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schienbeinj
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Lost Radio Code - post your request here
schienbeinj replied to pennyporsche's topic in Lost Radio Codes
Looking for the code also. Becker 1 Type 4462 S/N 25014434 24/99 Thank you -
Cold idle problem
schienbeinj replied to schienbeinj's topic in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa)
From cold, intake air temp 46F: Air flow 1.455 lb/min, LTFT B1 was -4.2, B2 was -14, STFT B1 was 0, O2 B1S1 was 0.8257v at ECT 98F: Air flow was 0.760, LTFT B1 was -0.7 B2 was -9.3, STFT B1 varied 1.5 to 5, B2 varied 4.56 to 9.3 at ECT 108: Air flow was 0.735, LTFT B1 was 0, B2 was -7.8, STFT B1 varied 0.7 to 3.9, B2 varied 3.1 to 5.4, O2 varied 0.105 to 0.660 at ECT 123: Air flow was 0.694, LTFT B1 was 0.7, B2 was -6.2, STFT B1 varied 0 to 3.9, B2 varied 0.7 to 4.6, O2 varied 0.1 to 0.675 at ECT 140: Air flow was 0.661, LTFT B1 was 1.5, B2 was -6.2, STFT B1 varied -2.3 to 1.5 B2 varied -1.5 to -0.7 and O2 0.150 to0.7 At 140 degs the hesitation was gone. -
I have a 2002 996 3.6l Carrera and when cold, it idles, but giving it any gas makes it bog down and the revs drop, similar to a carbed engine with the wrong choke setting. Once the engine reaches normal operating temperature it runs fine. I'm guessing a temp sensor is faulty and the fuel mixture the engine is getting is incorrect for its temp. Has anyone else experianced this and how can I diagnose the problem, I have an OBD 2 reader but it isn't showing any codes. I have cleaned the throttle body and MAF and no improvement.