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1st Gen (89-92) All Discussion of Maint Issues for 1st Gen (all models)

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Old May 25th, 2004, 04:09 PM   #1
85gts
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what happens if a crank position sensor goes bad?

just curious at what would happen. maybe help me diagnos future problems.
would the car even start? how would it run?
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Old May 25th, 2004, 04:51 PM   #2
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It will run, just miss a little at times, the miss could be real bad or only a little bit.
Try cleaning out your disty, by disassembling it, and cleaning the sensors with some cleaner like this from "Radio shack" http://www.radioshack.com/product.as...t%5Fid=64-4345
And clean the disty housings case with a little bit of Carb cleaner & Rag, let dry before assembling it back together.
Crank positon sensors can throw codes because of dirt on them.
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Old May 25th, 2004, 11:33 PM   #3
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thanks now i know what i have to do when or if this problem arises.

as a side note...i heard you sell poly mounts? how much?
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Old May 25th, 2004, 11:36 PM   #4
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i don't sell any motor mounts
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Old May 26th, 2004, 11:11 AM   #5
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Quote:
Originally Posted by FLAPOC-Pres
It will run, just miss a little at times, the miss could be real bad or only a little bit.
Try cleaning out your disty, by disassembling it, and cleaning the sensors with some cleaner like this from "Radio shack" http://www.radioshack.com/product.as...t%5Fid=64-4345
And clean the disty housings case with a little bit of Carb cleaner & Rag, let dry before assembling it back together.
Crank positon sensors can throw codes because of dirt on them.
would you recommend taking the CPS #2 out (two screws) to clean it. I cleaned them while still attached with electrical connectioncleaner and small brush but am still getting the code. running well, no missing. you also mentioned setting the timing to 9, which is the stock setting, but I have not tried this yet.
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Old May 26th, 2004, 11:22 AM   #6
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Yep thats what i meant by disassembling it , take everything out.
Yep the Timing should be set with a Timing gun at 9.
Usually if you cleaned them well, and you still get the code, try cleaning the connector pins in the distributor plug, that plugs into the wiring harness.
Still get the code after that replace the distributor. Sensor is no good.
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Old May 26th, 2004, 07:52 PM   #7
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Quote:
Originally Posted by FLAPOC-Pres
Crank positon sensors can throw codes because of dirt on them.
Isn't there a TSB on this?
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Old May 26th, 2004, 08:00 PM   #8
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Haven't seen one yet on the subject.
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