2007 Pontiac G6 Pontiac G6 2007

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2007 Pontiac G6 repairs by problem area

Engine (34%)

Transmission and Drivetrain (9%)

Brakes and Traction Control (4%)

Suspension and Steering (18%)

Electrical and Air Conditioning (23%)

Paint, Rust, Leaks, Rattles, and Trim (7%)

Other (5%)

Chart based on 137 repairs.
See TSBs and recalls for the 2007 Pontiac G6.

2007 Pontiac G6 engine repair cost distribution

$2500+ (5%)

$1000 - $2499 (5%)

$500 - $999 (7%)

$100 - $499 (33%)

< $100 (51%)

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

Chart based on 43 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2007 Pontiac G6

Engine not specified

26000 mi head gasket leak...cripes 

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2007 Pontiac G6 4dr Sedan

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

14500 mi ECU replacement. 
94800 mi

US $280
Replaced emissions control module. 

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2007 Pontiac G6 4dr Sedan

240-horsepower 3.9L V6 6-speed manual FWD

44020 mi P0113 - Intake Air Temperature Circuit High Input 
48360 mi

C $100
Replaced engine snubber. 
70060 mi

C $1000
replace water pump 
75020 mi

C $3250
Repair oil pan leak, replace lower and upper intake manifold gaskets. 

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2007 Pontiac G6 4dr Sedan

224-horsepower 3.5L V6 4-speed shiftable automatic FWD

80000 mi

US $320
Leaking from valve covers. 
150000 mi

US $200
exhaust canister 

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2007 Pontiac G6 4dr Sedan

224-horsepower 3.5L V6 4-speed automatic FWD

42000 mi Vehicle was starting to overheat, losing coolant, head gaskets replaced, heads also warped in July 2008 at 39000 miles, problem recurred in October losing coolant, traced to sticking coolant cap not releasing pressure, going out overflow, replaced cap. 
65000 mi Headgaskets leaking oil externally 6,000 miles after the first headgasket incident. 
115000 mi

US $300
Crack in radiator tank. Caused coolant to leak slowly. Radiator replaced. 
42780 mi

C $189
Check engine light came on, took it to the dealers and they reset it under the dash and said it was fine. Within 24 hrs, it was back on. Called and told them it was back on, took it in again and they ordered the emissions part. 
42780 mi Mechanic noticed an oil leak around the intake gasket. Took it to dealers, they couldn't detect anything. Told to drive for a couple of weeks and the come back for a recheck. Taking it back next week(Jun 7) for the recheck. 
48980 mi Leak in the lower intake gasket. Parts ordered and repaired the next week. 
95480 mi

C $150
the oil pressure light sensor was burnt out, part replaced and working fine. 
98580 mi

C $850
Coolant was leaking from the resevoir and had little if any heat. Resevoir was replaced and new coolant added. 
5000 mi Rough idle, dealer fixed loose spark plug wire. 

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2007 Pontiac G6 4dr Sedan

169-horsepower 2.4L I4 4-speed automatic FWD

3000 mi Muffler made a popping noise, dealer replaced exhaust system after determining there was a manufacturer defect. (TSB was issued) 
66000 mi

US $130
Car does not always return to idle when stopping. 
68000 mi Catalytic converter plugged and was replaced under federal emissions warranty. 
87000 mi

US $700
Replaced catylatic converter 
84000 mi

US $51
camshaft poistion sensors intake and exhust replaced,, can was jerking when shifting from 1st to 2nd 
95900 mi

US $1150
Timing chain adjuster broke, timing chain assy replaced 
53000 mi Service Engine Light. Replaced vent solenoid and Camshaft actuator solenoid. 

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2007 Pontiac G6 2dr Hardtop conv.

227-horsepower 3.9L V6 4-speed shiftable automatic FWD

86500 mi

US $414
Replaced oil pressure sender Replaced valve cover gaskets and oil pan gasket to fix oil leaks 

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2007 Pontiac G6 2dr Hardtop conv.

217-horsepower 3.5L V6 4-speed shiftable automatic FWD

27000 mi Observed radiator leakage from under the overflow tank at other shop. Took car to dealer for warranty work. Dealer could not find any leakage. Tested the system twice when I reported a low reading and refill of the overflow tank. No leak found.  
27000 mi Cost not known yet. Check engine light on. Had it checked at parts store. The computer reads thermostat. Not sure if that is the case yet. Will have checked out soon. Garage kept and only drive on weekends. Beautiful car. 
27000 mi Check engine light came on. Checked code at auto parts store. They said code was thermostat. Took to dealer under warranty, they replaced thermostat under warranty. 
72000 mi

US $300
Oil leak. Diagnosed as oil pan needing replacement, no action taken. 

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2007 Pontiac G6 2dr Coupe

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

105000 mi Car went in for body repair from minor accident. When picking up car it sounded like a race car. Car needed bolts and gasket replaced. 
113000 mi

US $283
Check engine light P0174 lean bank 2 history code. Leak in exhaust manifold, replaced gasket. Engine light still comes on with the same code. Current problem unknown. 
113200 mi

US $62
Check engine light P0174 lean bank 2 history code still exists, can't find source causing code. 
118000 mi

US $25
IAC (Idle air control) valve need cleaning. Caused car to have difficulty accelerating, car shook, and rpms stayed at zero while driving. 
136000 mi

US $2800
New water pump Engine had knock, replaced timing belt and spark plugs 
142000 mi

US $650
Replaced oxygen sensor 

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2007 Pontiac G6 2dr Coupe

224-horsepower 3.5L V6 4-speed shiftable automatic FWD

28000 mi Catalytic converter broke, part ordered and replaced. 
60400 mi Thermostat had to be replaced. The problem was noticed when the temperature gage on the dash quit working. Water pump was leaking and had to be replaced. No charge by dealer, as it was covered by the powertrain warranty. Water pump was leaking and had to be replaced. No charge by delaer, as it was covered by the powertrain warranty.  
14000 mi Steering wheel knock and ignition problem. 
80000 mi

US $250
Oil filter adapter gasket leaking. 
94800 mi

US $400
Catalytic converter replaced. 
96000 mi Oil pan leak and maintenance on brakes, transmission, spark plug wires, spark plugs, etc. 
102900 mi

US $150
Bad water pump 

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See TrueDelta's information for all Sedans, Coupes, and Convertibles.
See TrueDelta's information for all Pontiac models.

2007 Pontiac G6 Engine Problems

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 2007 Pontiac G6 problems occur, check out our car reliability stats.