Danieltravelers Posted March 21, 2016 Share Posted March 21, 2016 I have a engine code displayed on dash PP330 which is for discharge recirculator valve solenoid. Does anyone know where this is located on the engine? Quote Link to comment https://www.bigmacktrucks.com/topic/44407-2009-mack-cxu613-engine-code/ Share on other sites More sharing options...
Challenger Posted March 21, 2016 Share Posted March 21, 2016 Driver/left side of engine, towards the center. It will have a 1/4" plastic airline and a metal airline and 1 plastic round connector. If you remove the connector, the solenoid should be blue. Its normally painted over but once you remove the connector you will see the blue. Quote Link to comment https://www.bigmacktrucks.com/topic/44407-2009-mack-cxu613-engine-code/#findComment-328078 Share on other sites More sharing options...
Challenger Posted March 21, 2016 Share Posted March 21, 2016 To add some info. The DRV (valve) is located on the turbo discharge pipe. The plastic 1/4" line on the solenoid is the supply airline. The metal line on the solenoid runs air over to the valve. This line can break around the solenoid or rub through around the turbo, they can break anywhere but these are the most common. Just a few things to look at while troubleshooting your code. Quote Link to comment https://www.bigmacktrucks.com/topic/44407-2009-mack-cxu613-engine-code/#findComment-328081 Share on other sites More sharing options...
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