Ford's answers to the NHTSA 6.7 Investigation
There was a request for a link to Ford's answer's to the NHTSA investigation posted on a previous thread, since closed. Here is the link: Ford's NHTSA Answers to the 6.7 investigation This PDF i...
Forum Discussion
Suppose we have highly oxidized biodiesel --- causing fuel line blocking --- that would also explain some things.
What if the microbial growth happened in the fine lines after the filters, for example, plugging the micro filters?
If microfilter at N290 plugs, it is possible for the High Pressure piston to pull a vacumm --- and the return spring not be strong enough to push it back --- momentary loss of contact between cam and lobe.
That would result in a slamming of the metal --- and failure of the cam.
Another suppose:
High temperatures in fuel tank can cause metabolite products to dissolve in solution.
It then passes through filter ---- when it should be normally blocked.
Then it reforms as a clot after the filter.
That can explain why relatively large gobs can get through.
Or.. it is bioactive - and just breeds more post filter.
What if the microbial growth happened in the fine lines after the filters, for example, plugging the micro filters?
If microfilter at N290 plugs, it is possible for the High Pressure piston to pull a vacumm --- and the return spring not be strong enough to push it back --- momentary loss of contact between cam and lobe.
That would result in a slamming of the metal --- and failure of the cam.
Another suppose:
High temperatures in fuel tank can cause metabolite products to dissolve in solution.
It then passes through filter ---- when it should be normally blocked.
Then it reforms as a clot after the filter.
That can explain why relatively large gobs can get through.
Or.. it is bioactive - and just breeds more post filter.
