CAR OBD CODES
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OBD CODES

CAR OBD CODES



OBD/DTC Search, e.g.P1668

CAR OBD CODES P1668

P1668 OBD Code Definition:
PCM-IDM communications error
P1668 OBD Code Description:

Possible Symptoms
  • Irregular rpm
Possible Causes
  • Wiring and/or connections to/from the Valve for Pump Jet
  • Valve for Pump Jet
Possible Solutions
  • Check wiring and Check / Clean all connections
  • Replace the cable-tree to/from all the Valves for Pump Jet
  • Replace Valve for Pump Jet (replace them all !)
Tech Notes
  • For each Valve the ECU checks the Begin of Injection Period (BIP) via a voltage. That voltage is very small (less than 0.0001A). Each extra resistance in the cable is fatal. So, in case of any doubt, just replace all cables.

 


Note: The information on the P1668 error code is purely informative, if you need more useful information, please consult your technician.

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