What to do if your Duramax crank wont start?
Buy a new filter head– little over $100, and comes with a new filter and WIF sensor. i replaced the fuel hose to/from the filter head with clear line from the hardware store and then pressurized the fuel tank to 15 psi with a compressor and found the system full of air from a leaking quick connect fitting on the fuel line near the fuel tank.
Why did my 2004 Duramax engine not start?
My 2004 Duramax started and then died like it was out of fuel. Now it won’t start. I have about 1/4 tank of fuel, tried priming it until the batteries died.
Why does my 6.6L crank no start?
Possible someone shimmed the valve and lost parts– COMMON. Pull the “U” hose from the fuel rail– plug the hose. Connect a hose to the nipple on the fuel rail. Crank the engine— any fuel coming out of the fuel rail nipple — the FPRV is leaking fuel– IT WILL NEVER START.
What’s the fuel pressure on a GMC Duramax?
The actual fuel pressure today is 4.2 mpa while cranking. I just ordered a fuel supply diagnostic hose to make sure the volume is coming up from the tank and without sucking in air. Yeah thats about 610 psi and you need about 1400-1500psi to start easy..
Buy a new filter head– little over $100, and comes with a new filter and WIF sensor. i replaced the fuel hose to/from the filter head with clear line from the hardware store and then pressurized the fuel tank to 15 psi with a compressor and found the system full of air from a leaking quick connect fitting on the fuel line near the fuel tank.
Possible someone shimmed the valve and lost parts– COMMON. Pull the “U” hose from the fuel rail– plug the hose. Connect a hose to the nipple on the fuel rail. Crank the engine— any fuel coming out of the fuel rail nipple — the FPRV is leaking fuel– IT WILL NEVER START.
How to stop a Duramax truck from losing Prime?
Tried running fuel line from injection pump to tank of diesel.. No go Pressurized the fuel tank primed it and tried starting.. Nothing Pressurized fuel tank sprayed soap water on lines.. No leaks found Tried having someone prime while I cranked. Truck will run off starting fluid through airbox but dies when you stop spraying.
My 2004 Duramax started and then died like it was out of fuel. Now it won’t start. I have about 1/4 tank of fuel, tried priming it until the batteries died.
Can a 6.6L Duramax crank no start?
Hi I could really use a tip if you could help. I am working on a 2006 6.6 duramax and can’t get it to run. Drove ina couple months ago but ran very poor like a missfire. then stopped running completly. Will start on starting fluid but then stalls when runs out of starting fluid.
Why does my GMC Duramax not start up?
Sat in drive way moved it around a couple of times and parked it in the garage to do tcase. Almost two months later I finally finished it and now it won’t start. Acts like it will, fires up then dies right aways like the fuel shut off.
Tried running fuel line from injection pump to tank of diesel.. No go Pressurized the fuel tank primed it and tried starting.. Nothing Pressurized fuel tank sprayed soap water on lines.. No leaks found Tried having someone prime while I cranked. Truck will run off starting fluid through airbox but dies when you stop spraying.
Is there a lift pump on the 15 Duramax?
I was thinking that they did not add a lift pump until the brand new L5Ps. In the past GM has called the tank module a fuel pump, but there actually was not a pump there, just the pickup assembly. I remember they made some fuel system changes in 15.5, but I thought the lift pump was added for 17?????
Why does my GMC Sierra engine not start?
It seems this can also be caused by faulty APP (Accelerator Pedal Position) sensor. First I would check the INJ1 and INJ2 fuses in the under the hood fuse box.
Is there a 6.6 Duramax that wont start?
Chevrolet: 6.6 duramax wont start all of a sudden . Turns… I have a 2009 chevy 2500HD with the 6.6 Duramax. I started I have a 2009 chevy 2500HD with the 6.6 Duramax. I started the truck with my remote while I was opening my shed it ran for a couple of seconds … read more
Why does my GM car say no start no crank?
How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.
I was thinking that they did not add a lift pump until the brand new L5Ps. In the past GM has called the tank module a fuel pump, but there actually was not a pump there, just the pickup assembly. I remember they made some fuel system changes in 15.5, but I thought the lift pump was added for 17?????
What happens when a Duramax CP4 pump fails?
CLICK HERE to purchase our LML CP4 High Pressure Fuel Pump Failure Kit The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range. Failure of this CP4 pump is usually catastrophic, causing instant contamination of the entire fuel system with metal particulates.