#3 cylinder misfire

Tiny
RCW1814
  • MEMBER
  • 2003 CHEVROLET TRAILBLAZER
  • 131,000 MILES
Have a constant misfire in # 3 cylinder. Changed plugs, injector, coil pack in #3 was switched to #1, misfire did not follow the coil pack, still misfireing @3. Even changed MAP sensor. What is my next option?Please let me know, thank you
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Friday, May 24th, 2013 AT 7:10 AM

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Tiny
CARADIODOC
  • EXPERT
Compression test.
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Friday, May 24th, 2013 AT 4:43 PM

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