OK the part came in and made the appointment for installation. It was supposed to be 2 hour job so I decided to wait for it. The whole thing took 5 hours with complications.

The mechanic said after installing the injector or they call it metering valve, he cleared the error then bunch or new errors registered. He reprogram some computer and that did not help. The mechanic traced the wiring and found worn wire harness that was rubbing against the transmission. He repaired the wiring then all errors went away. He said the valve may have failed due to wiring problem. They stuck to the estimate repair price.

What I learned from this experience is I am done with bluetec, bluetec should be badge of shame. I am not touching any new vehicle that has addblue.

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2010 ML350 Bluetec
2012 Mustang Convertible