NEED HELP SETTING TIMING

  • Tiny
  • Anonymous
  • 1998 GMC Yukon
  • 189,000 miles

I replaced intake manifold gaskets because it leaked antifreeze. Put it all back together and forgot to plug in to distributor. Started it up, truck ran horrible. Found that I forgot to plug into distributor and plugged it in. Restarted, and still ran bad. I have a car medic diagnostic, plugged it in and got 7 codes. Unplugged it, plugged it in again and I got 10 codes. Is there any way to test the computer to see if there is something wrong with that? Or what should I do?
Thanks
Scott M

Friday, March 1st, 2013 AT 1:35 AM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

We need the codes to help you

Roy

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Friday, March 1st, 2013 AT 1:44 AM

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