It runs rich onboth banks 4

Tiny
SAL OZGON
  • 2002 CHEVROLET S-10
  • 107,000 MILES

It runs rich onboth banks 4.3Litre. It has a service engine light on and sometimes it misfiers.

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Friday, December 28th, 2012 AT 7:24 PM

4 Replies

Tiny
DOCFIXIT
  • EXPERT
  • 18,988 POSTS

Have codes read then post will advise

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Friday, December 28th, 2012 AT 7:45 PM
Tiny
SAL OZGON
  • MEMBER

Po172 and po175 and po300

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Friday, December 28th, 2012 AT 8:31 PM
Tiny
DOCFIXIT
  • EXPERT
  • 18,988 POSTS

P0300 needs to be solved first Random Missfire try this clean MAF check for any cracked or disconnected vacumn hoses. Recent repairs?

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Friday, December 28th, 2012 AT 8:57 PM
Tiny
SAL OZGON
  • MEMBER

I did all that plus tune it up.

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Friday, December 28th, 2012 AT 9:40 PM

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