Sounds like a failing coil?... - DodgeForum.com


2nd Gen Dakota 1997 - 2004 Dakota's

Sounds like a failing coil?...

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  #1  
Old 06-07-2014, 01:58 PM
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Default Sounds like a failing coil?...

Drive 8 miles to work each morning, no problem.

When driving home, warmer outside and heavier stop-and-go traffic, it's been staling near the tail end of my commute home. Has stalled 4 times in the last week, all on the way home from work, all within a mile of my doorstep.

After sitting for a couple of minutes, it fires right up and I drive the rest of the way home.

Coil, right? How is this tested?

Last edited by Hanneman; 06-07-2014 at 02:42 PM.
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Old 06-07-2014, 08:55 PM
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Mine had similar symptoms and the problem was actually the coil connector. I pulled it off and used a pick to tighten it up a little (hard to explain, but easy to see if you pull off the connector) and haven't had any problems since. Might as well try that first, since it's free.
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Old 06-07-2014, 10:53 PM
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Thanks for replying, Tom...I already checked that. Checked my grounds, too.

4 times out of 4 that it's happening in the late afternoon is more than a coincidence. Does heating up seem more likely than a loose connection?

Unsure how to test a coil, will a shop need to do that?
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Old 06-07-2014, 10:59 PM
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You can test resistance on the primary and secondary sides, but that won't tell you if it's failing when it gets hot. And for what you'd pay to have a shop do that, you can pretty much buy a new coil.

So, if I were you, I would just replace it and see if it fixes the problem.
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Old 06-08-2014, 01:08 PM
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Coils are pretty cheap these days.. Personally I would go with Delphi.. they if i remember correctly are or once were OEM to AC Delco...

Secondly is Airtex Wells which is from what i hear what BWD used to be.. bc i've had nothing but issues out of BWD parts since SMP took them over..

Rock Auto: Plus shipping..

Delphi: DELPHI Part # GN10174
$27.99
Airtex/Wells: This is also same part in the Autozone house brand for our trucks..

AIRTEX / WELLS Part # 5C1111 {Click Info Link for Alternate/OEM Part Numbers}
$29.99
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Old 06-08-2014, 01:10 PM
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I might be wrong.. i bet its the cheaper one they are selling private label to autozone..

AIRTEX / WELLS Part # 7N9 AdvanTech
$20.79
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Old 06-08-2014, 01:17 PM
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Good call on just replacing then going from there if it doesn't fix the problem.

Thanks for the parts, too.
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Old 06-08-2014, 04:14 PM
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Replaced it this morning...we'll see if that does it.
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Old 06-18-2014, 06:59 PM
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SO...

...I replaced the coil and it seemed to fix the issue. Ran fine for over a week, then suddenly it's back to the same ol' pattern...

Drive 8 miles to work each morning, no problem.

When driving home, warmer outside and heavier stop-and-go traffic, it stalled again near the tail end of my commute home.
After sitting for a couple of minutes, it fires right up and I drive the rest of the way home.

What is heating up to cause this? It can't be a coincidence that it only happens in the afternoon after driving about 8 miles in warmer weather than my morning commute.
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Old 06-18-2014, 07:20 PM
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Crank sensors are well known for this type of problem. Sensor gets hot and engine dies. Your fuel pump could also be taking a dump.
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