Quote:
Originally Posted by JayRash
Eric,
Try and have the engine think its at 40c, on your car it will fool both injection and ignition together, but i suppose you will be running too rich. and thats what makes this modd better on the W124, since u can fool timing and injection seperatly.
Any way we tried this on a C36 and did give that car better response, thou i really didn't get to try that car enough to have more accurate data.
The limit was that it would start running too rich and thus loosing the gained performance way before reaching the timing limits.
any way just fit a variable resistor and look for that sweet spot.
looking forward to your update.
Opps, does the 400E control timing thru a similar EZL like w124s!!!! or is it like the C36 M104?? would be gr8 if its an ezl i guess.
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I saw this post and I think you would be able to help. I have a W124 M103, and it starts fine when cold, but when warm has problems starting, when I check timing with a light it looks a bit retarded (while idling).
Anyways, when the engine is warm and I trick the ECU to think the engine is cold (by connecting the green/red wire from coolant temp sensor to a 10k ohm resistor, which makes it seem as if the engine is -10degree C), then it starts up fine and idles up to 1500, since it thinks its cold.
What could the problem be? It starts fine when tricking the ECU, I'm guessing this is injection side. It is the 2 wire coolant temp sensor.
BTW, I've done all the basic diagnosis and checked fuel pres. and leak down and all have checked within spec.
thanks