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Engine misfires, guages drop at cruising spd

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Old 10-23-2011, 04:49 PM
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Default Engine misfires, guages drop at cruising spd

First time poster - I have a 2007 300. At 25-30 minutes into freeway driving, the motor misfires or momentarily loses power and the speedo and tach needles drop to 0 and return to normal in the blink of an eye. Any idea where I should start looking or whether it is serious?
 
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Old 10-24-2011, 12:54 AM
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Just a couple symptoms are not near enough to even guess at what it might be on a computer controlled car. Any other info at all? Tach and Speedo are bussed info to the cluster from other modules.
 

Last edited by TNtech; 10-24-2011 at 01:05 AM.
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Old 01-06-2013, 01:49 PM
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Pull the OBDII codes. It might be as simple as cps.
 
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Old 02-28-2013, 04:49 AM
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Smile Engine misfires, guages drop at cruising spd

New poster - I have a 2007 300. At 25-30 moments into highway generating, the engine misfires or briefly drops energy and the speedo and tach small needles fall to 0 and come back to regular in the flicker of an eye. Any concept where I should begin looking or whether it is serious?
 
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Old 07-10-2016, 03:38 AM
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Originally Posted by GCOhio View Post
First time poster - I have a 2007 300. At 25-30 minutes into freeway driving, the motor misfires or momentarily loses power and the speedo and tach needles drop to 0 and return to normal in the blink of an eye. Any idea where I should start looking or whether it is serious?
Hi, did you find the fault to this problem? My Chrysler grand voyager is doing the same. Drives fine up to about 10miles in then starts to mis Fire and then also stall when aproaching a roundabout or about to stop. Error codes are
P0184
P1388
P1389
P0601
Any help or suggestions would be great full thank you
 
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Old 07-10-2016, 12:24 PM
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sorry guys I have been ill with food poison for two weeks and not enough energy to help out.
 
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