Compression Ignition Addict
Join Date: Sep 2011
Location: Hull, MA
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The valve cover gaskets are more than just a gasket, because ford can't do anything easy. They have a plug that runs through them and supplies power to the GPs. It clips on the outside of the cover and the inside. If you pull off the cover you can unplug them and get a multimeter that can send a charge through one pin and be able to pick it back up through the other pin. You have to look inside there and you can see where they run to and put the one pin on one side and the other on the on the corresponding GP and see if you have continuity. If you have power running through, you know that your valve cover gasket is good. Also you can check your GPCM from there. I you have a buddy it will be much easier, but you can turn your truck to the on position, better if the engine is cold, and see if you have 12v running to the gasket. If its some weird number, I think mine was like 8v you know you aren't being supplied enough power to properly hear your GPs so your GPCM is bad.
Hope that didn't come off to confusing haha, electronics are not my thing, I had my dad do this part while I just took it all apart and put it back together.
2003 Excursion Eddie Bauer 7.3
6 Inch ProComp Lift, 315/75/16 BFGoodrich All Terrain Tires, BTS Transmission, 175/100 P.I.S. Injectors, PMF Traction Bars, Garrett 38r, International Up Pipes, Dyno Proven Tunes, 6.0 Transmission Cooler, CCV mod, MBRP 4" Turbo-Back Exhaust, RiffRaff Over Boost Code Regulator, Moto Metal MO951 Black Rims, Dual Sky Jacker Steering Stabilizers, GlowShift Gauges, Mile Marker 449SS Lockout Hubs, 6637 Intake.
Putting this old PMR truck to the test....