I have 4.3 motor I just replaced the check engine light keeps giving me code 32 and 43.

Tiny
REDNECKS GARAGE
  • MEMBER
  • 1993 CHEVROLET CHEYENNE
  • 90,000 MILES
These codes come up after I have driven down the road about 5 miles. It goes off again after sitting a while. When you drive the truck after it shifes out of 1st gear going in to 2 and 3 gear it chockes out and try to die. But if I keep putting on the gas I can get going again at about 55 or 60 it runs smooth. I have changed the knock sensor and the fuel pump. Cleaned the egr. New plugs and plug wires. New distrubitor and rotor button. HELP
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Saturday, March 17th, 2012 AT 12:34 AM

3 Replies

Tiny
2CEXPT
  • MEMBER
Check the EGR valve and the knock sensor again -disconnect the battery for a few mins-and if the codes will come back
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Saturday, March 17th, 2012 AT 12:47 AM
Tiny
REDNECKS GARAGE
  • MEMBER
Have already done that seveal times. The code always comes back
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Saturday, March 17th, 2012 AT 1:04 AM
Tiny
2CEXPT
  • MEMBER
Inspect and test the wiring back to the computer for short and open circuit none found have the computer checked-
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Saturday, March 17th, 2012 AT 5:20 AM

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