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1999 Chevy S-10 bad mileage

Tiny
JIM LEWIS
  • MEMBER
  • 1999 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 12,500 MILES
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
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Tuesday, January 19th, 2010 AT 7:25 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
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)
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Tuesday, January 19th, 2010 AT 7:33 PM

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