my d2 v8 is running lean/ not at all on the left hand bank but perfect on the right hand. the compressions are good and the spark is good the coil packs and leads are new ???????????
AT REST
Failed oxygen sensor? Failed inlet manifold gasket? Power wire to that bank of injectors has been cut/damaged by a LPG fitter? Take the top plenum off and check the bolts holding down the lower manifold half. I often find these bolts loosen themselves and the lining on the inlet gasket fails. Have a new gasket on hand first.
The coil packs don't feed one bank each, they fire cylinders in pairs across the engine.
have cheaked all that the bank has injector pulse but its very short compared to the right side.
im going to have to replace the ecu i think...
do they need to be programed or can i just slap a 2nd hand one in ???
AT RESTYou need to sych the ECU with the BCU, so the security system recognises the brain transplant. Nanocom has a "learn Security" function.Originally Posted by 2door_rrc
so just another question,
i scanned the ecu and saw that the right bank is +25% in the long term fuel trim
and the left is -25%.
i have measured the pulse with a scope and that works out about right ????
but cant figure out why...
btw new o2 sensors have already been fitted and test fine at the ecu pins, but the ecu is still reporting no activty and deleting them ?
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