1998 Dodge Van OBD reading cylinder 6 misfire

1998 DODGE VAN
164,000 MILES • 6 CYL • 2WD • AUTOMATIC
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CHRIS HAZELWOOD
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OBD reads cyl 6 misfire
I have replaced plugs, plug wires
dist cap and rotor
replaced injector
compression check 148-152 all cylinders
replaced coil, all have power
still at idle- very rough
with acceleration runs smooth with mild ping

? only thing I haven't changed was distributer itself
? any suggestions
Nov 24, 2009 at 7:16 PM
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MHPAUTOS
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HI there,

I think that the ping is the clue to this problem, can you do a live data read and check ignition timing specs, also check for vacuum leaks around this cylinder.

Mark (mhpautos)
Nov 24, 2009 at 7:24 PM