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1993 Chevy Lumina engine cutting out

Tiny
BCHHTA
  • MEMBER
  • 1993 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 155,000 MILES
I am having a problem with the vehicle cutting out. When the engine is cold, it will start fine. It drives about 1/4 mile and starts cutting out. It backfires and then eventually dies where it then becomes a nightmare to start up again until it cools off. I have changed the map sensor, plugs and wires, coil packs and ignition module, air intake sensor, and water temp sensor without luck. Any suggestions?
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Tuesday, September 1st, 2009 AT 8:04 PM

5 Replies

Tiny
BCHHTA
  • MEMBER
  • 4 POSTS
Forgot to mention that the fuel pressure was checked and was fine at 38 and also the EGR was changed too. PLUS, there are no codes/check engine light. HELP!
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Wednesday, September 2nd, 2009 AT 12:07 AM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Ok, I would check the catalytic convertor and the crank position sensor, It also sounds like your having some kind of restriction going on here, let me know your findings
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Wednesday, September 2nd, 2009 AT 6:49 AM
Tiny
BCHHTA
  • MEMBER
  • 4 POSTS
Is there a special way to check the cps? I have found it and it looks like a chore to get at. I have a meter and know how to use it!
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Wednesday, September 2nd, 2009 AT 7:04 AM
Tiny
BCHHTA
  • MEMBER
  • 4 POSTS
Replaced the CPS and checked the CC. Still no luck!
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Saturday, September 5th, 2009 AT 10:39 AM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
So if you fuel and spark is good, then there is air restriction, check cam sensor, compression, and knock sensor.
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Sunday, September 6th, 2009 AT 9:12 AM

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