P1687 Diagnostic Trouble Code Discussion for April 2006
No Communication With MIC
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| Help Request | Posted | |
| 2002 Dodge Ram 1500 Van 3.9L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2B6HB11X62 P1687: No Cluster Bus Messages. I replaced ign wires(oe)because arcing was observed when misted with water.Cleared dtcs.Still ran very rough.Ran injector balance with snap on scan tool.#4and#6 weak,#3OK. Misfire dtcs not reset,no misfires shown on counter(system test).Now it gets good,scanne... |
April 24, 2006 |
