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I want to know the meaning of error code 0077. because my nissan caravan was good before i switched off. then i started the engine and started to smoke and engine light on. i had put the diagnosis teaster and showed me error code 0077 and 0043. i cleared them and remained 0077 and if you clear again the code goes off and soon come back when i depress the accelerator pedal.

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The error concerns the intake valve timing control solenoid (VTC). If you have the 16v transverse engine the solenoid is located on the left of the engine at the back of the cylinder head: look at the four injectors at the rear of the cylinder head and then imagine a fifth one at the left and this is the position of the VTC. If has a electrical connector to the top of it and an oil pipe connection to its side. This device is used to adjust the valve timing through oil pressure action on the cam assembly. A high reading (error code p0077) indicates that the 'ground' wire is either disconnected or broken to the VTC. Disconnect the electrical connector and ensure the the the plug pins and socket are free of oily grime or corrosion that might interfere with electrical conduction. Disconnect the negative terminal from the battery before doing such work. When everything is clean reconnect everything, clear the code and test.

Posted on Nov 10, 2010

  • tampoos Jul 28, 2011

    how many pins does the VTC connector have on its harness



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