usually it is a bad rear o2 sensor. only way to find out is to have someone(like autozone or advanced) rear the code.
How to reset service light on a 2004 grand am
The check engine light has nothing to do with an oil change. The check engine light is reset with a scan tool after repairing the failure that caused it.
There are pages and pages and items that can cause a check engine light. You need to have it checked for codes with a scan tool.
A 2004 Pontiac Montana has an interference engine with very tight tolerances. These engines will suffer catastrophic failure if the valves and pistons are not in perfect sync.
how do you reset the tire pressure warning light on a 2004 pontiac grand prix
The ABS light on a 2004 Pontiac Grand Am can be reset by connecting an OBDII code reader to the vehicle's computer. It can reset all codes and determine their cause.
There are pages and pages of causes. Have it checked for codes with a scan tool.
Disconnect the battery from the car for about 10 minutes; If that doesn't work take it to the shop and have the codes read and reset.
Could be a bad head gasket.
I have a 2004 Acura rsx type s check engine light is on has code po172 how do I fix it n what r the possible causes
pictures of how to change front signal bulbs on a 2004 grand prix pontiac
The check engine light is on when the engine computer has detected a malfunction and set a code. There are pages of possible causes. You need to have the system checked with a scan tool or code reader to have a starting point.