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2003 Chevy Silverado 2500hd

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Old 09-12-2018, 06:02 AM
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Originally Posted by Emann


imgoing to try the carb cleaner, to see if anything happens
the weid thing is if I clear the codes, sometimes the po300 code won’t come back for a couple days to a week
Old 09-12-2018, 06:44 AM
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Originally Posted by Emann


the weid thing is if I clear the codes, sometimes the po300 code won’t come back for a couple days to a week
forget that I was on my way to work , I accelerated to pass a car and my engine light started flashing, then I ran the code scanner and I had a po300 code come up, my engine light has only flashed in tow mode right before 3 gear and about 3000 rpm, now this is the first time in overdrive
Old 09-12-2018, 02:15 PM
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Originally Posted by Emann
forget that I was on my way to work , I accelerated to pass a car and my engine light started flashing, then I ran the code scanner and I had a po300 code come up, my engine light has only flashed in tow mode right before 3 gear and about 3000 rpm, now this is the first time in overdrive
Check fuel pressure. If it is running lean because the fuel pump is going bad you'll have lean misfires.
Old 09-26-2018, 08:23 PM
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Default Temperature gauge

My temperature gauge on my cluster went up to hot, when first stared then every time after that started moving more around, it is pointed down now, my scanner says my temperature is running perfect, is it my gauge on my cluster or something else?
Old 09-27-2018, 01:50 AM
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Originally Posted by Emann
My temperature gauge on my cluster went up to hot, when first stared then every time after that started moving more around, it is pointed down now, my scanner says my temperature is running perfect, is it my gauge on my cluster or something else?
2003 still had gauge-cluster issues, The stepper motor probably went bad.
Old 09-27-2018, 08:05 AM
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Originally Posted by CathedralCub
2003 still had gauge-cluster issues, The stepper motor probably went bad.
Yes time to change the stepper motors. My parents 03 went bad and I replaced the motors and while I was in there soldered new led lights because the other lights where going out one by one. When all was said and done everything started working back as normal.
Old 10-06-2018, 07:39 AM
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I changed the step motor but still is not working, I plugged the connector into the cluster for the second time and it moved all the way around to the max out point, ??
Old 10-06-2018, 01:31 PM
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That'* odd. Did you check to see if your temp sensor was working correctly
Old 10-06-2018, 01:54 PM
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My temperature is running normal on my scanner
Old 10-06-2018, 03:12 PM
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Check the temp sensor to make sure it is working. Your sensor I believe controls your gauge in the cluster.


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