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Clean the mafs sensor unit carefully with a q tip and alcohol. Gentle!\
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Do not disrupt the wires.
Very careful on the windings.
And... clean the connectors...check the grounds...you can readjust the idle...it is fine to turn it up to proper..all this just don't fall in place with our gas and environment...also the engine has not been run out in a while.
Do some Italian tune ups and get it leaned out and change the oil again, pamper, and reset ecu a few times. It will click in there.
Leaks in pipes...check many times.
One dude had a bad intercooler...causing problems.
Run a can of techron to clean the injectors. Take a pencil eraser to the terminals of the igniter terminals and make sure it is clean. Make sure ECU is fully plugged in and instrument cluster is grounded properly.
All this schnitt. Fuel filter??? New. Bigger Fuel pump? Needed.
EGR, look at leakage.
Go for yourself her.
Hope some of this helps...and check all vac lines. no stone unturned.
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