HELP!!! No power!!!
Cargo Master
Joined: Mar 2010
Posts: 3,326
Likes: 292
From: Laramie, WY
I tape the fuel pressure gauge to the windshield and go for a quick drive. In the driveway fuel pressure issues aren't always too clear, but a hard acceleration shows pressure issues clearly.
I went on a 1000 mile trip in a Tundra last year. I didn't think we were going to make it home as the truck started to run poorly uphill (on a high pass outside Leadville, CO no less). Had about 1/4 tank of fuel in the heat of the day. Scanner showed lean condition under moderate load (pegged the AFR at over 18:1!). Stopped for a while, temperatures dropped, I filled the tank, and it ran perfectly fine for 200 more miles. Fresh fuel (cold!) and cooler air temps masked the dying fuel pump. Obviously it wasn't ok. Driveway tests of fuel pressure looked good. Hard acceleration onto interstate showed pressure falling off to 20psi, at which point AFR readings went sky high and my face would about bounce off the steering wheel.. New fuel pump and that truck, last I heard, was running great.
I'd start with a filter replacement, especially if the problem occurs with both fuel tanks.
I went on a 1000 mile trip in a Tundra last year. I didn't think we were going to make it home as the truck started to run poorly uphill (on a high pass outside Leadville, CO no less). Had about 1/4 tank of fuel in the heat of the day. Scanner showed lean condition under moderate load (pegged the AFR at over 18:1!). Stopped for a while, temperatures dropped, I filled the tank, and it ran perfectly fine for 200 more miles. Fresh fuel (cold!) and cooler air temps masked the dying fuel pump. Obviously it wasn't ok. Driveway tests of fuel pressure looked good. Hard acceleration onto interstate showed pressure falling off to 20psi, at which point AFR readings went sky high and my face would about bounce off the steering wheel.. New fuel pump and that truck, last I heard, was running great.
I'd start with a filter replacement, especially if the problem occurs with both fuel tanks.
Logistics Pro
Joined: Aug 2010
Posts: 3,716
Likes: 583
From: Chillicothe
it must have been a real bad pump. Hell, an engine doesn't need much fuel up there anyway, It would have never pulled a hill at sea level lol. There's barely enough air for me to walk a hill at that elevation. Used to hunt up in Rifle,CO years ago it's just up the road another couple hours.
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New User
Joined: Feb 2017
Posts: 23
Likes: 0
Problem solved!!! It turned out to be a timing issue. When we set the timing I didn't know to unplug the spout plug. So when I checked it again with it unplugged it was 30° BTDC. Adjusted the timing and *POOF* it runs like a top!
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