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GRNCAB
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Hi Scott, I have a 2001 996 c4 cab. I had the EVO unit on my car and it caused PSM, ABS, and Check Engine Lights to come on. The car also had shut off while at freeway speeds. I bought a new MAF and installed it with the same results. I then replaced the EVO with the stock unit and the old MAF and guess what? No problems at all. I have had oiled filters on other vehicles with no problems. I think the problem with the Porsche MAF is the turbulence in the new intake. My car would get the codes mostly upon shifting at high speed into 3rd gear and would shut off upon deceleration from around 70 MPH.