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Emission relay switch for 2000 Buick Century / Location of the relay switch. Light comes on and stays on even after resetting was told the relay switch located in under hood fuse panel may be needed,
The check engine light comes right back on after being reset, was told to check relay under hood in fuse box panel , Where is this and what should i be looking for ? Vehicle will not pass inspection with this light on and it appears to be electrical in nature
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It may be a bad electrical connection at the motor, the fuse or the relay. It is easiest to start with the fuse. A relay can be weak or worn out and they also easy to replace.
have they checked the PCM/ECM fuses? some might be bad or the computer itself. does the car run poorly, bad fuel economy? you could go the the emission check place to have it checked. for alot less money it will tell you if it is computer related before spending more for a mechanic to analyse it .$15 in WA State.
Must have engine computer scanned to get codes and determine cause of check engine light. Low tire light probably needs reset. Open passenger door and remove panel on side of dash. Reset switch should be located in that compartment.
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