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[RESOLVED] Help!! Crankshaft Position Sensor

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bjbaxter

15+ Year Contributor
115
0
Mar 19, 2006
parkesburg, Pennsylvania
wats up everyone!!!

ok here it goes, i have a 98 GST and the crankshaft position sensor is bad and causing the car to only turn over but not start. i had a computer hooked up to it and it read as being "crankshaft position sensor faulty". anyway im pretty sure the sensor is inside the timing belt cover between a couple of the pulleys in there. my question is,... how do i go about getting to the sensor w/o having to pull the whole motor and taking off every one of the pulleys??? like, can it be ont with just taking the one crank pulley off and then undoing the bottom portion of the timing belt cover??? PLEASE ANYONE THAT CAN HELP ME I WOULD MORE THAN GREATLY APPRECIATE IT!!! thanks guys!!!!! :dsm:
 
I did mine today, it appears I have to take the whole front timing cover off not the whole motor. The belts, water pump pulley, the crankshaft pulley and the timing belt to get to the sensor. I have to take the timing belt off, maybe you can do it without taking the timing belt off. If you have to remove the timing belt like I do, make sure the engine is at TDC and all the timing marks line up. I attached how my crankshaft sensor look like, as you can see it broke into two.

By the way I was having very tough time trying to remove the water pump pulley off after unbolt all the 4 bolts.
 

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There is one option to consider if you don't wish to tear the front end of your engine apart... replace both it and the cam sensor with a 93-94 1g CAS (black top). It's a Hall Effect sensor like the 2g units and you won't have to physically remove the crank sensor that's on the car to use it; it provides both signals from the passenger end of the intake cam (where your current cam sensor is) and is adjustable to boot (your stock unit isn't). You will need to redo the wiring like this and follow the instructions here to ensure correct firing order, but you'll not have to worry about that sensor that's inaccessible w/o tearing apart the front of the engine anymore. Remove it the next time you do a timing belt replacement just to get rid of the unused part; it won't save any weight but it's one less thing to accumulate grime. :D
 
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