Question about 1995 Nissan Pathfinder

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1991 Chrysler Imperial won't start. No spark, no fuel pulse. Replaced crank angle sensor and ECM. Swapped known good DIS module and Auto shutdown relay, still no spark???????????????

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Tried replace round pick up plate under distributor rotor? What engine is it by the way?

Posted on Jun 03, 2009


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1988 pont 6000 quit and would't restart. Generates 42 code. I have shop manual. Flow chart led to ign. module or ecm. I replaced both. The car idled for 20 min. and quit.

I don't know liter size of engine? I don't know exactly what testing you have done? I need more info?
You have dis ignition? Engine cranking, do you have spark at the plugs, proper fuel pressure and fuel injector pulse?
The purple wire with white tracer from ignition module to computer has a dc pulse with engine cranking? With bypass ignition, engine cranking, it's the ignition module that controls spark, during cranking rpms. Did you check voltage and ground for ignition module. With dis ignition, there is a crank sensor? I'm not saying replace anything. I would have replaced the --spark plugs and plug wires, Possibly the ignition coils.
I just don't know exactly what testing you have done?
If you have already done everything I suggested, then, pardon my post. Just trying to help.

Aug 25, 2017 | Cars & Trucks

2 Answers

97 Oldsmobile 88 after driving once motor is shut off will not crank until cool, had the control module tested it came back good, replace fuel pressure switch and still will not crank until cool?

You will need to replace the crank angle/position sensor near the crank pulley. A photo of the sensor is attached. The sensors wear out due to heat and cold cycles and internal corrosion.

MasterPro Ignition - Crankshaft Position Sensor Oreilly's Auto Parts part number is:
Line: MPI ' Part # 2-96054

Feb 14, 2017 | 1997 Oldsmobile 88

1 Answer

91 buick skylark 2.5lt fuel injector wont pulse please help

do you have power and ground to the injector?do you have spark? a bad ignition module?

Oct 06, 2012 | 1991 Buick Skylark

1 Answer

What does acam or crankshaft sensor do

  • The crankshaft position sensor identifies position of the crankshaft to the ignition control module (ICM), engine control module (ECM) or powertrain control module (PCM)
  • When not replaced, vehicle could experience no- or hard start, long crank time, misfire, lack of power, excessive hydrocarbons in oil, spark plug fouling, catalytic converter failure, poor fuel economy, CEL/MIL illumination or intermittent shutdown.
  • The camshaft position sensor identifies position of the camshaft to the ignition control module (ICM), engine control module (ECM) or powertrain control module (PCM)
  • When not replaced, vehicle could experience no- or hard start, long crank time, misfire, lack of power, excessive hydrocarbons in oil, spark plug fouling, catalytic converter failure, poor fuel economy, CEL/MIL illumination or intermittent shutdown
  • Jul 24, 2012 | Cars & Trucks

    1 Answer

    No injector pulse

    what vehicle? injector pulse controlled by computer. the computer recieves a pulse from crank angle sensor, or distributor pick up, etc.
    then controls injector pulse. Mass air flow on some vehicles determines spray pattern

    Jun 29, 2012 | 1991 Chevrolet Cavalier

    1 Answer

    1989 camry turns over but won't crank also no spark at spark plugs

    What about the magnetic pick up. This is the crank angle sensor reporting to the ECM and creating spark. This is known as the G and NE sensor. Just for giggles with the distbutor on cap off crank the engine and see if the rotor change postion with the engine crank. if it does the timing belt is good if it doesnt you will need a timing belt.

    Feb 28, 2012 | Toyota Camry Cars & Trucks

    2 Answers

    Why isn't my truck getting any fuel?


    Jun 08, 2010 | 1997 GMC Sierra

    3 Answers

    No gas, no spark, 1991 chevy cavalier 2.2l 4cyl

    This is an all too common problem with the Cavalier and other GM J-body cars. Usually it is because of the crankshaft position sensor or the harness going between it and the DIS (aka ignition module). Without the DIS seeing a signal from the crank sensor, it doesn't know when to trigger fuel and spark.

    Sometimes this can also be caused by a faulty ignition switch. The switch will allow you to "crank" the car, but it doesn't make the proper connections for the ignition system, so the car never actually runs.

    The previously indicated oil pressure switch could also be causing the problem, but if you hear your fuel pump run then it's OK.

    Hopefully this helps. If not, your Cavalier is as messed up as mine and probably not worth fixing.

    Jun 04, 2010 | 1991 Chevrolet Cavalier

    1 Answer

    No spark on an 1991 olds ciera. changed the ecm,

    Hi, I had the same problem with no spark at my 1993 Cutlass. I changed DIS module, Crank Sensor and checked the coils and still no spark. the problem was at the cable between the Crank sensor and the DIS module that was in short circuit. the cable has two pins at crank Sensor and three at DIS Module. (I believe that the extra PIN is the ground because the cable is shielded). The original cable has no isolation. I bought the cable in a yunk yard and the spark appear again. Check it, because this cable is exposed to high temperatures and oil and for this reasson they lost the isolate.

    Oct 01, 2009 | 1991 Oldsmobile Cutlass Ciera

    3 Answers

    I have a 97 grand prix. It won't start. It seems that the fuel pump is working. Gas is getting to the regulator. However, I have no spark in the module. I replaced module and one coil because plug was...

    Sounds like a faulty crankshaft sensor and/or camshaft sensor. This is a diagnosis and repair job that you might want to leave up to a qualified technician unless you are very mechanically inclined and posess access to the proper tools for the job.

    Jul 24, 2009 | Pontiac Grand Prix Cars & Trucks

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