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2000 Chevy S-10 won't accelarate

Tiny
DEBBIE THOMPSON
  • MEMBER
  • 2000 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 135,000 MILES
Had a new fuel pump put on 2 weeks later was missing had a full tune up with fuel filter
still ran bad had a catalytic converter put on still no
power showing codes 131,151,172,175 ?

also took tail pipe off behind the catalytic converter still pops and backfires won't take fuel
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Tuesday, March 25th, 2008 AT 6:23 PM

1 Reply

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Sounds like a bad injector causing it to run real rich. To test all you have to do is install a fuel pressure gauge and watch pressure, if it goes up to 60 and then drops down then you know you have a leaking regulator or injector
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Tuesday, March 25th, 2008 AT 6:27 PM

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