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1988 Chevy Blazer issues with my Blazer

Tiny
MATT58VT
  • MEMBER
  • 1988 CHEVROLET BLAZER
Engine Performance problem
1988 Chevy Blazer Four Wheel Drive Automatic

I have a 1988 Blazer and iam having some issues. When I press down the gas it accelerates hardly at all, if I press harder it gives a jolt of acceleration then back to a VERY light acceleration. When I get to higher speeds it isnt nearly as noticable but at 40mph and less its very bad. I suspect a fuel injection issues but cant be sure. Any help?
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Wednesday, March 3rd, 2010 AT 11:20 AM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, how long since a tune-up? I have to ask? If you suspect a fuel issue, use a gage and check fuel pressure. With TBI around 10 psi. Around here some of the national brand autostores used to loan out a fuel pressure gage, if you don't have one. Any trouble codes?
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Wednesday, March 3rd, 2010 AT 11:29 AM
Tiny
MATT58VT
  • MEMBER
  • 1 POST
Well, iam kinda new to this, I had a 66' mustang before this and it was ALOT easier to work on, lol. I havent had it tuned up in a while though.
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Wednesday, March 3rd, 2010 AT 11:33 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
A tune-up is a maintenance issue, won't hurt anything. May or may not help your issue?
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Wednesday, March 3rd, 2010 AT 11:52 AM

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