Engine Light on !!!??
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I just removed my fuel tank filter, full I mean full of dust, washed it out and rerouted a new vent line to under hood, this is an issue with Dodge trucks and lots of GM vehicles that travel on dusty roads. My light just came on yesterday, I had been going to reroute the vent line but hadn't, now my light is on, I am just disconnecting the battery for a reset, hope it works. LCD.
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Hope that cures the problem...if it comes back on, check the codes, if it starts spitting out all o2 sensor codes, it is the PCM, a lot of the 09's like mine did that , but i would have to let it sit and idle for a while till it came on, some of the 09's had a bad PCM and it is replaced under warranty, no problems since 09 now......let us know
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Just went thru this. Check eng lite came on, had it checked and was told it probably was a speck of carbon came loose in cyl. They reset lite and I added additive to gas tank. Lite came on again a couple of days later so back I went. Turns out I had an ignition coil going bad. Mine is a '09 with almost 70,000 mi.
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Hope that cures the problem...if it comes back on, check the codes, if it starts spitting out all o2 sensor codes, it is the PCM, a lot of the 09's like mine did that , but i would have to let it sit and idle for a while till it came on, some of the 09's had a bad PCM and it is replaced under warranty, no problems since 09 now......let us know