2003 Pontiac Grand Am "reason emission light" Questions

...does service engine light flash One of many reasons, usually doing with the emission system. Most auto parts stores have a testing machine , that they will use for free, to decode the problem for

...light or any other lights. You have a possible system failure,and need to have it checked for a possible code,then diagnosed and repaired. If you have inspection in your state,it will fail Not to be ...

...reason (many folks leave them loose or loose them) some errors can occur with the powertrain emissions system. If the cap and seal looks generally good and you've gotten a check engine light ...

light). While driving, do you notice anything different: Running hotter or overheat, misfire, engine dies for no reason while idling, or driving? Filled-up fuel from new brand/station, etc. blah, blah

...emission control system. When this happens you will seldom feel the car engine run any different. There are about 200 possible faults that turn the Check Engine light on, to know what has developed a ...

...Emission Control System) code ignore it until a later time, after the car is running. The reason we repair non-related codes after the engine is running is because sometime false codes can be ...

...emission related diagnostic. Clear the MIL and the DTC with a scan tool. Diagnostic Aids Inspect for the following conditions: A vacuum restriction to the MAP sensor--A skewed MAP sensor reading can ...

...emission test? no info generic answer depending on vehicle p1773 has different meanings C2116 is an abs fault your test sheet will show reason for failure A I M is safety also look at sheet and or ...

... then they don't know what their taking about & should keep their opinions to themselves You failed for a reason What was that reason? What Emission Gas failed? That is what you have a shop work ...

...reason why it would fail? really need more info on your durango ? millage , engine , other causes for poor emissions are weak motors , poor gas , tuneup problems and worn emission parts like lazy O2 ...