rough idle [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: rough idle


2500
10-25-2006, 05:15 PM
my truck is an 05 lly, last few mornings at start up it idles rough and even when i go to give it fuel to go it hesitates a bit for the first couple of lights then it seems to run fine. I am going to change my fuel filter to see if that is the problem, any other suggestions would be helpful thx.

Reineke
10-25-2006, 05:51 PM
Changing the fuel filter might be the easiest/cheapest route to start and has a good chance of correcting your issue. How many miles on the truck and has this happened over the same tank of fuel or several tanks?

hoosier83
10-25-2006, 05:59 PM
Fuel filter is definately where to start. Did you recently fuel up at a different station? That could do it. Has it set for a while on an empty or close to empty tank. Could have some water in the tank from condensation. Hope this helps.

2500
10-26-2006, 03:55 PM
my truck has 26000kms, I changed the first fuel filter at 15000kms and the second one last night. When I started it today, it seems to be running fine. I fill up at the same spot since I bought the truck, and try not to let it go below quarter of a tank.

Reineke
10-26-2006, 08:16 PM
Well, let's hope you got off on a filter change and it doesn't need major service!