Grab some jumper cables and ground the alternator directly to the battery. If your problem goes away it's a grounding issue. Likewise if you...
It's not likely but if the EGR gasket is leaking the replacement is easy. Rear exhaust port has a better chance, you'll need all six. This...
I did this to my 2007 about 2 years ago, go to "Hendrickson - Truck Literature" and look at SP-174 under AIRTEK parts list and identify which...
Nope, not connected. Air leak, could be anywhere on the truck, you'll have to hunt it down or have it done for you. Jake brake is a 2/4/6...
There are no shutoffs from the factory as mentioned by DaveLV. If your leak is minor (can smell coolant when running bunk heat, but are not losing...
To check if injector cups are leaking; locate fuel return line on fuel filter housing, disconnect (plastic push in fitting) purchase another...
I've been very happy with the DONALDSON filter, switched from FLEETGUARD. Both seem to work well, I prefer the blue one a bit over the other. Look...
Did it throw all these codes at the same time? If it did it can be caused by a low voltage condition, low voltage will throw off the readings to...