Used the scan tool at Advanced today to check things out

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newbie78

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I got codes

p0118 and p1115 high voltage coolant temp sensor circuit and intermittent high voltage

Not sure if that has to do with me starting the truck once when i forgot to plug the sensor in? I also plugged it back in when the engine was running but i'm not sure cant remember.

My other codes in the history are p0172, p0175 and p0300 I think this may be related to the coolant temp sensor?

Also did live data and got this:

Map - lb 1.02-1.04
Map - HG 10 - 10.3

advance ingnition timing 22.5-30

ftrm

st1 -17
st2 -5

lt1 -18
lt2 -18

fuel sys1 closed
fuel sys2 closed

intake air temp 113 F

coolant temp 198 F but my gauge was showing one dash above 210


Does anything look odd in the live data? Not sure what it all means. Fuel trim looks weird with one being -5


sorry for all the questions but thanks:happy3:

---------- Post added at 05:30 PM ---------- Previous post was at 05:24 PM ----------

Forgot to say the idle was reading between 622-651 RPMs but my gauge was showing 800 roughly.

I think my gauge cluster is off on everything. I got one out of a junk yard and swapped it because the fuel gauge on my orignal was going nuts. Didn't cure that problem but now the gauge stays in one spot most of the time. The original would flip around and upside down and hit the oil pressure gauge.

I'm going to see if i can just swap the stepper motor for the fuel gauge and put it in my original gauge cluster.
 
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newbie78

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I would clear the codes and run it some more when the ECT sensor is on and working.

I did clear the codes and it drove real good on the way home. Started it up today and the check engine light kept flashing then finally stopped and stayed on.

The parts are on their way I can't wait! Should be here by Tues.
 

SunlitComet

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If it was actively flashing then you had a continuous misfire and the misfire history will tell you exactly what cylinder(s) to look at.
 

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