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1990 Oldsmobile Delta 88 Runs for an hour and just shuts do

Tiny
CANNON D
  • MEMBER
  • 1990 OLDSMOBILE DELTA 88
1990 Oldsmobile Delta 88 158632 miles

I have a 90 delta 88, I've changed the fuel pump, coil, spark plugs and wires, chaned the 02 sensor, changed oil. And when I drive it shut down, with no warning, if I sit a minute, it starts back up, but sometimes die again, or it turns over but wont start. What could b my problem? Please help me.
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Wednesday, October 13th, 2010 AT 7:26 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
When the problem occurs, have a helper crank it, while you visually check for spark at the plugs. If you have spark everywhere, use a gage and check fuel pressure. Any applicable mil codes?

I always check for an rpm signal, without that signal, the injectors won't pulse.
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Wednesday, October 13th, 2010 AT 8:17 AM

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