Weak Fuel Pump??
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New User
Joined: May 2008
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Weak Fuel Pump??
New to the forums here; and I need some help.
I had my first problem with my 03 6.0L today while towing my 9000# travel trailer. I had towed it maybe 70 miles and then started noticing weak power. As I got off the freeway and made a right turn it just died as I got back into the throttle. I put it in neutral and coasted to a stop. I tried to start and it started right back up and drove fine for a few miles. Then started to have a periodic miss. Then under power the engine died again. Again I put it in neutral stopped and it cranked right back up. Everytime it would die it would be under a load pulling the trailer up an incline or accelerating. It is bone stock with about 147,000 miles on it.
It feels just like my 01 Dodge, which I traded for this truck, did when the lift pump went out and the injector pump was going out.
I had my first problem with my 03 6.0L today while towing my 9000# travel trailer. I had towed it maybe 70 miles and then started noticing weak power. As I got off the freeway and made a right turn it just died as I got back into the throttle. I put it in neutral and coasted to a stop. I tried to start and it started right back up and drove fine for a few miles. Then started to have a periodic miss. Then under power the engine died again. Again I put it in neutral stopped and it cranked right back up. Everytime it would die it would be under a load pulling the trailer up an incline or accelerating. It is bone stock with about 147,000 miles on it.
It feels just like my 01 Dodge, which I traded for this truck, did when the lift pump went out and the injector pump was going out.
Postmaster
Joined: Jul 2005
Posts: 3,956
Likes: 6
From: Abilene, Texas
You need a fuel pressure gauge to know for sure, but it sounds like you need a fuel filter. I would be willing to bet that is what it is. Be sure to use factory filters only. The "will fit" filters are known to cause problems with these trucks. In case you don't know there are 2 fuel filters on your truck the primary on the fram rail under the driver side, and the secondary under the hood next to oil filter (it's the little closest to the fender). Make sure you change them both. When you buy the filter it will have both in one package. Sorry if you already knew this but you would be surprised at how many don't.
Got Diesel?
Joined: Jan 2004
Posts: 4,345
Likes: 22
I bet it is your fuel pump (HFCM housing/pump).
Repalced mine at 158,000 miles and it gave me the same sort of "warning" your truck is doing... then it just died one day while drving down the road.
I had to get towed to the dealer.
Do not try and drive if you do get it started or just go to the dealer. Don't keep trying to "start it" if it won't... you risk injector damage from low or no fuel pressure to lubricate the injectors.
My dealer fixed in 3 hours on a Saturday morning.
Repalced mine at 158,000 miles and it gave me the same sort of "warning" your truck is doing... then it just died one day while drving down the road.
I had to get towed to the dealer.
Do not try and drive if you do get it started or just go to the dealer. Don't keep trying to "start it" if it won't... you risk injector damage from low or no fuel pressure to lubricate the injectors.
My dealer fixed in 3 hours on a Saturday morning.
