Cm871 repeated same injector failure

[Rawze]

Some of those injectors should have been covered under warranty. How much you want to bet they turned them in for a claim? -- I hope they didn't charge you and gave you credit for them. Stealerships are notorious for this. Making a warranty claim behind customers backs and charging customers for the work too.

I smell a rat somewhere on this one. Something is missing from this picture you are painting for us. Someone somewhere is not doing something, or perhaps those morons ripping you off are putting bad injectors in the same hole over and over and not bothering to do some good-old fashioned troubleshooting and taking you for your money instead. That is my theory, hopefully I am wrong about that.

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Inderjit, You say you have a CM871 in a 2010 prostar. It looks to me like your problem is 2-fold ...

ONE, you have a repeating problem/failure with the injector for cylinder #6 in your engine. I will assume for now that you are in fact loosing the injector for cylinder number 6 over and over, and that there are no other symptoms (not likely). I will also assume for a moment you have not been mis-informed ...

I only make those limited assumptions based on what you are posting etc. because I do not have engine E.S.P. ...

TWO,... This surmises that you have been taking it to a bunch of morons. I can see one injector failing,.. then ok, two, but at that point you know the problem is much bigger. If everything looked great on a boroscope, and you put an old injector in it and cylinder #6 fails AGAIN a third time with an older injector, piston and liner look good, no excess blowby ... Your problem at that point is very obvious!!!---- YOU GOT A PROBLEM IN THE HEAD!


If I were working on it and my truck did that the next move would be to REPLACE THE HEAD!!!!! with a brand new one (taking no chances there) long before I got to the 4th injector failure! and especially --- LONG BEFORE I SPENT $18,000 DOLLARS!!!! --- THAT IS ABSOLUTELY RIDICULOUS!!!. Last I checked, I am actually out here to make money with my truck,... Not lolly-gag around only to be jerked off by some dealer too lazy to do what is right.

So,.. the second problem you have is --- YOU HAVE BEEN TAKING IT TO THE WRONG PEOPLE TO HAVE IT FIXED! -- AND THEY SHOULD HAVE REPLACED THE HEAD LONG BEFORE YOU GOT TO 5 OR 6 FAILED INJECTORS, ESPECIALLY IF THE OLD INJECTORS WERE FAILING IN CYLINDER NUMBER 6 TOO AND THE NEW INJECTORS WERE WORKING JUST FINE IN THE OTHER CYLINDERS!.