1997 Chevy Blazer Engine turning over but not cranking.

Tiny
TIGERCHEVY
  • MEMBER
  • 1997 CHEVROLET BLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 188,000 MILES
I drove my Blazer to store other day just fine when I came out wouldn't start just turned over and over. I towed it home and have replaced battery alternator spark plugs spark plug wires and distributor cap I still have same problem turns over but will not start. I took the air filter cover off sprayed starting fluid into it replaced cover and it started and ran just fine turned it off and on a few times would start up great but after letting it set turned off a few mins. Went to crank it turned over but would not start till I sprayed more starting fluid into it. So is there any suggestions on what it may be I have tried the swapping fuel pump relay with the relay that is the same to it but do not know which relay is which?
Wednesday, February 3rd, 2010 AT 7:12 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The fuel pump relay is located behind glove box-When you turn key to run do you hear the fuel pump come on for 2secs-if not check fuel pump fuse/relay and the computer controlled circuit fo the relay relay


http://www.2carpros.com/forum/automotive_pictures/12900_fp_relay_17.jpg

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Thursday, February 4th, 2010 AT 4:40 AM
Tiny
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Thank you rasmataz I have searched many places and never could get a clear answer once our bad weather clears out here I will try that. And once again thank you for the help.
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Thursday, February 4th, 2010 AT 2:09 PM
Tiny
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  • MEMBER
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I went out today to see if I could hear the fuel pump come on as you had said and yes I heard for few sec. The buzz like sound of it coming on when I turned key to run then after a few secs. It clicked and went off I checked all my fuses in the side panel and all are good.
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Friday, February 5th, 2010 AT 2:29 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Your next step is to check the fuel pressure with a gauge to verify ii if its within specifications
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Friday, February 5th, 2010 AT 2:33 PM

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