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1998 Chevy S-10 I still have a problem.

Tiny
MKELLEHER712
  • MEMBER
  • 1998 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
Ok, so the problem is still there for the Chevy. I'm in big trouble because I need a new sticker and I'm going fail because my check engine lights on and when I checked the problem it said, MAF sensor (although I just replaced it), EGR valve (not sure what that is), and Miss Fire. I NEED SOME HELP! If anyone has some advise I would really really appreciate it. Thanks everyone!
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Sunday, November 1st, 2009 AT 11:16 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
The EGR is an exhaust gas recirculation valve that is mounted on the intake manifold. There is a valve in it that many times gets carbon build up causing it not to work. Check that. Also note, the EGR could as well as the MAF sensor could be causing the random misfire. Remove the EGR, clean it and the intake where it attaches if there is carbon build up.

After that, have the computer reset. Wait to see if the light comes back on. If it does, have it rescanned to see if the codes have changed.

Let me know what you find.
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Thursday, November 12th, 2009 AT 10:15 AM

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