Non return valve in the primer pump or main pump faulty
SOURCE: 85 ford diesel 6.9
Most common cause is a air leak into the fuel system at the filter bleed valve.
SOURCE: 2003 GMC Duramax Diesel won't start
I see that you had the injectors replaced 20,000 miles ago. I would still check the oil to make sure it is not overfull. The new injectors could be bad. If the oil level is not overfull then get a paper towel and touch the dip stick tip on the paper towel while oil is on the dip stick. If it's only oil it will not spread. If it has diesel in the oil the oil with spread. If this test doesn't show the injectors to be bad then you have three other possibilities. The FICM (fuel injection control module), the fuel pressure regulator, or the injection pump. It's hard to pinpoint what the problem is without running more tests and the only way to run those tests is with the computer the dealership has. Just so you know your injectors are still under warranty until 100,000 miles. Most likely you will have to take it to the dealership to get you truck fixed. I hope this helps you some.
SOURCE: expert van 2.0 hdi engine runs lovely until you
Hi You need to get the ecu checked for fault codes if there are none it is possibly low fuel pressure you should allso check this have you changed the fuel filter or opened any fuel lines this could introduce air
which will lower fuel pressure.Good luck Chris.
SOURCE: 2001, Duramax Deisel 6.6 won't "restart"
fuel pump is obviouslynot working !
check it & its wiring!!!!!
308 views
Usually answered in minutes!
×