Jerry from Missouri

[Alumax Driver]

My duramax wont start when its below 20 degrees,glow plugs were checked and said to be ok, put fass fuel on it to help fuel pressure,I have 345000 on it and want to at least get to 500000 miles.

 

[2004LB7]

Bad batteries probably. Get them load tested. If all checks out then I would do a compression test

 

[RickDLance]

What year truck and where at in Mo?

 

[Alumax Driver]

It's an 02 ,new batteries.When it's 20 or lower it just turns over and won't fire

 

[Alumax Driver]

Dearborn,just south of Saint Joseph.

 

[RickDLance]

It should fire without the glow plugs. Check to make sure you have voltage to the glow plugs themselves when they are on. Could be a relay. Also check to make sure you have fuel pressure when cranking.

I am just east of KC.

 

[Alumax Driver]

I had Chevrolet do a full check and they said there were no issues,I thought the Fass Fuel would keep the pressure up,should I delete the stock filter.