Question about 1992 Volvo 240
Returning from a Florida trip - stopped for gas started engine
the check engine light came on and now the car runs rich
black smoke can be seen - terrible gas mileage
It could be a number of things but must be diagnosed via computer code check. If you are unable to do so yourself, find a reputable Volvo mechanic. It could be the air mass meter, a bad O2 sensor or something related. Mine turned out not to be the air meter but a bad ground wire going to it. Didn't find out until $400.00 later.
Posted on Jan 25, 2009
Try replacing the pressure regulator.
Posted on Oct 09, 2009
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