2004 Pontiac Bonneville Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Pontiac Bonneville
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2004 Pontiac Bonneville ProblemsCheck Engine Light Due to Gas Cap Issue
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
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.
2004 Pontiac Bonneville QuestionsCar shaking badly at low speed, check engine light flashes at 25mph, and I smell something when it's running. I've changed #1 and #4 coil, new plugs. Ideas on doing it myself. (2 answers)
The speed can be adjusted but they won't shut off
When I turn the steerining wheel there's a loud squeaking noise. Then I'm told I need fluid but then we can't find where to put like with the brake fluid, oil, ect. Please help.