1999 Pontiac Grand Prix GTP Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Pontiac Grand Prix GTP

1999 Pontiac Grand Prix GTP Problems

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.

The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue. RepairPal cannot confirm a recall for this concern on these models.

The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.

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1999 Pontiac Grand Prix GTP Questions

so i bought my car used and when i turned on the ac it didnt work till i put it on level 3 and now it wont work till i put it on max. whats the reason for this?

We think we are having tranny issues, and noticed that the HUD scrambles up and down when it is shifting into overdrive.

It smelled like wire burning and I was wondering what could cause it. It comes on but that is about it. I took it to Autozone but they weren't able to run the codes

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1999 Pontiac Grand Prix GTP Reviews

Greaat Car Never Experienced Power Like This Before..Will Be Even Powerful After Repairs

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