While putting the hammer down uphill (loaded or unloaded), my '02 as described in my sigature below seems to run fine, but when I am just trying to maintain speed with medium throttle or barely on the trottle going down hill, I can hear the engine changing tone and feeling like it wants to cut out. As soon as the next hill comes up, when I get back on the throttle, it pauses a second likes it has to catch up or something before the horsepower and torque shows back up. The truck seems to run fine at low RPM's. Most of the hesitation I am seeing is between 2200 and 2800 RPM. Has anyone encountered this problem and have a solution to it? The truck has 54,000 miles, stock engine with mods below, and I recently started using Power Service two tanks ago.

Also, two months ago my fuel gauge sender, the pwb on the in-tank float device, went bad. I ran out of fuel three times showing 3/8 of a tank. I have recently replaced the sender and all is well. Could I have hurt something by running out of fuel or cracking the injector lines to get it running again?

I posted this problem earlier today under a different subject and only got three responces and and very few veiws. Thanks those individuals for their input! One member thought I should post again under a different subject.

Can anyone help me out? Most seem to think it is the LP or VP. Is this the general consensus?

Thanks so much.

 

Any codes??

 

When your sender pooped was the float " dissolving" mine was half the size of the replacement and the float was in a billion pieces in the pickup sreen and fuel filter nearly replaced my lift pump for nothing

 

Don't know how to read them. Turn key on-off-on-off-on? I think I read that somewhere. Not sure.

My float was fine. The pads on the printed circuit board that the wiper connects when the float moves up and down were trashed. Some pads were missing and others were shorted together. The max resistance when the float was all the way down was 150 ohms instead of the 220 that it should have read when the tank was empty. The dash thought I still had 3/8 tank.

 

yeah, turn the key on-off three times ending in the ignition ON position (of course without starting the truck). Watch the odometer window. If there are any codes there will be a series of numbers starting with P.....then it will flash "P done".

price of that info is one front bumper please.....

Seriously, it sounds like you have a few issues going on....

 

Engine code found to be P1693. Any ideas on what that means?

Never mind. I found this on a previous post.

"The P1693 is a companion code. This means you have codes set that will not show up with out pluging the truck up to a code puller."

 

Codes were just diagosed at the dealer to be:

water in fuel sensor voltage low

injection pump timing error

Looks like they will be doing a flow test on my pumps Wednesday.

 

good thing you're under warranty...

 

Uh oh.

Yeah I hope you still have warranty!

Injection timing error, probably time for a new VP.

 

It is at the dealer right now. My appointment was at 1:00, they just drove it in and it is 4:14. Imagine that. I'll post the results for anyone who in interested when I find out.