had to be replaced.
95000 mi
US $865
Replaced rear main seal.
101000 mi
US $370
Replaced serpentine belt and Tensioner
89800 mi
US $1500
4 coils needed to be replaced
102000 mi
US $150
Front Muffler rusted, repair shop did not have part, inserted straight pipe. Still has both rear mufflers. Little louder than stock.
110000 mi
US $725
Replaced front muffler assembly
56000 mi
US $130
Loose heat shield, louder than normal engine noise due to rattling.
14000 mi
US $46
Rough Idle, died sometimes when idling. Dealer replaced throttle body, problem solved.
19840 mi
Engine speed surging at hot idle
75820 mi
C $500
Replaced serpentine belt
89280 mi
C $50
Heat shield loose. Replaced bolts and reattached
68000 mi
US $180
Replacing the AC belt, which started to crack as previously inspected.
121500 mi
C $200
Drive belt and alternator belt replaced
124620 mi
Drive belt was about to fail due to improper installation by dealer.
24000 mi
Ticking sound from engine at 1500rpm under acceleration/load. Dealer found TSB related to problem. Dealer re-flashed computer and issue was gone.
28000 mi
Knocking sound when cold. Unsuccessful, suspected in intake. Goes away when warm and is not heard unless below 40 degrees.
75000 mi
Serpentine belt replaced as it showed signs of aging (cracking)
10000 mi
Intermittant coolant odor present at 40 degrees+ in traffic/ in garage. Unable to find leak or repeatedly find issue, it happens in slow traffic and when fresh air is coming in (not on recirculate) Same issue since new, annoying for such a great car.
36300 mi
US $577
Spark plugs replaced.
100000 mi
US $93
Worn drive belts.
Replaced 2 belts and belt tensioner.
60400 mi
US $200
oil leak. Dealer found aftermarket drain plug was ill fitting. Replaced it and leak stopped
See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how
frequently 2008 Mazda CX-9 problems occur, check out our car reliability stats.