1996 Chevy Silverado stumbling when hot only

Tiny
SPOOKMAN31@AOL.COM
  • MEMBER
  • 1996 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 18,500 MILES
My 96 chevy truck has a issuse when hot it stumbles when u accelarate, also hard start when cold. Replaced fuel pump and filter, ignition coil and module, replace map sensor, replaced cap, rotor, and plugs, replaced air filter, replced the spi unit under throttle body. Truck carries 60lbs of fuel pressure. Possible cat converter problem? Please if u can be helpful let me know. Thanks!
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Sunday, April 5th, 2009 AT 2:08 PM

3 Replies

Tiny
DOCFIXIT
  • EXPERT
Hi
Check engine light on? Could be two problems one stumble maybe MAF try cleaning. Cold start temp sender ECT near thermostat housing.
Let me know
Thanks for donate
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Sunday, April 5th, 2009 AT 2:30 PM
Tiny
SPOOKMAN31@AOL.COM
  • MEMBER
No codes present on truck. Was told by another mech possible cat converter plugged. Ck engine light has been taken out by some one else. Tech said their where no codes.
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Sunday, April 5th, 2009 AT 2:41 PM
Tiny
DOCFIXIT
  • EXPERT
Cloged CAT is not likely with your symptoms. What about MAF and temp sender?
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Wednesday, April 8th, 2009 AT 1:43 PM

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