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P0046 Diagnostic Trouble Code Discussion for October 2010

Turbocharger Vane Position Control Solenoid Performance

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Trouble Ticket Help Requests for DTC P0046
Help Request Posted
2005 Chevrolet C5500 Kodiak C5C042 6.6L Backfire/popping VIN: 1GBE5E1275
P0046: turbo boost control position performance. Truck seems to be down on power, when accelerating about at 3/4 throttle the engine will start popping, back firing out the exhaust. Have done the turbo relearn procedure, have checked intercooler system for leaks, cleaned mass air sensor and swapped out senso...
October 07, 2010