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hi to everyone

my problem is this i have a 07 NOX bought it brand new in 07 the other day it passed 80000 and thats when this problem started to occur

the rpms keep going up and down from a 1000 to 500 and when it drops to 500 it seems the truck shuts off but it does'nt if you let go of the gas it will rev up to a 1000 and it will go

the check engine light came on the other day and then when i got home after going to pick up my mom from work it was off now yesterday a few more lights came on the check engine light the service stabilatrak and reduce engine power plus it was doing the RPM thing so i got to the gas station were i was headed literally 5 mins up the road got there turned it off was in the store for about 5 mins came out and all the lights were out after i started it

any suggestions i dont think its something to major i honestly believe it could be some plugs and wires since its never had that done since we had it if somebody could help it be greatly appreciated
 

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The first thing you need to do is pull the codes and see what is happening. A dealer will do it but they will charge you. I believe Auto Zone will hook up a code reader for free and let you know what codes have been set.
 

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Some possibilities are a partially clogged fuel filter, faulty fuel pump, problems with thE ECM etc.. But like Black Granite said, you won't know for sure until you get the code or codes..
 
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