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  1. 6.4L Problems Forum
    I have a 2008 450 with a 6.4L. Sitting at idle, the coolant temp gauge will not rise at all, but while driving the gauge comes up to normal operating temperature. What should I be looking for? It has the appropriate coolant level.
  2. 99-03 7.3L Powerstroke Problems
    02 Ford f250 7.3 starts up, idles fine for a few minutes, then the RPM drops to around 500 then goes up to 1100 and keeps bouncing up and down for a little. Then it'll idle fine and then RPMs fluctuate again. It'll do this over and over until the temperature hits the the bottom line of the guage...
  3. 99-03 7.3 Motor Problems
    Hello, and thanks in advance for the advice... Here's the story, I just bought a 2002 f350 the temp gauge hasnt worked in it since I bought it. I have read a lot of the other threads on this subject and have done the following... I've replaced the coolant temp sensor (near the thermostat) with...
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