ENGINE SWAP

1994 Ford Explorer

Tiny

fmanerchia

October, 21, 2008 AT 12:20 AM

1994 Ford Explorer 6 cyl Four Wheel Drive Automatic 211000 miles

My 4.0 engine has finally given up the ghost after 200K+ miles. I obtained a replacement 4.0 from a local junkyard in very good shape. I took off the valve covers and intake manifold and it was very clean. The original engine had a CMP sensor on the back of the block on top of the oil pump drive. The engine that I bought is identical exept that that it just has a blank bolted down over that spot. There were two square


http://www.2carpros.com/forum/automotive_pictures/179597_102008_1418_1.jpg



http://www.2carpros.com/forum/automotive_pictures/179597_102008_1419_1.jpg



http://www.2carpros.com/forum/automotive_pictures/179597_102008_1418_2.jpg



http://www.2carpros.com/forum/automotive_pictures/179597_102008_1419_2.jpg


16 pin connectors that went off to the left side in front of the original engine and on the replacement engine, they were round and one of them only had 8 pins so we swapped wiring harnesses. My questions are: how can I tell what engine I bought,where could the CMP sensor be, is the oil pump drive in the same spot under that blank, and, can I transplant the CMP sensor?

FOUND 1712 RELATED QUESTIONS

1 Answer

Tiny

mmprince4000

October, 21, 2008 AT 6:40 AM

Call the junkyard and ask what year/model the engine is from and then ask if they are interchangeable with your 94. They should provide this information to you when you bought it. If not return the engine for the proper year.

If the engine was from a 96 or newer you would be going from OBDI to OBDII and they may not be compatible without major modifications.

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