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What does tow Haul do Duramax?

What does tow Haul do Duramax?

tow haul will keep the truck from downshifting and just pull hard up the hill.

How much can a Duramax 1500 tow?

Chevrolet lists the Silverado 1500 with the Duramax and 4WD as having a 9,100lb tow rating (9,500lbs if you opt for the 2WD model).

Why did my Chevy Duramax lose power under load?

Follow diagnostic chart, test system pressure, relief valve failed” so they replaced the FPRV. More limps and a year later there was a P0101 code indicating the Mass Air Flow (MAF) sensor failed so I had it replaced. The air filter was changed then too.

Can a GMC Duramax run with no trailer?

Dropped the boat, let it sit a while then it ran great with no trailer. Took it back and they replaced “some fittings”. So 2 months later, I don’t fish near enough, I drove it 8 hrs to the coast and hooked up to a boat. It ran about 5 miles. Same thing , light comes on loss of power but can feather it up to 40-50 but cant push it.

What to do when you lose power under load?

01 LB7, only non stock is air intake.I was pulling an average size boat when I got a check engine light and lost power. I could ease it up to 50 mph but if I pushed it then back down to no power. Pulled into a parts store,changed fuel filter and they analyzed it.

Why is my diesel losing power under load?

I don’t know stuff about diesels, but your truck is a couple years old. It is always a possibility. Get back with us when you get the codes, they will help narrow down the problem. You’re probably losing fuel pressure. It might be a bad fuel pump .

Why did my Duramax lose power to my trailer?

I have a 2013 Duramax. Yesterday I had my Toy Hauler hooked up to the truck and the truck was running. I was retracting the slides on the trailer and than suddenly they stopped and I lost all power to my trailer.

Dropped the boat, let it sit a while then it ran great with no trailer. Took it back and they replaced “some fittings”. So 2 months later, I don’t fish near enough, I drove it 8 hrs to the coast and hooked up to a boat. It ran about 5 miles. Same thing , light comes on loss of power but can feather it up to 40-50 but cant push it.

What causes a Chevy 2500HD to lose power under load?

Probably P0087. Check the fuel hoses at the side of the trans– they can get kinked, weak and collapse. I’ve just experienced a very similar situation with my 2005 2500HD. After driving about 2 hours, over varying terrain, I had to stop at a light (not the first on the trip).

What happens when you lose power under load?

First time out with a load. 24′ box trailer probably 8 or 9K. Going up hill fine, loses power check engine light on. Stop for a while light off next big hill same thing. I thought I had it, the air filter was plugged and actually collapsed. Replaced that next time out with the trailer same thing….. Fuel filter?

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Ruth Doyle