1991 Pontiac Firebird Logo
Zack Lopez Posted on Jul 18, 2014

Can anyone show me where crankshaft position sensor location on 1991 pontiac firebird 3.1L and show picture or video link of the location

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Hydro LS

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  • Posted on Jul 18, 2014
Hydro LS
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Zach, guess what? It doesn't have one. I went around and around with this very same issue with a local car parts supplier. Yes one shows up on the list of parts for this year and engine... it is all done through the pick-up coil and ignition module in the distributor. Tell me more about your problem. I have tons of experience on this make, year and model.

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  • Zack Lopez Jul 18, 2014

    The problem is that I can't get it to start and I Check everything except crankshaft

  • Hydro LS Jul 19, 2014

    Well, as you may know, it takes 3 major things to turn an engine over and allows it to run. Air, fuel & spark. I had a problem with spark on mine. Make sure the coil mounting brackets are allowing coil to ground to the engine. Once these brackets become loose dirty or broken, the coil could loose ground. I ran a separate ground wire from my coil to the firewall grounding lug. Also check that you are getting a spark at plugs. You-tube has several video's on how to check these things. Scotty Kilmer is my favorite. Once you know if these 3 items are ok, I can suggest other items I have experianced. Also check codes that may be stored in ecm. This could direct you to the cause.

  • Hydro LS Jul 19, 2014

    Oop's a typo... experienced.

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3 Related Answers

Anonymous

  • 253 Answers
  • Posted on Apr 30, 2009

SOURCE: Crankshaft Position Sensor

The crank sensor is on the front of your engine behind the harmonic balancer. You will need a balancer puller for a 3.8 and a crank sensor alignment tool to do this lob.

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Anonymous

  • 41 Answers
  • Posted on Oct 06, 2009

SOURCE: my 2001 pontiac firebird check engine light is on

The crankshaft sonsor is located between the timing cover and the harmoinc balancer on the passenger side of the engine.

clifford224

Clifford Beard

  • 1975 Answers
  • Posted on Nov 24, 2011

SOURCE: where is the crankshaft position sensor

Hope this helps......

11_24_2011_2_33_47_pm.jpg

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Crankshaft Position Sensor

The crank sensor is on the front of your engine behind the harmonic balancer. You will need a balancer puller for a 3.8 and a crank sensor alignment tool to do this lob.
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