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Got a code 02 sensor and spark plug #1 misfire made repair check engine light di
1999 Cadillac DeVille

Got a code 02 sensor and spark plug #1 misfire made repair check engine light di

(1999 Cadillac DeVille)
Check engine light did not go offjj
1 answer & 0 comments
Popular Answer
on August 25, 2014
That is what is supposed to happen. When you make the repairs, you then have to drive the vehicle 80 to 100 miles. The computer systems have to go through their little dance to make sure all is clear. After driving the miles--now--don't just go out and drive 100 miles. Just your daily routine will finally do it and the check engine light will go off. If not, put on your safety glasses and gloves, remove the negative AND positive battery cable. Leave off for about 20 minutes, then re-install cables--AFTER-the car has been driven 80 to 100 miles. good Luck!
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Check Engine Light Diagnosis
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on August 25, 2014
That is what is supposed to happen. When you make the repairs, you then have to drive the vehicle 80 to 100 miles. The computer systems have to go through their little dance to make sure all is clear. After driving the miles--now--don't just go out and drive 100 miles. Just your daily routine will finally do it and the check engine light will go off. If not, put on your safety glasses and gloves, remove the negative AND positive battery cable. Leave off for about 20 minutes, then re-install cables--AFTER-the car has been driven 80 to 100 miles. good Luck!
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