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1990 Geo Prizm

Tiny
CLETO
  • MEMBER
  • 1990 GEO PRIZM
Engine Performance problem
1990 Geo Prizm 6 cyl Front Wheel Drive Automatic

the light on my 1990 geo prizim is still showing up after the oil pump is already replaced.I need to know what other problem could be?
Sunday, January 4th, 2009 AT 5:50 PM

2 Replies

Tiny
CLETO
  • MEMBER
  • 2 POSTS
If somebody knows please tell me. Thanks!

I NEED TO USE MY CAR
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Sunday, January 4th, 2009 AT 5:54 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Have oil pressure checked with a mechanical gauge, if OK then a problem with the oil pressure sender.
You remove the oil pressure sender, screw in test adapter connected to mechanical gauge, start engine and get oil pressure reading.

If the mechanical test shows low pressure, then a more serious problem with bearings or clogged galley.
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Tuesday, January 20th, 2009 AT 7:35 AM

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