EGT temperature spiking...need help!!!!
Mountain Pass
Joined: Sep 2004
Posts: 192
Likes: 0
From: Marsing, ID
If it is on the monitor, it does make a difference. This would explain the surging. If it is on a gauge, there is something else going on.
If it is on the monitor, I would unhook the probe and run with it. If it is on a gauge, I would be looking for what is causing the surge.
If it is on the monitor, I would unhook the probe and run with it. If it is on a gauge, I would be looking for what is causing the surge.
Mountain Pass
Joined: Sep 2004
Posts: 192
Likes: 0
From: Marsing, ID
Depends on where the probe is mounted (pre-turbo or post-turbo), what power level you are running in, etc. Mine runs around the 600 degree mark on flat ground.
Posting Guru
Joined: Nov 2006
Posts: 1,059
Likes: 0
From: Herndon KY
Definitely malfunctioning sensor system, check the nut connections and for frayed wires, then look at replacing the probe. Your truck would not dorp heat like that if the temps were really high, also there would be other symptoms of that high of a temp. If you can turn the edge off, your truck will be fine to drive till you can figure it out.
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Good point, but still bogus reading.
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Mountain Pass
Joined: Oct 2007
Posts: 153
Likes: 0
has anybody had any problems like mine or any problems with egt heating up and what was the cause of heating up?
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Lead Driver
Joined: Jul 2005
Posts: 5,967
Likes: 7
From: Eccles, WV
Rus, either your manifold coupler or your gauge or both may wrong. Also, a bad ground will make the sensor read wrong. I would turn down the chip and get a temporary sensor and gauge and check it. The normal temp should be around 750 to 900. 1,300 melts pistons.
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
The "normal" temp kind of depends on mods installed and air temps. I can roll at 60 mph (about 100 kph) at under 500 sometimes on flat ground. Other times, it's a bit higher. I have spiked mine up over 1600 while chasing a gasser Chebby -- as long as you don't hold it there for long, no damage will happen. Guys that pull sleds spike theirs higher than that and their engines are surviving. Aluminum melts at about 1220* F, so keep that in mind when pulling heavy loads up a long hill. The reason you can get away with it for short durations is that it takes time to heat the whole piston up before it melts. There are also cooling jets under them as well. So you can push it for a short time, but keeping it up that high for long periods will definitely turn your piston into funny shapes.
More Turbo
Joined: Apr 2008
Posts: 639
Likes: 3
From: Indiana
I don't have any chip, but have done some research into them. I seem to remember the attitude being able to change the over-temp setting and even disabling it from the screen. At least you wouldn't have to remove anything on the road to disable the pyrometer.
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Mountain Pass
Joined: Oct 2007
Posts: 153
Likes: 0
I had it on the millage setting #1 crusing at 110 kmh when it started heating up (or acting up). Flat Ground. But i am scared to shut of the moniter incase something is going wrong and it does have a melt down! i need to get back home so i can fix it. 1062 kms to home.