4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

P0320 - Bucking when warm - HELP!

Old 01-25-2019, 09:07 PM
Steve Weist
Join Date: Jan 2019
Location: Pennsylvania
Posts: 1
Default 98GTStang

Originally Posted by bryan616fl View Post
P.S. I don't think I solved the problem, I think it just took a break for one evening. Please list anything you could think of that would be causing this issue.
I had the same issue a year ago and it turned out to be the cool plugs (The 4 wire pigtail in the front of the coil). It was vibrating loose but not all the way off so it was making a partial connection causing an ignition circuit code. I took a zip tie and put around it where the snap clips are on the plug in to keep the snaps from spreading apart like you would to unplug it. Solved my problem.
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