Working my way through Donkey's misfire problem list...
IF YOU HAVE A MISFIRE CODE ,PLEASE READ THIS!!!
-flashing CEL with p0304 and p0302 in VT on Jan 1, cold morning, uphill, loaded car. Panic!
-drove around a little staying out of boost
-reset ECU (CEL returned)
-Changed fuel filter (no change)
-dry gas and full tank of 93
-drove to PA staying out of boost (CEL still flashing intermittently)
-upon arrival had p0304, p0302, p0301
-replaced timing belt and pulleys/tensioner, new thermostat, new plugs NGKIridium BKR6EIX gapped to .029.
-Leakdown test showed all cylinders under 5%
-unplugged MAF, no change.
-drove 5 miles, no change.
-check FPR hose
-try alternate, stock ECU
-run can of BG44k
-remove SPT intake and try stock airbox
-I have fuel line leak warranty repair scheduled for next week. Could it be related?
Anyone have any insight?