SHIFTING

2007 Dodge Charger

Tiny

Dale Voelz

December, 12, 2010 AT 1:47 AM

2007 Dodge Charger 2.7L, during acceleration @ 40MPH the car "sputters and shakes". No engine service lights are on, so its not an vaccuum problem.

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7 Answers

Tiny

Jacobandnickolas

December, 15, 2010 AT 4:37 AM

Does it feel like the transmission is slipping, not shifting, or an engine miss?

Tiny

Dale Voelz

December, 16, 2010 AT 2:00 AM

The transmission is shifting fine and not slipping. It seems like the results of a stuck EGR valve, but no lights are on. It only happens during gradual acceleration and only @ 40MPH. If I accelerate faster through it, it is almost unnoticeable. If I hold it @ 40MPH, its continuous and does feel like engine miss, if I back off a bit and accelerate through it, nothing.

Tiny

Jacobandnickolas

December, 16, 2010 AT 2:59 AM

Have you removed the EGR to see if there is a carbon issue?

Tiny

Dale Voelz

December, 21, 2010 AT 6:37 PM

Removed EGR, cleaned, re-installed, no difference.
It now seems like the "vibration and sputtering" is more evident at other speeds, but still only during gradual acceleration. I had a local shop drive it and they concluded that its a transmission issue that requires a total rebuild?

Tiny

Jacobandnickolas

December, 21, 2010 AT 6:45 PM

I reread everything we discussed. It is hard to diagnose a problem when I'm not there. I have to say, however, if the trans was slipping, it should be more noticeable under a heavier load. I hate to say it, but I feel a second opinion is a good idea.

Tiny

Dale Voelz

January, 6, 2011 AT 2:43 AM

I had a diagnostic run on the vehicle that verified that the transmission was producing the "shuddering". Three possible causes were faulty trans fluid, wrong trans fluid added, or a possible computer program error. I researched some Dodge service bulletins and found #2100208 that matched the symptoms. I brought it to a local Dodge dealer who performed a "flash" on the Control Module that has corrected the problem. Question; Could this have caused hidden transmission damage that might not show up until later? I also want to thank you for taking the time to offer your opinions! I really appreciate it.

Dale

Tiny

Jacobandnickolas

January, 6, 2011 AT 1:15 PM

Honestly, it should be fine. The updates seem to have taken care of the issues without new problems.

Let us know if you have questions in the future.

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