SAI Confusion

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Mar 23, 2025 | 08:14 AM

#11

mollusc

Camel Trophy

Joined: Nov 2015

Posts: 3,560

Likes: 834

From: Staten Island, NY

Quote:

Originally Posted by Grum.man

If they swapped the entire engine than you need to verify if it's a 4.6 or a 4.0. The 4.6 was never offered without SAI so it's probably a 4.0 if the heads have never been off.

I have personally worked on a NAS 2003 4.6L without factory SAI.

Mar 24, 2025 | 04:00 PM

#12

redrover75

Recovery Vehicle

Joined: Jun 2014

Posts: 1,025

Likes: 194

From: Central NJ

In any case, it is a blessing to not have SAI. I would pull the rest of it, pump, etc and get an ECU that does not throw a code.
Fun project.

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