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Thanks to you both for the advice. The high pressure injector supply lines are a likely place to look and a little pressure loss there combined with already slobbering (as opposed to spraying) injectors and fuel viscosity that is a bit runnier due to temperature increases could keep the rail...

Hi folks. I have a starting issue with my truck and I need some advice. Before you say it, I know the truck needs injectors. It has all the symptoms like rougher idle, mileage dropoff, etc, but it's not a real good time to spend the money right now, so here goes. It's an '03 with 335,000 miles...

Not my place to tell anybody what to do with their truck, but Issue 59 (the latest) of TDR provided some test numbers that showed that it is way more important to keep warm/hot under-hood air out of the induction system for the best useable power in these trucks. Yeah, the "Low Restriction"...

I have an '03 with 183,000 miles and have had no transmission problems. It's a big improvement over the old 47. No power mods though.

Sorry to latch on to your thread but I've been chasing the same issue. Truck has 181,000 mi. and has developed a howl/roar/whine (that might be me whining) that I can't really identify. Have had it to a good mech. and he's not sure of the source. His hearing isn't much better than mine so...

03 Bad surging problems, any suggestions Trying for the second time. Sorry it's taken me so long to get back to you. The Fuel Control Actuator (FCA) is located on the back of the High Pressure fuel injection pump. That's on the driver's side of the engine, at the front and not too low...

03 bad surging problems Check (or have someone check) the Fuel Actuator. Mine (on an '03) went out @ about 155,000 with similar symptoms (and no codes) and this was what it turned out to be. Good luck, BLambert