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Tiny
BSHERWIN01
  • MEMBER
  • 1995 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 118,000 MILES
Hi I have a 1995 chevy blazer with a code of p0300. I replaced everything. The plugs wires cap and rotor, coil and ign control module, tps, egr valve, and idle air control valve, and is still misfiring like crazy.
Tuesday, November 16th, 2010 AT 11:39 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
P0300 Random Misfires are normally caused by vacuum leak and contaminated fuel
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Tuesday, November 16th, 2010 AT 11:43 PM
Tiny
BSHERWIN01
  • MEMBER
  • 2 POSTS
There is no vacume leak at all could it be my injectors
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Wednesday, November 17th, 2010 AT 12:08 AM

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