1999 Chevy S-10 bad mileage

1999 CHEVROLET S-10
12,500 MILES • 4 CYL • 2WD • AUTOMATIC
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JIM LEWIS
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about my s-10 i was asking about i got it in dec 09 the check engine light was on it was for the catalytic converter i put one on, before it was missing, i also put a new fuel filter,plugs,air filter and cleaned the throttle body and it is still getting bad mileage it has no distributor. it runs good. please help
Jan 19, 2010 at 7:25 PM
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MHPAUTOS
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Hi there,

With this sort of problem you must start from the beginning and check all tune items, don't presume that something is ok, check everything, do a comp test as well and do a re scan, it may be a very simple problem, like faulty leads or low coil voltage.

Mark (mhpautos)
Jan 19, 2010 at 7:33 PM