J1 Automotive Induction Kits for MK2 Focus RS
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Contact sales to discuss your requirements and for some free friendly advice...
Hopefully this experience might help others with the same issue.
I had a bit of hunting on tick-over a while back - drove me up the wall at junctions.
I cleaned the MAF and it was slightly better.
I was told it could be a problem once the bigger injectors were fitted.
Some time later, I took...