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1996 Chevy Lumina

Tiny
RICKYJR1954
  • MEMBER
  • 1996 CHEVROLET LUMINA
  • V8
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Car runs good cold and runs poor when it gets hot
Saturday, December 11th, 2010 AT 5:56 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Use a gage and check fuel pressure. Not only check for correct pressure, check that the pressure doesn't drop like a rock with everything off. Any applicable trouble codes? At the least you would need an obd2 code reader to check codes. How long since a tune-up?
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Saturday, December 11th, 2010 AT 6:56 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
To add, check the coolant temp sensor, also.
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Saturday, December 11th, 2010 AT 6:57 PM

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