Pyrometer Guage
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Senior User
Joined: Sep 2006
Posts: 104
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From: North Van, B.C. Canada
Pyrometer Guage
Hey there,
My question is regarding my pyrometer guage.
For as long as I've owned my truck (about 4 months) I've noticed that the pyrometer guage never goes down to 0. Even after its sat in the cold all night it still sits at 200deg. It also takes a long time to get up to what I thought was normal operating temp, +300deg. On the hill climbs it goes up to 400deg. And the max ive seen it reach is 600deg. it also takes a long time to cool down. I used to let it sit at idle and wait till my EGT gets to 300 but now it takes forever to get down that much, just from 400 deg. So Im wondering if its the guage itself or the probe. Any ideas wound be greatly appreciated.
Trucks a 91 f-250 7.3L w/ATS turbo.
My question is regarding my pyrometer guage.
For as long as I've owned my truck (about 4 months) I've noticed that the pyrometer guage never goes down to 0. Even after its sat in the cold all night it still sits at 200deg. It also takes a long time to get up to what I thought was normal operating temp, +300deg. On the hill climbs it goes up to 400deg. And the max ive seen it reach is 600deg. it also takes a long time to cool down. I used to let it sit at idle and wait till my EGT gets to 300 but now it takes forever to get down that much, just from 400 deg. So Im wondering if its the guage itself or the probe. Any ideas wound be greatly appreciated.
Trucks a 91 f-250 7.3L w/ATS turbo.
Thread Starter
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Senior User
Joined: Sep 2006
Posts: 104
Likes: 0
From: North Van, B.C. Canada
Is the "thermocouple" the probe that reads the EGT in the exhaust? I dont know where it reads (either before the turbo or after) ill check in the morning.
Thanks dave ill check all the connections tommorrow (at the guage and the probe "thermocouple"?)
Thanks dave ill check all the connections tommorrow (at the guage and the probe "thermocouple"?)
