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By Matt Parker · Posted
It is 4wd. shop told me it is the slip yoke. But not sure. -
By contrabombarde · Posted
No, I did not tune out vvt. From what I read it should still be able to run without it, it'll just lose some torque/power. I can see how that would make it not run correctly, but why would that cause the faulty MAF readings? EDIT: I just ran a quick test and checked, and as I expected, the computer sees that the VVT cam phaser solenoid is not present, and throws a code for it, and does not try to change the cam angle at all. Commanded position just remains at zero, 100% of the time. This makes me think that the VVT is most likely not the cause of the problem though if anyone has a different/better explanation, I'm all ears. -
Did you tune out the VVT? 07-09 they did not have VVT. 2010-2013 they did. If you haven't tuned it, its trying to adjust cam timing. -
GMT-900 is not Global A.
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By contrabombarde · Posted
These show the problem and symptoms, and I explain things too. to clarify again, I did not change over any computers or wiring (with the exception of the map sensor). All of the computers and wiring are original to the 2010 vehicle video 1 - background info/explanation and part of the problem video 2, idle misfire I think the reason that the MAP sensor is reading High is because the engine is misfiring so there is less vacuum... Additionally there's a p0102 for the MAF low frequency, and a p0108 for the map high voltage. Again, apologies for the somewhat long-winded explanation, it's a rather difficult problem to explain without going into the details.
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