Engine Sensor?? I need help - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-06-2015, 08:17 PM   #1
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Default Engine Sensor?? I need help

I have a 1976 Pontiac sunbird and my car won't start because of this little sensor thing and the left side of the engine by the spark plugs is broken off. I need help to know what it is and where i can get a replacement.
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Old 07-06-2015, 10:27 PM   #2
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Is it by the cylinder 2 sparkplug visible in this photo?
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Old 07-06-2015, 10:33 PM   #3
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The only thing I can think of would be the oil pressure switch, which looks like it may fit the bill.

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Old 07-06-2015, 10:42 PM   #4
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Yes it is
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Old 07-06-2015, 10:51 PM   #5
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But would that make the engine not start because the terminal on the sensor thing leads to the ignition box.
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Old 07-06-2015, 11:45 PM   #6
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I am not familiar with those cars, but it'* not inconceivable for GM to design it so that the ignition kills if the oil pressure drops. It'* something I would appreciate.

The list of other things it could be on that car would be relatively short. If you pull the sensor out, crank the engine a bit, and have oil everywhere, than you could almost bet money on it. Given that you can likely get it at a local parts chain for $15 (they may need to special order it, or order it from Rockauto) it'* a relatively cheap part to throw at it.
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Old 07-12-2015, 09:09 PM   #7
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Engine Sensor?? I need help-20150705_113428.jpg
I need to know what this is, its on a 1976 Pontiac sunbird
4 cylinder.
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Old 07-12-2015, 10:52 PM   #8
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Only other thing I can think of would be a coolant temperature switch.
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Old 07-12-2015, 10:58 PM   #9
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It'* neither of them
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