My '99 Ford F-150 V6 4.2L. Part of the fleet. While the rest are toys, this one stays stock. Every time I turn the key, it starts. No matter the weather, or what gets in my way, I get there un-scathed. It's a truck. I paid 00 cash for it when it was 5 years old. That was the last time I spent anything on it. Greatest 87 Octane addition to the household, ever. It's made so much possible! it started mis-firing and threw a check engine light. P1518 Intake Manifold Runner Control fault - stuck open. In this video, I changed all the tune-up items and the misfire stopped, but what cleared the P1518 was blowing the carbon out of it. I didn't film any of that, but here's what I did: a half of a can of 2+2 (Gum Cutter) through the throttle body into the intake with a "toothbrush" & a thorough cleaning letting it sit overnight starting it up on a warm day spraying a whole can of 2+2 through the throttle body while it's running driving with highway traffic (70-79 mph) for about 50 miles (first 5 miles with overdrive off) The code cleared itself. Truck runs great now. Getting better mpg's. Seafoam through the throttle body would probably do the job just as well if not better. Would smoke a heckuva lot more, though. IMRC failures are actually uncommon, but they can happen. Mine had not. This is just what worked for me to fix this problem. After all that mess it got a full tank of 93 octane for the first time ever, I think? Oh, and I washed it for the third time. It's a truck. A ...
Keywords: tune, up, tuneup, automobiles, engine, repair, howto, how-to, car, truck, trucks, Ford, F-150, F150, 4.2L, V6, P1518, IMRC, Jafromobile
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