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Sorry for posting in English and Here but i am blocked So I have BMW E36 and put S38B38 engine inside. I remove the airpump and tempomat The engine is perfect 15bar compresion on each cyl , valve clearence is 0.30 , cams are on marks. I have speed signal from 325i tacho . So the problems came with Jim C chip the car runs with 12.5:1 AFR on wot but the EGT goes up to 810degrees celzii. I thought that there is problem and the ECU cuts the ignition advance and raize the EGT. I put the stock chip then I was amazed - on WOT the AFR is 10,5:1 and the car run poor ... but in closed loop everything is fine. I know that the ECU can enter in LIMP HOME mode or such but I checked almost everything and did not find problem ... Can you tell me what signals need ECU in WOT and what can make it to go in limp home or such mode to cut ignition advance . Please help you are my last hope , I try 4 months and no success. Best Regards T.Nenov | |
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Does it rev allright? When speed signal is bad (or wrong) it cuts rev early. If you can´t drift it - ditch it! |
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It is bad maf : USER 1 is the signal - it is tooo high Länk |
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