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P1687 Diagnostic Trouble Code Discussion for March 2007

No Communication With MIC

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Trouble Ticket Help Requests for DTC P1687
Help Request Posted
2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, f trim / O2 heater VIN: 1J4FF48S4Y
P1687: No CCD Messages Received From The MIC. NO CODES CURRENTLY PENDING OR PRESENT!!! Engine is smooth & easy starting. Undermaintained & abused by hi mileage owner. "Tune" 6 components consisted of spark plugs / filters(not fuel filter however)& ignition coil ass'y being a 1 piece co...
March 07, 2007
2001 Jeep Cherokee Sport 4.0L No Start, cluster VIN: 1J4FF48SX1
P1687: No CCD Messages Received From The MIC. ... giving headaches. Custs complaint was tried to start & would not it would just click. He was able to start by giving it a jump but would not idle . I believe he lost idle strategy becuase by the time I looked at it next day all was ok. This was easy pa...
March 22, 2007