Pontiac Bonneville Problem Report
Pontiac Bonneville Check Engine Light Due to Intake Manifold Vacuum Leaks
An intake manifold vacuum leak can develop from a variety of sources, often causing illumination of the Check Engine Light with codes P0171 & P0174 stored. Thorough diagnoses will be necessary to pinpoint the cause in order to make the correct repairs. A "smoke" machine is often used to isolate the cause of difficult to find vacuum leaks.
I have a 2002 Pontiac bonnevile SLE and My check engine light is on for a P1404 code. One of th...
The cam sensor interrupter (magnet) may become demagnetized and/or fall off of the camshaft gea...
runs very well,but when you shut it of,theres a strong smell of gas,dont see any leaks ?
The intake manifold gaskets can develop external engine oil or coolant leaks. The intake manifo...
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.