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Blimking oil pressure light in 1989 S-10

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Old 05-29-2011, 08:42 PM
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Default Blimking oil pressure light in 1989 S-10

Man, my engine sounds great. It is a 4.3l (?) engine.

We store the car for the winter and really only drive it in the summer. The oil light is blinking on and off like crazy, but the engine sounds great. Oil level is fine.

Go figure?
 
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Old 05-30-2011, 12:16 AM
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1st thing i would do is go buy a mechanical oil gauge and check the pressure. These only need 6psi for every 1k rpm...Mine idles warm slightly under the middle of the gauge(around 20 psi). when moving it runs around 45.
 
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Old 05-30-2011, 12:41 AM
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possibly a faulty oil pressure sending unit.
 
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Old 05-30-2011, 10:36 AM
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Great info.

I'll be doing that pretty quick.

What is the best type of gauge to get?
 
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Old 05-30-2011, 01:55 PM
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Just go get one of them cheap sunpro gauges at autozone,buy a T and tap it in with the oil unit so you have both on and working.
 
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