What is the firing order of a Duramax fuel injector?
What is the firing order of a Duramax fuel injector? The firing order is 1-2-7-8-4-5-6-3 with the odd-numbered cylinders located on the passenger side of the engine and the even-numbered cylinders located on the driver’s side. DTC P2149 sets when the FICM detects a fault in the high-voltage circuits of fuel injectors #2, #3, #5 and #8. Where is the fuel pump on a Duramax? On a stock Duramax there is no electric pump in the tank or on the rail -- unless you have dual tanks. The Bosch CP3, mechanical pump mounted in the engine valley, pulls the fuel...