Coolant Temp Sensor
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Tuned
Joined: Jun 2004
Posts: 275
Likes: 0
From: Alberta, Canada
Coolant Temp Sensor
When using AE last night I was looking through the sensor outputs and noticed my coolant temp sensor was about 50 degrees warmer than the EOT sensor. The truck is in the garage at about 45 degrees, and hasn't been started in a few days. EOT sensor read 45 degrees, and coolant read 89 degrees.
I'm assuming I have a bad Coolant Temp sensor, or is this a known issue?
I'm assuming I have a bad Coolant Temp sensor, or is this a known issue?
Postmaster
Joined: Sep 2007
Posts: 4,195
Likes: 6
From: Medford Oregon
PCM on OBS trucks do not monitor coolant temp, instead it monitors EOT. It's just a false reading and interceptor Scan Gauge does the same thing.
There is no physical wire from the coolant temp sensor to the PCM.
There is no physical wire from the coolant temp sensor to the PCM.
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BigBlue92
1987 - 1996 F150 & Larger F-Series Trucks
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Mar 27, 2011 09:10 AM
