The motor is running but it is misfiring. on 1990 Dodge Ramcharger

when the engine misfires the fuel from the injector skips, like it stop injecting fuel. I have replaced the dist, cap, rotor, plugs and plug wires. any ideas?

by in Thermopolis, WY on July 30, 2013
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1 answer 4 comments
ANSWER by , July 30, 2013
Worn distributor, replace it.
COMMENT by , August 01, 2013
already done that. replace everything from the distutor out.
COMMENT by , August 01, 2013
Ok i see the comma now, i was thinking worn dist as that also triggers the throttle body mounted injector(s). Any trouble codes? Both injectors stop spraying? Got a timing light, with advance feature, to watch injector spray with secondary lead hooked to the coil wire, or is that what you are doing?
COMMENT by , August 01, 2013
I got code 12 , 37 and 55. I know 55 is the end of message code. yes both injectors stop spraying. not sure but the timing light attached to coil wire.
COMMENT by , August 01, 2013
The timing light test is the next step. Possible still an ignition problem, coil or PCM?? Those codes are irrelavant.