How to clean crankshaft position sensor? - PbNation
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Old 08-23-2007, 07:43 PM #1
Shhwing4 (Banned)
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How to clean crankshaft position sensor?

So my car has had some trouble starting lately and I read up about it online and asked my auto-tech teacher what the problem could be. Both said to try and clean the crankshaft position sensor.
How should i do that? With a toothbrush and some cleaner of some sort?
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Old 08-23-2007, 07:45 PM #2
No. Just... No.
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Use seafoam, I stand by that stuff, it works wonders.
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Old 08-23-2007, 07:45 PM #3
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I'm pretty sure its a sensor with a magnet in it not sure how you can clean it, maybe he said the Throttle position sensor..
Theres a little pintle that goes in and out, it gets gummed up
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Old 08-23-2007, 08:28 PM #4
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It should be on the side of the harmonic damper, just spray it with some carb cleaner or a quick evaporating solvent.
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Old 08-24-2007, 07:31 AM #5
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It will be much more beneficial to just replace the sensor.
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Old 08-24-2007, 08:06 AM #6
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Just replace it. Let me guess, you drive a Jeep.
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Old 08-24-2007, 10:51 AM #7
Wait, what?
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That's a crank trigger, and yes, it is magnetic. I don't know how that would relate to it starting worse. A bad/malfunctioning crank trigger will give you timing wander. Unless it's advancing the timing, I can't see how it'd be your problem... Cleaning it probably won't help alot, but if you think that's the problem, it's worth a shot. A $2 can of carburetor cleaner is definitely cheaper than a new one.
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