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GMC Envoy Engine Problems

295 TrueDelta members own (or used to own) a 2000 or newer GMC Envoy. 57 of these members (19.3%) have reported engine repairs for their car. A total of 111 engine repairs to GMC Envoys--an average of 0.4 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 GMC Envoy problems occur, check out our car reliability stats.

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Chart based on 340 repairs.

GMC Envoy engine repair cost distribution

Chart based on 87 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 GMC Envoy repair histories. Log in or join us to see them all.

2006 GMC Envoy

Engine not specified

24000 mi   Gas gauge sensor 

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2006 GMC Envoy 4dr SUV

300-horsepower 5.3L V8 4-speed automatic 4WD w/low range

54700 mi US $800 Water pump leaking - replaced water pump. 

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2006 GMC Envoy 4dr SUV

291-horsepower 4.2L I6 4-speed automatic RWD

22000 mi   Fuel tank level sensor module failed. Replaced under warranty. No problems. 
25000   Engine misfiring. Problem traced to ignition coil(s)for cylinders 1 & 2. Coils replaced. Fault no longer apparent. 
33000 US $315 Carbon build up affecting performance. De-coke and injector cleaning carried out. 

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2005 GMC Envoy 4dr SUV

275-horsepower 4.2L I6 4-speed automatic 4WD w/low range

63860 mi   Secondary air check valve rusted and stuck. 
112840 C $130 Cooling fan Clutch .Code P0526 
124180   Engine did not reach operating temperature by the alloted time .ODBii code P0128 .Changed Thermostat and coolant Temperature sensor. 

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2004 GMC Envoy 4dr SUV

275-horsepower 4.2L I6 4-speed automatic 4WD w/low range

55800 mi   Air pump gate (valve) cleaned. Code P0410 
57040 C $40 Relay for exhaust airpump sensor.  
68000   Envoy went in for Check engine light turned out to be a air pump sensor.  While in shop they noticed the water pump was leaking. Replaced. Fan clutch was also replaced. They also noticed that the cam actuator solenoid was leaking. Replaced. 
78000 US $35 The AIR system comtinues to give multiple problems on this model year GM Vehicle. A drop of water can freeze in the pump and cause these un-desired effects. In my professional opinion it is caused by another GM Design flaw. I took the piping loose and ble 

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2003 GMC Envoy 4dr SUV

275-horsepower 4.2L I6 4-speed automatic RWD

90000 mi US $100 Bad Thermostat per service engine soon code Water pump bearings making rumbling noise 
95000   Water pump bad 
114000   Engine light on- replaced gas cap. radiator cap leaking- replaced. 
129000   Check engine light on- replaced purge solonoid 

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2002 GMC Envoy 4dr SUV

270-horsepower 4.2L I6 4-speed automatic RWD

181000 mi US $350 engine stalled repeatedly 

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2002 GMC Envoy 4dr SUV

270-horsepower 4.2L I6 4-speed automatic 4WD w/low range

51000 mi US $635 #1 cylinder misfiring causing rough engine idling. Ignition coil replaced. 
53000   More bad ignition coils needed to be replaced. Vehicle accelerated poorly and seemed underpowered, then Service Engine Light came on. Also found bad plugs and a melted wire. The shop then found a leaky seal and replaced it. 

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