2000 Chevy S-10 won't accelarate

2000 CHEVROLET S-10
135,000 MILES • 6 CYL • 4WD • AUTOMATIC
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DEBBIE THOMPSON
  • MEMBER
  • 1 POST
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
Mar 25, 2008 at 6:23 PM
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MASTERTECHTIM
  • ✓ASE Certified Mechanic
  • 4,750 POSTS
  • ASE Certified Mechanic
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
Mar 25, 2008 at 6:27 PM
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