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1996 Chevy Monte Carlo Engine trouble

Tiny
JIMSKI
  • MEMBER
  • 1996 CHEVROLET MONTE CARLO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
After 20 miles or so my engine stumbles bad, then dies and won't restart for hours. The check engine light comes on and displays the code 300 for multiple miss fires. I replaced the wires/ plugs/Ign. Module/ and the crank shaft sensor. No change. What else is in this system to give me this code?
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Wednesday, January 9th, 2008 AT 5:52 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
P0300 Random Misfire-could be a vacuum leak, bad fuel, low fuel pressure and an open EGR
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Wednesday, January 9th, 2008 AT 6:00 PM
Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
You going to have to do the testing when it doesn't start. Need to narrow down if it is lack of fuel or spark (most likely) or both. A spark tester and fuel pressure gauge may help to confirm.
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Wednesday, January 9th, 2008 AT 7:22 PM

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