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"600" Bad Injector And Drivetrain Vibration

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APPS recalibration/reset

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Well I finally had enough of the injector knocking, doing it all the time at idle so I took it in to dealer. I got a call today that it was a bad #3 injector and they will be replacing it once the part get to them, probably Thursday. They said it was running at 90% and they even swapped it to hole #1 and it did the same thing... so star said to get a new one. I willl keep everybody informed as to mileage increase after the injector is changed out as im getting 12-13 average right now. .



They test drove it again and did infact notice the vrrrrr. vrrrrrr. vrrrr at 1900-2200 rpm with my 315's that is about 80 mph at its worst vibration, they then proced to take my tires and wheels off and put on a set of stock tires only to find the injector thing and not wanting to tear it apart again didnt test drive it, but they will once the #3 hole is filled and then proceede to diagnose the vibration, again I will keep you informed as to thier findings...



I have had these issues since new and had finally had enough of it, took it in last Friday and demanded that they be fixed or we can start discussing a buy-back... . I have had my fair share of probs with the 3 rams I have owned, but every one I have brought up to fix has infact been a real problem and usually I know the fix before the tech... helping out with TSB #'s and such, its just to bad DC has the service depts hands tied for normal service and we have to become a-holes in order to get things fixed... . so far my service guy and tech have been outstanding to work with and have gone the extra mile in my situations... I would recomend my dealer to anyone... Doug Smith in American Fork Utah... .
 
Great to hear they found the injector problem for you. Do you know the procedure they used to find which injector was bad? My 04 has a knock as I come off idle and clears up once I get some rpm. I could use the info. to pass on to my dealer tech. :)
 
They can shut off an individual injector and some how they can see how it is firing compared to the others and its efficiency, the Star people had them run thru a series of tests and found it, hell I found it 4k miles ago :) They will need to contact star... .



Doug
 
I have my 04. 5 600 in for the third time, I took it to the dealer i bought it from 150 miles away but they called today and said they think its a bad injector and will know more tommorow, it was reflashed twice and still has cold start up issue and very little power, hopefully they will do a beter job at resolving the problem than the local dealer
 
Originally posted by 700rmk

They can shut off an individual injector and some how they can see how it is firing compared to the others and its efficiency, the Star people had them run thru a series of tests and found it, hell I found it 4k miles ago :) They will need to contact star... .



Doug



Thanks a bundle 700rmk. ( Snows not deep enough these days eh!!);)
 
Well I got it back from the dealer... .



Where should I start...



I think my next step on the drivtrain vibration is going to be six states and get them both balanced... . cause they tell me its my tires and wheels... funny thing is I have aftermarket tires, the vibration was worse with stock tires, so does that mean I have bad wheels? I dont think so... .



They did replace injector #3, and so far no improvement in fuel readings... . but give me a week... . oh and the knock noise is still there... . I give up.....





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