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P1316 Code Intermitant rough idle and stalling
So when my truck has been sitting for a few days and its either been raining or humid it will start however it runs only on one bank will through the CEL light and then stall, if i push the accelerator it will eventually even out an idle fine. However when its warm and dry it starts up just fine.
SO so far I've takin in to one shop they scanned it and it came back with the P1316 code. Then I took it to another shop that got the codes from the IDM, they did the IDS testing and got code P0276 on a buzz test (# 6 cylinder) and did a cylinder contribution test and got codes P0269/p0285 (#3 and #8 cylinder).
So I had them replace the under valve cover harness and then they redid the buzz test and the cylinder 6 & 8 codes are still there...
Is this something a new IDM would fix? or could there be a short somewhere in the harness...
I'm not sure where to go from here and really don't want to just throwing parts and $$ at the truck unless i have to.
Any help would much appreciated!!
2001 Ford F-250 Ext. Cab Long Box, Ford AIS intake, ISSPRO EV2 Gauges, Aero Turbine Muffler, FRx, HPx, Detroit TrueTrac, 08 Tailgate, 08 rear diff cover, Warn Hubs,lightforce lights, Recon tail lights, Access Tonneau Cover, access add a rac, Firestone air bags, Titan fuel tank, alpine stereo oh and the cruise control & A/C actually work how....