Difference in 2001 and up 4.0L engines? - Ranger-Forums - The Ultimate Ford Ranger Resource

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Old 10-07-2015
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Join Date: Nov 2008
Location: Chicagoland, IL USA
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Difference in 2001 and up 4.0L engines?

Just being curious, I checked out LKQ for used engines for my 2003 4WD 4.0L Ranger. What was weird is they had 4.0L marked as:

2001 - 2003
2005 - 2006
2007 - 2011

I'm wondering, does anyone have any idea why they'd do this? Perhaps ECU was different for those year ranges?

I was always thinking, if I couldn't be in a position to do a VW TDI swap, that I'd find the lowest mileage newest year 4.0L I could find, put in new OE tensioners and spark plugs, swap accessories over (and I was under impression even a 2011 4.0L block would work for even a 2001 4.0L Ranger), and be off and running.

Is this not the case?

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Old 10-07-2015
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Those would most like be complete engines, so yes there would be changes in sensor placement and around 2005 I think they switched to 1 ECT sensor for computer and dash gauge instead of 2.

But yes, long block(block and heads only) should work from 2001 to 2011
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Old 10-08-2015
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Join Date: Nov 2008
Location: Chicagoland, IL USA
Posts: 32
Cool Ron, thanks for the info!
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