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07-29-2004 09:37 AM #1
Service engine soon light on wife's MCS....
This light came on intermittently after I installed a boost gauge for her car. Could a small vacuum leak cause this? The boost gauge appears to function ok, but the light seems to be more than just a coincedence. Any suggestions on how to determine cause of the "service engine light" w/o taking the car to the dealer?
'03 MCS (Wench's)
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