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2007 BMW 3-Series 328i 4dr Sedan RWD

2007 BMW 3-Series
Trim Info:
Rear Wheel Drive, 4 Door Sedan, Compact
20 mpg city / 29 mpg hwy
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March 9, 2013, 4:44 pm

Ron M
 

Question: gas cap was lost at a station after filling. "

have already replaced with new gas cap, but the "Service engine soon" light is on. How can I verify that the light is on because of the temporary loss of gas cap, and how can I reset if it if that was the only problem?


March 9, 2013, 11:03 pm

Richard W
Expert Mechanic

You need a scan tool or code reader. That is the only way to check the codes. You can disconnect the battery for 24 hours and the codes will no long be there.


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