Nissan Primastar P1685 Engine Error Code

When you check Nissan Primastar car engine light came on code P1685 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Nissan manufacturer may have a different definition for the P1685 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1685 Nissan Primastar engine problem can be occur defective fan clutches are a common and often overlooked cause of engine overheating. The shear characteristics of the clutch fluid gradually deteriorates over time, with an average loss in drive efficiency of about 200 rpm per year. Eventually slippage reaches the point where effective cooling is no longer possible and overheating results. (On average, the life of a fan clutch is about the same as a water pump. If one needs to be replaced, the other usually does too.)

Nissan Primastar P1685 OBD-II Diagnostic Powertrain (P) Trouble Code Description P1685 Metering Oil Pump Stepping Motor Circuit Malfunction so you have to check ODB-II Engine Error Code list. Reason For Nissan Primastar P1685 Code The reason of Nissan Primastar P1685 OBD-II Engine Error Code is P1685 Metering Oil Pump Stepping Motor Circuit Malfunction.

While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P1685 Nissan Primastar code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.

Nissan Primastar P1685 Possible Solution :

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

What does fault code P1685 mean for Nissan Primastar ? What does a diagnostic reading P1685 mean for Nissan Primastar ? How to fix OBD2 Code P1685 for Nissan Primastar ? What do we know about P1685 code for Nissan Primastar ?