Question about 2003 Pontiac Sunfire
There is a motor on ur evap system find the line on ur motor it will have a tag on it saying evap follow it untill it comes to a sensor plug and make sure the valve is opening and closing when u key on and off
Posted on Jun 19, 2008
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Posted on Jan 02, 2017
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Nov 07, 2015 | 2000 Pontiac Grand Am SE
The MIL turns OFF after the engine is started if a diagnostic fault is not present.
The MIL remains illuminated after the engine is started if the control module detects a fault. A diagnostic trouble code (DTC) is stored any time the control module illuminates the MIL due to an emissions related fault. The MIL turns OFF after three consecutive ignition cycles in which a Test Passed has been reported for the diagnostic test that originally caused the MIL to illuminate.
The MIL flashes if the control module detects a misfire condition which could damage the catalytic converter.
When the MIL is illuminated and the engine stalls, the MIL will remain illuminated as long as the ignition is ON.
When the MIL is not illuminated and the engine stalls, the MIL will not illuminate until the ignition is cycled OFF and then ON.
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