Here are Pontiac Grand Prix engine problems, by model year. The most common Grand Prix engine problems cost $1,100 to fix & occur at 106,000 miles. Click on a year below.

Worst Engine Problems
leaking coolant, cracked intake manifold gasket 1999 Pontiac Grand Prix
leaking coolant, cracked intake manifold gasket 2002 Pontiac Grand Prix
leaking coolant, cracked intake manifold 1998 Pontiac Grand Prix