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1997 Chevy S-10 HARD STARTING

Tiny
LEBARON89
  • MEMBER
  • 1997 CHEVROLET S-10
Engine Performance problem
1997 Chevy S-10 6 cyl Front Wheel Drive Manual 182k miles

WHEN COLD, IT IS VERY SLOW TO FIRE. AFTER IT IS WARM, IT FIRES INSTANTLY. I HAVE HAD TO PUT STARTING FLUID IN THE THROTTLE ON SOME OCCASIONS TO GET GOING. FUEL FILTER OK. A LOCAL MECHANIC SAID A COUPLE OF YEARS AGO THAT THE FUEL PUMP MAY BE WEAK. IS IT POSSIBLE THAT THE FUEL PUMP IS FAILING, EVEN THOUGH IT STARTS AND RUNS
FINE WHEN WARMED UP?
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Friday, August 14th, 2009 AT 4:29 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you hear the fuel pump when key is at run position? If not:

Check the ECM B fuse and test the fuel pump relay-If okay- check the oil pressure sending unit and the fuel pressure.

What's happening here is when you turn key to run the fuel pump primes the system for 2 secs and when you attempt to start the oil pressure switch will close when oil pressure is above 4psi then from here it powers the fuel pump constantly.
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Friday, August 14th, 2009 AT 4:49 PM

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