Car starts just fine but runs rough at idle. removed all spark plugs cylinder one through has carbon on top of the piston and cylinder 4 is completely clean, looks like new. after car is started i remove plug wires from one through 3 and there is a change than on #4 no change. i changed plug wires with # 3 to see if it moves cylinders and nothing. Anyone got any ideas...this is the only problem keeping me from the dyno to tune..need help..thanks
im running a h22a, je 9.1 pistons 780 precision injectors stock head anyothe questions please let me know
Error Code 16
Error Code 16
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- new map.skl
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