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cel bogs down at higher rpm
Hi All, 1st time here. just looking for some help. I have a 1999 996 with about 60k miles. runs great, but bogs down a little bit at higher rpm and harder acceleration. I have replaced the AOS and had the car "smoked" it showed a very small leak around the oil cap. so i replaced that. i have been looking at forums, etc for a bit and seems like the MAF is most common. I tried to replace that and the car would fire up and quit. so i cleaned the old one and it runs and operates just fine?? I have also replaced all 4 O2 sensors on this car. The code P1128 keeps appearing. Any help on this or experience from this?? Much appreciated, Thank you!!
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