Problem fixed (for now) The MAP sensor that installs into the top of the intake manifold was full of oil. I assume this would mean the MAP wouldnt read the higher vacuum pressure at low rpm causing a overly rich fuel mixture which evntually fouled the coldest cylinder ..No.2.
Over 4000rpm it ran perfect because vacuum is low so the MAPs signal would be correct.
cheers
Over 4000rpm it ran perfect because vacuum is low so the MAPs signal would be correct.
cheers
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