another autometer electric gauge issue.. Cobalt C2 series
#1
another autometer electric gauge issue.. Cobalt C2 series
ok I have autometer Cobalt C2 electric gauges on my 1999 F250. I have 0-30PSI boost, EGT, and Trans Temp. all gauges shine the same bright blue level. My boost works great moves like it should and my truck maxes out at 24PSI. Trans temp again moves the way it should, no issue. EGT... well that's a different story. for the first 2 months worked as it should, but recently it just spikes around however it wants to. only time its steady is if i am on the highway at a steady speed for more than 20 minutes then it operates like it should. I dont even know where to start trying to figure out what is wrong. i checked to make sure the probe is in there correctly, and it is... dunno what else to look for. Please help me. next month i have a dyno day to go to, and dont want to risk grenading anything due to a gauge that isn't working properly. Only time i know the EGT's are getting to high is i get a check engine light right at 1300, and i dont like seeing that.
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#5
gotcha. im about to go out and rewire my glow plug wait light so i will do this at the same time.
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im wondering. all i had at the time was speaker wire.. i wonder if that has something to do with it. im about to switch to actual wiring.
---AutoMerged DoublePost---
im wondering. all i had at the time was speaker wire.. i wonder if that has something to do with it. im about to switch to actual wiring.
Last edited by ZombieSoldier; 03-10-2012 at 10:14 AM. Reason: Automerged Doublepost
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#8
The reason it seems to be related to the EGT's is because the only way you can reach 1300* is to ROD on it hard, which normally pegs the HPOP and sets the code.
Nothing Tony can put in the tuning to trigger a SES light based on EGT's because the PCM has no way of knowing what EGT's are.
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