car wont start

CHEVROLET S-10
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CARPDADDY86
  • MEMBER
  • 1 POST
i have an 89 gmc s15 and it cranks over but will not start. if i spray some starting fluid into the throttle body it will start and i can keep it running by hitting the peddle, but it sputters and cuts out when driving.i replaced the fuel filter and spark plugs,i would like to know some info so i dont have to buy all kinds of parts to see if they will fix it. my guess is a fuel pump
May 28, 2007 at 9:40 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
[quote:b7ca274873="carpdaddy86"]i have an 89 gmc s15 and it cranks over but will not start. if i spray some starting fluid into the throttle body it will start and i can keep it running by hitting the peddle, but it sputters and cuts out when driving.i replaced the fuel filter and spark plugs,i would like to know some info so i dont have to buy all kinds of parts to see if they will fix it. my guess is a fuel pump[/quote:b7ca274873]

Check the fuel pressure to nail the fuel pump. Pump don't come On for 2secs while key is in run position-look for power at pump connector while engine is being crank.No power there check the fuel pump relay.No power to relay check the PCM>
May 29, 2007 at 8:35 PM
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