Stupid Pyrometer
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Senior User
Joined: Jan 2008
Posts: 322
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From: Simsbury, CT
Stupid Pyrometer
On my way home today my pyrometer crapped out on me. It was at around 400 degrees when it suddenly jumped to 1400 and kept bouncing between that and 1600 (max). I went to a side road and idled it, it kept bouncing. Turned it off and when I turned the key the hand swept from 0 to 1600 and then back to 0, when I trurned the key completly and started the truck it shot straight to 1600 degress and stayed there for the remander of the trip (15 min.) I checked the probe and it's still installed properly. What's the problem here? Bad guage?
-Thanks,
Chris
-Thanks,
Chris
Posting Guru
Joined: Feb 2008
Posts: 1,526
Likes: 1
From: Grass Valley, CA
Sounds like you have a wire grounding/shorting.
the temp. probes operate on electrical resistance...
no resistance, it thinks it's 2000+ *F
look anywhere in the wires for metal to wire contact.
the temp. probes operate on electrical resistance...
no resistance, it thinks it's 2000+ *F
look anywhere in the wires for metal to wire contact.
Post Fiend
Joined: Oct 2003
Posts: 5,903
Likes: 1
From: MICHIGAN
Bad probe IMO...Autometer....give them a call. They've had trouble with them.
Good news is, They usually send a new one right away.
Good news is, They usually send a new one right away.
Thread Starter
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Senior User
Joined: Jan 2008
Posts: 322
Likes: 0
From: Simsbury, CT
I checked the wire in the firewall last night and secured it in a different way to make sure there could be no possible wire to metal connection. Good news is that on my way to school today (30 min.) read perfectly and didn't hop around. I'll keep you guys posted if it happens again.
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