Question about 2002 Saturn L-Series

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I need to know where the crankshaft sensor on a 2002 Saturn SL is located

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The crank sensor is on the back of the engine above/behind the starter Two wires green connector
The sensor should be located to the front of the engine block to the right of the oil filter. It's only held in by one bolt and is a quick replacement. You'll need to be under the vehicle for this and it would help to jack the car up a bit to better move about. Remember to use jack stands as a fall may not kill you but will smoosh you pretty good. Usual cause is not running or jerkyness if running or from a cold start it will run for a few minutes then cut off. Crank it all you want it won't turn on. When it finally does it will only run for a bit. I suggest prior to installing a new sensor (electric parts cannot be returned) when the car dies pull a spark plug. Ground the housing to the car and crank the engine. If you have spark your CPS is fine so start looking at fuel pumps! If you don't have spark do the irish jig because your fix is simple! Hope this helps.

Posted on Sep 11, 2009

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Location of CRANKSHAFT position sensor, look between the engine and transmission on the back side of the transmission. It is also known as the "transmission input speed sensor". More often than not though, your engine will not fire up if the Crank position sensor is not working. Hope this helps.

Posted on Sep 11, 2009

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SOURCE: location of ECT sensor

when you open the hood take your right hand and follow the upper rad hose down to the eng. when it stops thats the themostat housing the ect sensor is screwed into that housing there are two sensor one will have one wire and the other will have two you want the two wire one. be carful remove the conector the like to break good luck kdc744

Posted on Jan 08, 2009

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Saturn sl 2002 crankshaft sensor where located on engine


crawl in between the engine and the firewall from underneath, it is by the starter.

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Only buy this from a dealer. It's the one piece I wouldn't buy anywhere else.

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Where is camshaft position sensor on 2001 Saturn


Hi there:
This vehicle doesnt have a camshaft position sensor, it uses the crankshaft position sensor .. image link HERE.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

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OBD will not pass on saturn.It tells me I need a camshaft position sencer.My garage doesnt want to mess with it.Where is this item located and is it an easy replaced piece?


The 4 cylinder engine in your 1996 Saturn SL doesn't use a cam sensor. I know, then how could there be a code for the cam sensor? Well, The electronic ignition (EI) module supplies a signal to the PCM whenever it determines that the #4 cylinder fired on its compression stroke.

You should start by checking to make sure your spark plug wire terminals on the ignition coils are not corroded. Using a multimeter, check the resistance and continuity of each ignition wire. If your car is misfiring, replace your spark plug wires and have the code cleared at your local AutoZone or Advance Auto, unless you have a code scanner.

If the code comes back, most likely you have a bad crankshaft position sensor throwing the code. While the engine is running there should be a +5 volts on the crank sensor everytime the magnetic pickup reads the crankshaft. Using a multimeter you can check the voltage to see if the sensor is functioning properly.
This site may help:
http://www.saturnfans.com/forums/showthread.php?t=69687

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97 SATURN IS STARTING BUT NOT CRANKING MECHANIC DID DIAGNOSTIC & SAYS I NEED A CRANKSHAFT SENSOR IS IT TRUE U CAN ONLY PURCHASE FROM DEALERSHIP


neicie neici, No, this is not true. You can purchase a crankshaft sensor from any auto parts store. Just provide for them the year, make, model and engine size of your vehicle and they can provide a sensor for you. If you ask, they may tell you where it is located on the engine making replacement easier for you. I don't know why the mechanic told you this. Good luck with this.

Jun 20, 2011 | 1997 Saturn SL

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What your telling us, doesn't indicate a problem

If you have air,fuel & spark,how were they tested ?

Mar 30, 2011 | 2002 Saturn Sl

1 Answer

Why won;t my 2002 l300 saturn start back up after driving


Sounds like a crankshaft position senso that is failing when hot. 

Aug 13, 2009 | 2002 Saturn Sl

1 Answer

Location of ECT sensor


when you open the hood take your right hand and follow the upper rad hose down to the eng. when it stops thats the themostat housing the ect sensor is screwed into that housing there are two sensor one will have one wire and the other will have two you want the two wire one. be carful remove the conector the like to break good luck kdc744

Jan 08, 2009 | 2002 Saturn Sl

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