Fuel economy is total garbage

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Dec 29, 2019 | 07:22 PM
  #11  
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Originally Posted by Moparite
No response to post #4 (ANY CODES) If the motor is not getting up to operating temp it will set a code! And if there are any other issues it will let you know also.

Maybe, maybe not. I had a '97 with a bad failsafe thermostat and it only a code for an O2 sensor.
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Dec 30, 2019 | 08:21 AM
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Originally Posted by ol' grouch
Maybe, maybe not. I had a '97 with a bad failsafe thermostat and it only a code for an O2 sensor.
The older trucks were a lot less sensitive to that. They apparently really didn't care overmuch if the engine didn't get to temp, the 98 and up trucks were a little more picky, 00 and up were a LOT more picky.
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