Hi
I own a 2005 f150 xlt 5.4l 3v motor tow package (65000 MILES) . I'M TOWING A 6000LB CAMPER WITH THE TRUCK AND WHEN I HEAD UP TO THE WHITE MOUNTAINS THE TACK IS DOING 4000 WHEN I HIT THE HILLS, IS THAT OK ? LAST TIME I WENT UP THERE I BLEW A PLUG AND AN INJECTOR IN THE #7 PISTON. JUST MAKING SURE I'm not overwieght

 

Your truck should be plenty capable of pulling a trailer that only weighs 6,000 lbs. But you have to remember that if you are going up inclines with dead weight behind you the truck needs to work harder to get everything moving, also if you are in the mountains the air is thinner so you lose some power, and also you are not in overdrive so your truck is compensating for all of those things. You are only running 4,000 rpm up hills correct? On flat ground you shouldn't be running that high of an RPM.

 

^^ I agree.

What type of elevation change is it?? Grade??

Do you have anything else impeding your power??

 

only on the hills thats it's doing the 4000, it's doing 2500 at 65mph when I'm cruising along

 

i live in utah and every time i pull my trailor over the mountains my truck does this so your fine don't worry you're okay......

 

The plug and injector problem have nothing to do with the 4000RPM. We don't want to run at 4K all the time, economy and wear and tear, it will be just fine.

 

Thanks for all the help my mind is at ease.