2003 Pontiac Grand Prix GTP Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Pontiac Grand Prix GTP
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
2003 Pontiac Grand Prix GTP ProblemsInspect transmission/fluid every 30,000 miles
You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned then the transmission system should be completely flushed.
The serpentine belt tensioner pulley may wear out. Our technicians tell us that in order to get a new pulley from General Motors you must purchase a complete belt tensioner assembly.
The fuel pump may fail causing engine to stall and not restart.
2003 Pontiac Grand Prix GTP QuestionsWhen driving the low oil level come on. Then the car cuts off while driving. Will start back up. ?? ? (1 answer)
Also exhaust smells like gas