What to do if your Cummins overflow valve is bad?
What to do if your Cummins overflow valve is bad? Each one of these known issues results in reduced fuel pressure. When fuel pressure decreases, overall engine performance decreases as the cylinders do not get an adequate amount of fuel. The best replacement option for a bad P7100 overflow valve is replacing the valve with a Tork Tek adjustable overflow valve. What are the problems with a Cummins 6BT engine? 5.9L Cummins 12v Engine Problems 1 Killer Dowel Pin (KDP) 2 Heater Grid Failure 3 Throttle Position Sensor Failure 4 P7100 Overflow Valve 5 Transmission Power Limitation Why is my...