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P1126 and P1133
Got these codes in May along with the MAF code (?) - don't remember cause it has not come back. 1126 and 1133 have returned. Cleaned the TB and the MAF. Engine starts, hits around 1500 rpm and dies. Over and over. I smoke tested for vacuum leaks and found none (that could be lack of experience, but nothing obvious sucked any smoke). Installed two new Bosch post cat O2 sensors. Same thing. Installed the old MAF that I replaced, and the car runs rough, but runs. No misfires. Unplug the MAF and it idles at a steady 800 rpm cold. MAF is a Bremi from PP. Not certain what info from my MD808 is accurate without the MAF installed. 2000S manual with 50k miles. Suggestions please. TIA.
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2000 Boxster S
2010 Volvo XC60
2011 GMC Denali HD 6.6L (sold)
2008 Cayenne S (sold)
1989 Targa (sold)
Last edited by morgal48; 07-29-2020 at 03:13 PM.
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