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
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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