1996 Other Oldsmobile Models won't keep running

1996 OLDSMOBILE
87,000 MILES • 4 CYL • 2WD • AUTOMATIC
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TRACTORDOCTOR
  • MEMBER
  • 1 POST
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,
Apr 7, 2008 at 5:54 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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://images.2carpros.com/forum/automotive_pictures/12900_oil_sending_unit_and_fuel_pump_circuit_44.gif

Apr 7, 2008 at 8:25 PM
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