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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 01-08-2014
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Location: New Castle Pa
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Cam sensor

I have a 1999 ford explorer with a 4.0 ohv. my problem is I replaced engine from a 1997 ford ranger engine and all the wire harness plugs matched up to the original wireing except the cam sensor plug. Mine has 2 wireplug and the new motor has a 3 wire plug. Ive been running without any plug connection at all to the cam sensor. any suggestions how I can hook this up?

Last edited by tkpeak; 01-08-2014 at 11:31 AM.
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Old 01-08-2014
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Location: Vancouver, BC
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They are two different kinds of sensors so there would be no way to just change the connector, the computer wouldn't understand the data from the "new" sensor.

2 wire is a Variable Reluctance sensor
3 wire is a Hall Effect sensor

You will need to swap out the 3 wire sensor for a 2 wire sensor.

With the Cam sensor unhooked the computer will run the engine in "limp mode" so instead of sequential firing of the injectors(one at a time) it will Batch fire the injectors, 3 injectors fire at the same time, this keeps the intake full of fuel/air to keep engine running, like a carb did.
So MPG will go down.
Spark timing can also be effected.
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