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Quick reply request: Oil Pressure Sensor?

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Old Mar 14, 2017 | 10:36 AM
  #1  
Ja85z28's Avatar
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From: Mercedes, Texas
Engine: 305
Transmission: T5
Axle/Gears: 4:10
Quick reply request: Oil Pressure Sensor?

Is this the only oil pressure sending unit on a 1985 Z28 LG4 ENGINE? It was located under the distributor and I am not seeing a second sensor near the oil filter. Please reply.

Thanks
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Old Mar 14, 2017 | 10:41 AM
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From: Huntsville AL
Car: 88GTA
Engine: 5.7TPI
Transmission: Auto
Axle/Gears: 3.27
Re: Quick reply request: Oil Pressure Sensor?

Yep, single wire BRN/WHT
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Old Mar 14, 2017 | 10:55 AM
  #3  
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From: Mercedes, Texas
Engine: 305
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Re: Quick reply request: Oil Pressure Sensor?

Thanks Bro
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Old Mar 14, 2017 | 11:51 AM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Re: Quick reply request: Oil Pressure Sensor?

Looks like yours is a basket case...

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Old Mar 14, 2017 | 02:14 PM
  #5  
Ja85z28's Avatar
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From: Mercedes, Texas
Engine: 305
Transmission: T5
Axle/Gears: 4:10
Re: Quick reply request: Oil Pressure Sensor?

Patio furniture, but I am digging basket. It turned out to be the sending unit and not a spun bearing!!! Thank you Lord! I went ahead and install a tee and 1" oil pressure guage as cowitness to the dash guage.
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Old Mar 14, 2017 | 05:18 PM
  #6  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Re: Quick reply request: Oil Pressure Sensor?

Yes, the oil pressure sender is a common failure point. Adding a mechanical backup gauge is a good move.
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Old Mar 14, 2017 | 05:23 PM
  #7  
Ja85z28's Avatar
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From: Mercedes, Texas
Engine: 305
Transmission: T5
Axle/Gears: 4:10
Re: Quick reply request: Oil Pressure Sensor?

I was smiling like crazy when I seen that oil pressure at 40 psi!!!!
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