Quote:
Originally Posted by Trophy
Did you check the ignition module (under drivers seat near ecu) Changing the coils won't show if the module is working properly or not. At idle pull the lead from one see if the idle changes at all, then try the other.
Is the Varioram working correctly? is there a vacuum leak at all?
Compression and leak down numbers, what are they?
Do you have a Bosch PST2? I would also check the following:
MAF
Air Temp sensor
Regards,
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We haven't checked the ignition modules, we ran it on one coil at a time, so both work. Maybe if one module is a little bad and don't work over 4500 rpm.
Varioram is working, also just tried it with it removed (working i high rpm mode).
Compression is good, don't have the numbers, equal over all cylinders. Haven't done a leak down. Engine had a top end rebuild recently after an over rev that bent a few valves.
PST2 is that the "hammer"?
Error codes was checked at the dealer, nothing.
MAF is new
Air temp sensor, I don't remember if we changed or not.