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Old 04-13-2021, 03:09 PM   #3
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
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Re: TBI Info down on power

Quote:
Originally Posted by Low Elco View Post
I just bought my 87 GMC 350/350 TBI back after 5 years. Still in good shape, but on the 120 mile run home, I noticed it being down on power. Still seems to run ok, but it had a lot more snap when I had it. Pulling up the hill to the house, I had my foot way into it, and Buuuuuuhhhhhh, no power. I'm assuming weak fuel pump/bad injector. Any other thoughts? Thanks!

Like Matt said could be a plugged filter (fuel or air). I can't think what they had for filters. I guess it could be bad plugs or timing off too.

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