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LARRY1724 -> 1999 RANGER RUNNING ROUGH (4/26/2008 11:26:51 AM)
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1999 RANGER 3.0 AUTOMATIC FLEXFUEL 4X4
RUNNING E-85 BIOFUEL (SINCE AVAILABLE) LAST YEAR. RUNS GOOD (EXCEPT FOR BELOW 20 F:
HARD START). SUDDENLY RUNNING EXTREMELY ROUGH. THOUGHT 'BAD GAS' & RAN ALMOST DRY & PUT HALF TANK OF 94 OCTANE. BETTER FOR A FEW MILES THEN RUN ROUGH.
SNAP ON SCAN TOOL INCONCLUSIVE-NOT TALKING TO COMPUTER.
ANY IDEAS?
PLUGS 4, 5 & 6 SLIGHTLY FOULING AFTER 200 MILES
PLUGS 1,2 & 3 ARE FINE
COMPRESSION APPEARS TO BE FINE IN ALL 6 CYLINDERS: BETWEEN
140 & 155 LBS
HAS A STEADY 17" O F VACUUM WITH NO FLUCTUATION ON THE NEEDLE AT ALL
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