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[85462713]

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[donalds]

Test your coolant temp sensor
My best guess ...

 

[Fix4Dirt]

Test your coolant temp sensor
My best guess ...

^^^^^^^^^^this! next thing would be somethin like the coils or wires, but donalss has the best suggestion thusfar

 

[Mbrooks420]

Next time roll it over for 3-4 seconds for 3 times. It’ll probably start on the 4th crank. I had to do this on my old Mounty. Happened directly after welding the frame.

Was the coolant temp sensor, but I had hard starting issues when it was mildly warm for a year or two before figuring out what the real issue was.

 

[85462713]

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[Pete Deering]

Test your coolant temp
My best guess ...

? Why would the coolant temp sensor cause this problem?

 

[Mbrooks420]

It uses the wrong fuel table because it thinks the temperature is really low or really high.

 

[Fix4Dirt]

For example if it reads low it will run rich, and vice versa if too hot. what does the gauge read/can you see what the reading is?

 

[Mbrooks420]

It won’t be the dash gauge, you’d need to look on a scanner.

 

[Fix4Dirt]

It won’t be the dash gauge, you’d need to look on a scanner.

which years had just the one sensor? thought I heard of that a while back. one for the dash and engine. i know on mine ive got one for gauge one for the engine, but just wondering.

 

[85462713]

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[Fix4Dirt]

given that its reading 190 (and i assume it aint 190 where you are ) i suspect the sensor for the engine

 

[85462713]

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[Mbrooks420]

That’s definitely your issue.

 

[85462713]

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[85462713]

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[Mbrooks420]

Are you sure you replaced the right coolant temp sensor ?

 

[85462713]

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[Mbrooks420]

There’s two entirely different sensors. You probably replaced the gauge one. Was it a one or two wire sensor?

@donalds do you know which is which off hand? It’s been 15 years or so.

 

[Mbrooks420]

Did you try the three turnovers?