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Hitting Rev limiter

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Old Aug 3, 2018 | 12:24 AM
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Default Hitting Rev limiter
So I have a ‘03 Durango 4.7 L and it has been hitting a rev limiter while in every gear. It gets to 3,500 RPMS and hits it. Plus, it will randomly shut off going down the road. Plus, it has an incredibly hard time taking off. It feels bogged down and the RPMS increase very slowly. Any ideas of the problem? I replaced my ECM module for a brand new one, pre-programmed to fit my specific Durango. Still having the issue though.
 
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Old Aug 3, 2018 | 06:20 AM
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sounds like your in limp mode, should be a check engine light for that, hook up a scanner and see what it says.
 
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Old Aug 4, 2018 | 12:05 AM
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Sounds like a plan, thanks
 
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Old Aug 11, 2018 | 12:44 PM
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had the same thing happen a while back after changing a coil pack that was bad. Ended up being a bad connection in the harness going to the coil pack..
 
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Old Aug 11, 2018 | 08:17 PM
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I figured out what it was. It was the crankshaft position sensor. Thanks guys
 
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Old Sep 4, 2018 | 08:42 PM
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what brand crank sensor did you use so far the three I have used don't work
\
 
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Old Sep 4, 2018 | 09:04 PM
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OEM Mopar part. Our trucks don't generally care for the aftermarket fellers.
 
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Old Sep 5, 2018 | 12:07 AM
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He is correct, it’s OEM Mopar. Bought from advance auto parts
 
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Old Sep 5, 2018 | 08:12 AM
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Advance sells OEM mopar? That's new.
 
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Old Sep 6, 2018 | 10:33 AM
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NAPA sells OEM picked one up last night for $39.99 part # ECH CSS620
 
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