L27 help me - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-29-2007, 09:45 PM   #1
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Default L27 help me

HELP it is making me pull my hair out

I am on yahoo if you can either PM me or add me gojo8378 on yahoo

I have 2 sensors that I can't find their homes the one plug is a 2 wire sensor that is back by the sensor that goes into the oil filter assembly and then one on top that is white 2 wire sensor on the top by where the vaccum lines are.
the vechile is a 93 regal if that helps

It is also chugging and will only run at idle not hardly when in gear
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Old 10-31-2007, 04:41 PM   #2
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So that I understand you correctly, and to bring this to the attention of an L27 gearhead or two...

You are saying that you have two different sensor connectors that are currently unplugged and you can't find the sensors to plug them into, correct?
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Old 10-31-2007, 06:42 PM   #3
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ok with the help of Duffer and Jr i got 2 of the 3 plug in the only one I can't figure now is the on that is a 2 wire sensor and is on the same branch of the harness that the oil fillter sensor goes on. It has a blue cushion or whatever and the PS pump does not have a sensor.
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Old 10-31-2007, 06:48 PM   #4
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What is the harness from? What is the engine from?
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Old 10-31-2007, 07:20 PM   #5
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What color are the wires?
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Old 10-31-2007, 07:47 PM   #6
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if the wires are purp and yellow, its the speed sensor.

any pics?
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Old 10-31-2007, 08:12 PM   #7
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well the wires are from the regal the motor is stan'* out of his 93 bonne and it is a yellow and brown wire best i could tell. now the next question is how do I get to the speed sensor
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Old 10-31-2007, 08:16 PM   #8
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It'* more or less on top of the differential.
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Old 10-31-2007, 08:43 PM   #9
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Yup. Follow the passenger side axle up to the output housing of the transmission. The VSS is on top of that housing (it actually counts the teeth per second off the differential). That would be the nearest sensor to the Oil Pressure Sender.

Look a little lower and farther forward.
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Old 10-31-2007, 08:54 PM   #10
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Edit:

That won't cause crapping running, only missed shifts and no speedo.
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