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2000 Chevy Blazer missing

Tiny
MADWARRIOR
  • MEMBER
  • 2000 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
I have a miss at low rpm, seems to be at @2,000 rpms. I have had a new fuel pump, new fuel filter and had the fuel injectin system cleaned. It does seem to idle a bit rougher also. Could it be the TPS?
Saturday, March 20th, 2010 AT 12:21 PM

2 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Check for codes
and also pending codes
Check for vacuum leaks
Very uncommon for TPS to cause a misfire
Check it for tune up
Check coil and check distributor cap
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Saturday, March 20th, 2010 AT 4:49 PM
Tiny
MADWARRIOR
  • MEMBER
  • 2 POSTS
I think I should add, the miss is random, and seems to almost go away after thorough warm up.I am replacing cap, rotor, plugs and wires today. The fact it almost always goes away after warm up has me baffled?

Also no codes.
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Saturday, March 27th, 2010 AT 10:02 AM

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