1997 Chevy S-10 no power when operating temp is reached

Tiny
PREMISEKEEPER
  • MEMBER
  • 1997 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 17,000 MILES
Won't give full excelleration, it drives well till it warms up, then it won't pull hills. Had codes checkd, indicated O2 sensors were bad, and low input from AFS. I replaced O2 sensors and put stock air flow sensor back on, put it didn't change it much. I changed the fuel pump and filters, before it startd this trouble. When it first startd acting up, I could shoot some carb cleaner through it, and it would be fine for a couple days, but now that does help anymore. It kinda acts like it's trying to flood out, and you can smell strong fuel vapors from exhaust. I've always performed my own repairs, but this one has me stumped. I was hoping you have some idea I haven't tried.

Mike
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Monday, May 17th, 2010 AT 4:34 PM

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Tiny
HMAC300
  • EXPERT
Your spider web that injects fuel to the clyinders may be cracked and not doing the correct thing. You might talk with a local pro and see if he has any input. Oh also check your fuel pressure, if worse comes to worst you can get a 3 day manual on the site her for around $10 look under the injectors for that for driveability problems. Also check your engine vacuum at idle and see if it is low, it may be you have a partially plugged converter.
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Thursday, May 27th, 2010 AT 3:15 PM

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