check engine light
12-11-2018, (Subject: check engine light ) 
Post: #1
check engine light
i have a 2007 peterbilt 379 with a isx 565 and 18 speed. i have a flash code 554 that’s came and gone a couple times today. does anybody know what the problem is
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12-12-2018, (Subject: check engine light ) 
Post: #2
RE: check engine light
Im not finding a flash code 554


User's Signature: It's hard to win an argument with a smart person, but it's damn near impossible to win an argument with a stupid person
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12-12-2018, (Subject: check engine light ) 
Post: #3
RE: check engine light
not sure if this is the right place but need some help..got a inactive code showing of 2387 .vgt actuator driver circuit (motor) mechanical system not responding or out of adjustment...any body have a cle what might be going on
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12-12-2018, (Subject: check engine light ) 
Post: #4
RE: check engine light
Your actuator has taken a dump....just helped a friend out with this exact code.
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 Thanks given by: opey450r
12-12-2018, (Subject: check engine light ) 
Post: #5
RE: check engine light
.is there any way to find out if it did take a dump..i have a load on me how long can i run it with out doing any more damage to my truck i have 43 k in the box going to hope mill nc
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12-12-2018, (Subject: check engine light ) 
Post: #6
RE: check engine light
It will come and go till if finally siezes...best get it done asap.
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12-12-2018, (Subject: check engine light ) 
Post: #7
RE: check engine light
should i try in fix it my slf or make the dealer fix it should still be coved under the warranty
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12-13-2018, (Subject: check engine light ) 
Post: #8
RE: check engine light
It will most likely need to be an active code before they'll touch it.
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12-13-2018, (Subject: check engine light ) 
Post: #9
RE: check engine light
so pretty much it would have to go all the way out befor they would they would do any..would it mes anything els up if i run it a couple of days tell i can get me a new one..what causes it to do out i only have 343k on the motor
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