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1996 Chevy Lumina Lack of power

Tiny
CONNIE COUCH2
  • MEMBER
  • 1996 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 11,600 MILES
1996 chevy Lumina, changed plugs/wires and coil packs and molulators, and wiring harness, pcv valve, cadalic coverter. Idles great but has no power in acceleration or when driving. Will not exceed 35 mph. Any suggestions?
Saturday, April 5th, 2008 AT 8:16 PM

2 Replies

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Whats the fuel pressure? How does it run if you leave the exhaust disconnected?
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Saturday, April 5th, 2008 AT 8:17 PM
Tiny
CONNIE COUCH2
  • MEMBER
  • 2 POSTS
Tim, the fuel presure in idle is 40 psi, 45 when mash gas petal. Don't know about taking off the exhaust system. I have had this thing at Merchants tire aka Tire King. They cannot find the problem. Drives awful cannot pull out in traffic or accelartate from stop light. In iddle and while cold runs like a champ. NO codes in computer. No sounds from engine, just has no power.
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Sunday, April 6th, 2008 AT 1:36 PM

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