Question about 1997 Ford Explorer AWD

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Will turn over but not crank up

We have tried everything, spark plugs, fuel pump, inertia switch, and starter. I don't know what else to do. It cranked up fine and ran beautifully last night. we put it up on a jack to check a tire out and now this am when we went to crank it up it will not run. Any ideas? I really need help!!!!

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Mine does this ever so often try tapping the cranksensor with long screwdriver

Posted on May 26, 2009

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You need to tackle this logically. First of all the car has to have fuel and spark to ignite the fuel. You need to establish whether these are present or not. Then go along apporopriate route, fuel or spark.Secondly the spark has got to occur at the right time .There are simple checks you can do to find out if this happening.
To confirm sparks Remove one plug. recoonect lead , hold it in contact with the chassis and turn the engine,you should see spark jump across the plug gap. Dont hold lead with bear hands as it carries high voltage,use an insulated material to hold it in contact with chassis.
similarly you can disconnect fuel input to carbureter and turn engine to see petrol coming out.
Once these two facts are confirmed then it is timing of sparks that remains.
Hope this helps you to go in the right direction.

Posted on Oct 23, 2008

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Timing belt or distributor cap might need to be adjusted.

Posted on Oct 23, 2008

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