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1996 Other Oldsmobile Models won't keep running

Tiny
TRACTORDOCTOR
  • MEMBER
  • 1996 OLDSMOBILE
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 87,000 MILES
96 Achieva, 2.4 twin cam, will start and run 2 seconds then die, must wait a few minutes to get it to start the 2 seconds, will continue to run if I feed it starting fluid, has fuel pump has 48psi on the inline fuel guage, O2 sensor is only code, customer changed ignition module, again ran for a few minutes then back to same 2 second run.
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Tuesday, April 8th, 2008 AT 12:54 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test the oil pressure sending unit its job is to power up the fuel pump when the fuel pump relay de-energizes. The fuel pump relay is only good for 2secs or the computer sees an ignition signal and constantly powers the relay till it fires up. See below


https://www.2carpros.com/forum/automotive_pictures/12900_oil_sending_unit_and_fuel_pump_circuit_44.gif

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Tuesday, April 8th, 2008 AT 3:25 AM

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