RANDOM MISFIRE CODE WON'T GO AWAY SINCE WEEKS AFTER PURCHASING MY VEHICLE WHICH WAS THEN UNDER WARRANTY. THE DEALERSHIP REPLACED THE CAR COMPUTER & IGNITION COIL MODULE, SPARK PLUGS AND THE CODE TEMPORARILY WENT AWAY GOOD ENOUGH TO PASS EMISSIONS. THEY ALSO PERFORMED THE KEY RECALL THE CODE KEEPS COMING & NO MECHANIC OR DEALERSHIP CAN TELL ME WHY BUT THEY KEEP TAKING MY MONEY FOR A TEMPORARY FIX.T…
2007 Pontiac Grand Prix engine problems
severe 13 complaints filed with NHTSA · avg repair $3,100
Complaints
13
Recalls
0
Crashes
1
Avg fix
$3,100
What owners are reporting 2 most recent
TL* THE CONTACT OWNS A 2007 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING AT 30 MPH, THE VEHICLE STALLED. THE VEHICLE WAS TAKEN TO A DEALER TO BE REPAIRED BUT THE FAILURE WAS UNABLE TO BE DETERMINED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 100,000.
Common questions
How serious is the engine problem on the 2007 Pontiac Grand Prix?
It's a meaningful issue. 13 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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