MAF vs Coils

MAF will affect all cylinders equally. Usual symptoms are an inability to rev above a certain limit (3000rpm or whatever). Possible solution: Check for grounding fault or corroded connectors.

Coils usually fail individually. When one coil fails you will get uneven running. The engine will run on only 5 cylinders, in a rough manner. Find faulty coil by disconnecting the spark to each cylinder in turn. The cylinder which produces no change in the way the engine runs is the one with the faulty coil.

Al Moodie.

Thanks for the description. I have order an new MAF from Courtesyparts.

Thanks

Dennis