1991 Pontiac Grand Prix engine and engine cooling problems

19 owner complaints filed with NHTSA name the engine and engine cooling on the 1991 Pontiac Grand Prix — 11% of all complaints for this model year.

Engine and Engine Cooling complaints

11%

share of all complaints

—

median reported incident mileage

2 / 2

crash / fire reports

What owners report

“Tl*the contact owns a 1991 pontiac grand prix ste. The contact stated that the vehicle fails to start unless the steering wheel is turned in a certain position. She also stated that the brake lights will not work unless the headlights are activated. As a result, fuses have blown and the vehicle…”
filed Jun 6, 2007
“Car does not run.... Cracked radiator bad head gasket. Possible warped head. Head gasket leaks. Something draining battery.”
filed Apr 22, 2004

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
130089009 · Service Bulletin/Repair Instructions · issued Sep 1, 2013
Some v6 engines may, on a very infrequent basis, have an oil odor condition that is generally encountered after the engine's oil has been changed.typically the odor lasts approximately 1000 miles after the change of oil…
876002A · Service Bulletin/Repair Instructions · issued Jul 1, 1998
Excessive oil consumption (replace pcv harness). *tw
676001 · Service Bulletin/Repair Instructions · issued Feb 1, 1997