Quote:
Originally Posted by Mike@Diablosport
? Was a theoretical statement entirely....
BUT, MAP and MAF all lead to the intake, just like a CAI, not sure how you could say one could cause that problem and not the other?
FWIW, I have seen/heard of crazier things from dealerships....
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Not even close, you should be experienced enough to know a CAI can cause a MAF to output incorrectly, cause it's filter oil to coat MAF and cause incorrect output, cause leaks and unmetered airmass and
hence all those causes will effect AFR, too lean/excess knock, too rich, excess misfires, false line pressure, wrong torque values, and all that effects long term carbon buildup, load on fuel injectors, degrades 02 sensors, ill shifting and false misfires causing torque converter to be randomly locked or unlock so yes a simple CAI can cause lots of damage and one reason a air cleaner has to comply to EPA.
MAP is a big part of the PCM's math and decisions yet wacko CAM grinds ( or CAI airbridges) cause a lot vacuum loss which causes higher MAP KPA values fooling PCM into thinking the engine is at driving conditions it really is not in such as
idle stock being 35 KPA but with 3rd party CAM idle now has 60 KPA ( less vacuum) and PCM thinks engine is not at idle but driving down the road and is falsely adjusting fuel, timing, engine and torque loads.