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2009 GMC Acadia Engine Problems

71 TrueDelta members own (or used to own) a 2009 GMC Acadia. 28 of these members (39.4%) have reported engine repairs for their car. A total of 46 engine repairs to 2009 GMC Acadias--an average of 0.6 per vehicle--have been reported.

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 2009 GMC Acadia problems occur, check out our car reliability stats.

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Chart based on 192 repairs.

2009 GMC Acadia engine repair cost distribution

Chart based on 11 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Non-members can see only ten 2009 GMC Acadia repair histories. Log in or join us to see them all.

2009 GMC Acadia 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic FWD

5000 mi US $30 Transmission reflash for shift patterns on "09" Acadia's built prior to 10/08  
16000   Check engine light - computer indicated lean fuel condition. Replaced fuel sensor module and some other stuff in the fuel area. Left dealer, check engine light came back on 2 miles down the road. Stretched timing chain. Need to replace timing chain, gaskets, etc. Also addressed TSB on power steering noise (whine). All fixed. 
7000   Apparent problem with transmission control system software that caused revving, bucking, or unresponsiveness 
23000   Work on service stabilitrak/service traction control messages that are displayed on dashboard about once a week. 
16141   Check engine light was on- replaced coil for cylinder number 4. 
9000   Transmission/engine re-flash to address shift delay problem on 2009 models built before October 2009. 
32000   car just died,had to be towed to nearest GMC dealer. Electroic modulator went bad 
4000   soot build up on exhaust tips and blowing on rear hatch. dealer states normal. Vehicle appears to be running rich/unburned fuel. 
11000   check engine light code PO008. Dealer reset light.Light stayed off but timing chain was replaced due to known problem with certain build dates.Vehicle only had 10,600 miles and ran good.Fuel mileage has improved after repair! 

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2009 GMC Acadia 4dr SUV

288-horsepower 3.6L V6 6-speed shiftable automatic AWD

16000 mi   o2 sensor...3 different codes. Had to order part. Updated transmission per TSB. 
2000   Check engine light. Code was for loose gas cap - poor fuel tank vacuum. Dealer service center determined problem was bad gas cap. Replaced under warranty. Now OK. 
101000   Engine light/ code: cam shaft sensor problem and detected miss fire. Well known timing chain problem. Timing chain replaced. 
18000   TSB for Engine Control, May 2009 SW update, for early 2009 build vehicles experiencing problems on acceleration and right turns 
75000 US $1000 Slow coolant loss, traced to failing water pump 
89000   Engine misfiring, bad coils. Replaced all coils and plugs 
130000   Check engine light Catalytic converter stage failed Replaced Catalytic converter 

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