Question about 1997 Nissan Pickup

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Number one cylinder misfiring.

Compresssion checked ok. fuel injectors checked ok. new plugs (ngk) wires, cap and button. Truck was running fine. Started misfiring, started up a few hours later and ran fine for about 100 miles then started misfiring again.

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  • Nissan Master
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DIRTY STOPPED UP FUEL INJECTOR OR FAULTY FUEL INJECTOR.

Posted on Jul 10, 2010

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  • Nissan Master
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Check and replace your timing belt, although it is probably not the culprit, I have seen a tooth missing from a worn timing belt cause misfiring.

It is probably the Crankshaft Position Sensor, or the Camshaft Position Sensor causing the misfire.

Posted on Jul 10, 2010

  • newt1959 Jul 10, 2010

    Thanks for your advice. Is the camshaft position sensor located in the distributor? Where is the crankshaft postion sensor located and is it very difficult to replace?
    Thanks

  • Jeremy Moore
    Jeremy Moore Jul 10, 2010

    The Camshaft position sensor is located in the distributor. The crankshaft position sensor is somewhere else on the engine. If you can get a hold of a Haynes manual for your pickup, it will show you the location, as well as the proper test and values for this sensor. Good luck!

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