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'01 Dakota Code 455

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4 replies to this topic

#1 duval8383 (converted)

duval8383 (converted)
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Posted June 25, 2003 at 10:00 am

Does anyone know if code 455, Large (gross) leak detected in the evaporative purge system, on an '01 Dakota is covered by the emisions warranty. The vehicle has 45K on it.


#2 Tech Man

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Posted June 25, 2003 at 05:31 pm

Not necessarilly. It will all depend on what is wrong. Loose gas caps and after market caps are common problems.

#3 viper91180 (converted)

viper91180 (converted)
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Posted June 25, 2003 at 09:01 pm

t-man, im not sure about over where you are burt over here on the east side, the factory caps
are just as big if not bigger problem than aftermarket ones, and of course loose ones,
usually the vent valve in the center gets rust on it and wont seal properl y, seems to happen on the dakotas and the
rams as well,

#4 duval8383 (converted)

duval8383 (converted)
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Posted June 26, 2003 at 02:20 pm

Hi guys,

I'm in the Wash DC area. I bought the Dakota new. When it was new I replaced the orignal gas cap with a locking cap from the local Dodge Dealer (funny, it had the "S" stamped on it, should have got a Stant cap instead). I still have the orig cap which feels tighter on the tube than the locking. I ran with the orig cap on the vehicle for a couple of weeks but the code/engine light is on. Should I un-hook the battery to reset it? I did that with the locking cap and the engine light came back on after 110 miles.

The Dakota is running great regardless, I'm getting around 20.5 (best yet) on the highway at 70 MPH with the 3.9/A4 so I'm hessitant to take it in.

Thanks for the repsonses.


#5 viper91180 (converted)

viper91180 (converted)
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Posted June 26, 2003 at 07:01 pm

yes, clear the codes then try the factory gas cap and see if the leak shows up again


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