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Old 07-21-2013, 01:59 PM   #1
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Question Atc light on.... Why? Help....

Howdy all. Been driving now for 10 hours. Texas to Canada. ATC lite just came on. Thoughts? Problem(s)?

The Johnson's

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Old 07-21-2013, 02:02 PM   #2
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It would help to know what your coach is, engine type, etc. and any other important information before attempting to offer help.

Just sayn'.

Dr4Film ----- Richard

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Old 07-21-2013, 05:16 PM   #3
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In addition to the above, what is an ATC light?
2001 34' Alpine Coach
2008 Jeep Rubicon or 2012 Ford F150 4x4 Lariat towds
or a couple of different trailers
Retired in Apple Valley, California
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Old 07-21-2013, 05:23 PM   #4
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Originally Posted by Rich and Cork View Post
In addition to the above, what is an ATC light?
Inquiring minds want to know.
Travel well, travel safe,
2006 Tiffin Phaeton - 2011 Cadillac SRX
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Old 07-21-2013, 05:42 PM   #5
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Automatic traction control.
Al & Jan--Emilee and Sophia, the pugs.
2016 Jayco Greyhawk 29MV with M & G Compressor
2013 Jeep Wrangler, M & G brake.
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Old 07-21-2013, 05:46 PM   #6
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On my unit, a Holiday Rambler Endeavor, Cummins DP, the ATC light kept coming on. After ignoring it for some time, the engine lost power like it was missing out. Long story short, the secondary fuel was clogged and needed changing due to algae growth. (Engine misfire will cause the ATC light to activate even before you can detect the miss from the drivers seat). In fact, after adding chemicals to kill the algae growth, the filter had to be changed several times. Now it runs fine. I would recommend you don't ignore this too long. I would service both fuel filters before doing anything else. It is a cheap fix compared to having a shop diagnose this for you. At least buy spare fuel filters and carry with you just in case. Don't forget the appropriate fuel filter wrenches. This is something you can do on the side of the road if you have too in an emergency, but it would be much better to have this done before roadside repairs are necessary. If you search the forums related to your unit, you should find information regarding fuel filters and ATC light. Hope this helps or at least points you in the right direction.

Phil and Katie
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