20 Most Recent 2003 Infiniti QX4 - Page 5 Questions & Answers

The overrun clutch solenoid valve is activated by the Transmission Control Module (TCM) in response to signals sent from the Park/Neutral Position (PNP) switch, overdrive control switch, vehicle speed and Engine Control Module (ECM).Read more: http://engine-codes.com/p1760_infiniti.html#ixzz21PlcPafq

It sounds like he has an issue with the ignition lock cylinder, assuming he is using the correct vehicle key. My advise would be to replace it instead of trying to figure out what is wrong with the one you have because the labor for that would probably be more than replacing the lock cylinder.

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A wire coat hangar works well.

I usually fix anything that is broken in my car. So I'd say yes, it is good to fix it.

It is under the center of the dash, in front of the center console.

This link shows the location of the SCV, If your motor is different the location should be similiar. http://img510.imageshack.us/img510/5687/vacuumdiagramuh3.jpg

There's a vaccuum line that runs off the SCV to the SCV check switch.

P0442: Have you inspected the lines, charcoal cannister etc? Make sure the fuel cap is tight. The easiest way to check the system is to have someone perform a smoke test. I had a DTC on my car which indicated a EVAP problem, it turned out to be the Fuel tank evaporator Control Solenoid.

u check the manual to find the error corresponding to this code. this is an error code.