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1990 Dodge Ramcharger Question: The motor is running but it is misfiring.

 

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SHELLMT, Thermopolis, WY, July 30, 2013, 14:01
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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?

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    pushrod July 30, 2013, 17:52
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    Worn distributor, replace it.

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    SHELLMT, August 01, 2013, 07:10
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    already done that. replace everything from the distutor out.

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    pushrod, August 01, 2013, 07:19
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    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?

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    SHELLMT, August 01, 2013, 07:36
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    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.

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    pushrod, August 01, 2013, 07:43
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    The timing light test is the next step. Possible still an ignition problem, coil or PCM?? Those codes are irrelavant.

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