S2000 Engine Management Engine management topics, map and advice.

EMS problem?

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Old Dec 7, 2010 | 11:08 PM
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Default EMS problem?

https://www.s2ki.com/forums/index.php?act=S...0#entry19919814
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Old Dec 8, 2010 | 08:32 AM
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its most likely a problem with your startup calibration. It sounds like you are only having trouble when starting after driving around for a bit. AEM has a coolant temp compensation table for start-up fueling. it seems like you have the low temp range figured out and now you need to work on the high temp setting.

post the map if there is anything bluntly wrong maybe I can point it out.

besides the ECT comp table you could have a few other compensations influencing start up like enrichment after starting table, crank timing

also check if your CPS is syncing with the two cam sensors..
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Old Dec 8, 2010 | 10:40 AM
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could it be that the aem having problem reading the cam sensor? I have a 06 ap2 motor in there and i notice that the 00-05 have two cam sensor where the 06 and up only have one sensor.
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Old Dec 8, 2010 | 10:50 AM
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the aem software is configured by default to work with the ap1 setup. did you configure the software to work with the ap2 trigger wheels on both the camshafts and the crank or swap all 3 trigger wheels for ap1 versions?
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Old Dec 8, 2010 | 11:54 AM
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i email you my calibration can you check ? my motor is an 06 motor so it only have 1 cam sensor
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Old Dec 8, 2010 | 11:59 AM
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i know it has only 1 crank sensor. all s2k's have 1 crank sensor. i am referring to the actual trigger wheels on the crank taht provides the sensor with timing info
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Old Dec 8, 2010 | 12:01 PM
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ooop i meant the 06 have only 1 cam position sensor rather then 2 of them on the 00-05
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Old Dec 8, 2010 | 12:03 PM
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who did the swap for you?
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Old Dec 8, 2010 | 12:37 PM
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i bought the car with the motor already. but the motor was swap by erick's racing.
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