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Old November 15th, 2019, 02:56   #22
turbotuff
Newbie
 
Join Date: Oct 2019
Location: Chicago, IL
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Slight update. I've changed glow plugs, tried some hot shots fuel additive, and still have the same issue.

My group 13 numbers seems decent
I'm seeing a slight fluctuation at idle but this is pretty close for the most part

1: -0.14
2: 0.28
3: -0.05
4: -0.09

Cylinder 2 is a little higher but I shut it off then fired it back up and cylinder 3 was closer to 2 and the values are lower.

Another thing I've noticed is that at hot idle sometimes idle will get a little rough for a few seconds and will drop to 880 and then it'll come back to 903. Only thing I've noticed is while it does this, IQ drops and then rises back up after it runs smoothly again. There doesn't seem to be any rhyme or reason. It'll just happen randomly at a stop light of something. And it's not very noticeable.

I'm at a loss! I will try bumping IQ but with my hot IQ being around 3.2ish, is that really too far off?
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