Problem job: Renault ‘crankshaft’ sensors

Common Renault crankshaft sensor issues are caused by a poor multi-plug connection, experts find

Problem job: Renault ‘crankshaft’ sensors
Crankshaft sensor problems are commonplace in some Renault engines.

As a result of a high number of crankshaft sensor problems with popular Renault engines, Renault discovered that the issue does not lie in the crankshaft sensor itself but in the connection between the component and the vehicle harness multi-plug.

According to Cambiare, engine vibrations cause the terminals within the multi plug to work loose, causing a poor connection, which in turn triggers a crankshaft sensor fault code.

Symptoms and fault codes:

  • Engine management light illuminated.
  • Non-start.
  • Misfire.
  • Possible loss of rev counter readings.
  • P0335: Crankshaft position sensor A circuit malfunction.
  • P0336: Crankshaft position sensor A circuit range/performance.
  • P0337: Crankshaft position sensor A circuit low input.
  • P0338: Crankshaft position sensor A circuit high input.
  • P0339: Crankshaft position sensor A circuit intermittent.

Cambiare said: “Simply replacing the sensor is not always enough to completely eradicate the fault as the underlying issue actually lies with the connection.

Old sensor plug (left) and the new sensor plug locators (right).

“The solution to remedy this issue is to replace the sensor along with the connector with a newly modified blue version.

“The re-worked sensor and connector kit, has very slight differences to the original version, so installation of the original sensor is not possible after the vehicle has been re-worked.

“For this reason, the new sensor is blue in colour to aid part identification.”

Cambiare say the new plug will eliminate repeat break-downs and repairs related to the crankshaft sensor problem.

Follow the ‘more details’ link below for further information and technical tips.

1 Comment

  1. Just bought a new (CAMBIARE) crank sensor for a megane mk2 1.6vvt 2004 automatic. The sensor plug is black in colour and fits the old SEIMANS sensor that I have just replaced, is this correct?

    Reply

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