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04-16-2012, 08:28 AM | #61 | ||
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Re: Chevy Colorado Issues
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All the best, Sarah GM Customer Service |
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06-04-2013, 10:24 PM | #62 | |
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Re: Chevy Colorado Issues
well Maybe someone can help me with this one i'm fairly certain the problem is the ecm/PCM but I just wanna check. Anyways its an 05 Colorado with the vortec 3.5 5 cyl, automatic tranny. so about 2 months ago it started to pop up the Fuel tank pressure switch code, I ignored it. Well then about a week later it switched to the Engine coolant Temp sensor code, this is when I got worried well next time I had it in my shop I checked and the Fuel tank Pressure senor code was back on so I dropped the tank to find that the wires going to it were in fact bad, so I soldered the connections back. Well after this the ECT code came back for about a day then switched to the Throttle position sensor codes P2135 and P2138 and in addition to this the 5 volt reference code P0641 (or 614 cant remember) popped up now its stuck in power reduced mode (or as my friends like to call it Eco mode). Well I checked all the wiring for visible signs of damage to no avail. Then I checked voltage at the switch connector, one circuit read about 4.98 volts the other read at 1.25. So I uncovered the wiring harness from the EMC/PCM Found the wire I was lookin for and sliced a small cut into it to check voltage. It Read 1.28 volts. In my experience this would lead me to believe either a bad connection or the PCM is bad, well I checked the connector for an visible signs of damage or heat, etc.. nothing, Any other ideas cause I really don't want to drop the money on a new PCM if that isn't the problem.
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06-12-2013, 09:11 PM | #63 | ||
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Re: Chevy Colorado Issues
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06-13-2013, 02:09 PM | #64 | |
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Re: Chevy Colorado Issues
That's one thing I was told to do by the long time mechanics in the area and I did all of that and it didn't change, even tried replacing the battery cable and nothing its still in the same power reduced mode as before.
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06-13-2013, 03:46 PM | #65 | ||
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Re: Chevy Colorado Issues
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make sure the fuse box is with good secure wiring connections also the fuses fit tight. |
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02-02-2015, 07:28 AM | #66 | ||
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Re: Chevy Colorado Issues
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02-03-2015, 07:39 AM | #67 | ||
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Re: Chevy Colorado Issues
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what you need to do to get help here on these forums is to make a post with your issues. give all the vehicle details like yr/model/miles/issue/what you did/what repair shop did/ your abilities... then fellow members will step in and give you direction to resolve this for as cheap as possible.. kind of surprised dealership did not do anything ....they must of charged you at least a couple hundred.. |
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