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-   -   FIXED: Return of the P0171 and P0174 (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/93637-fixed-return-p0171-p0174.html)

sunny5280 09-15-2013 11:32 AM

Quote:

Originally Posted by diddy0071 (Post 956159)
Apparently this thread went from helping in trying to pinpoint a solution, to making fun of and hoping for a show. I think I will close out and stop posting as it has now become a joke in here.

Thanks.

Goodbye.

I think you're letting one person drive this decision. I'd recommend ignoring that person and working with those of us still interested in assisting you to resolve the problem.

bcredliner 09-15-2013 11:53 AM

Quote:

Originally Posted by diddy0071 (Post 956159)
Apparently this thread went from helping in trying to pinpoint a solution, to making fun of and hoping for a show. I think I will close out and stop posting as it has now become a joke in here.

Thanks.

Goodbye.


Sent from my iPhone using Tapatalk - now Free

I sincerely apologize if you feel I have contributed to your disappointment.

I think one of the drawbacks of a forum is that it is not possible to know the quality of the input. As you have seen, another is that opinions too often and too soon begin as, or quickly become, firm declarations of solutions rather input of how to pinpoint the problem by troubleshooting or diagnosis. I try not to do so but I am not excluding myself.

As they say opinions are like a--holes, and some come from a--holes. I'm not sure that is correct but it goes something like that.

upallnight 09-15-2013 10:19 PM

Quote:

Originally Posted by bcredliner (Post 956024)
If the regulator was not destroyed by fuel coming from the opposite direction, some level of fuel would get to the engine. If the regulator was working as it should when there is demand for more fuel the valve would close--restricting fuel to the engine. The greater the demand the greater the restriction. Also, when you let off the gas the valve would have to move back to the idle position for maximum fuel flow which would slow fuel pressure recovery.

Which by the way matches to your symptoms.

If you took a Brand new fuel filter /regulator and blew through the supply feed, you can easily blow through the filter and air will come out from the other end of the filter, however if you try blowing through the return side of the filter you will not be able to blow any air to the other side of the filter.

If the lines were connected in reverse this will add an extra strain on the fuel pump and mostly likely will cause them to fail prematurely.

In most likelyhood Adrian connected the lines in reverse and this is the cause of his problem.

bcredliner 09-15-2013 11:40 PM

Quote:

Originally Posted by upallnight (Post 956274)
If you took a Brand new fuel filter /regulator and blew through the supply feed, you can easily blow through the filter and air will come out from the other end of the filter, however if you try blowing through the return side of the filter you will not be able to blow any air to the other side of the filter.

If the lines were connected in reverse this will add an extra strain on the fuel pump and mostly likely will cause them to fail prematurely.

In most likelyhood Adrian connected the lines in reverse and this is the cause of his problem.

I would say you have dug yourself a hole you can't get out of on this one. I can suggest a good movie to go with your popcorn.

upallnight 09-16-2013 08:02 AM

Quote:

Originally Posted by bcredliner (Post 956280)
I would say you have dug yourself a hole you can't get out of on this one. I can suggest a good movie to go with your popcorn.

:confused:

What hole is that?

And what movie is that?

bcredliner 09-16-2013 01:32 PM

Quote:

Originally Posted by upallnight (Post 956293)
:confused:

What hole is that?

And what movie is that?

If you are confused about what hole is that or what movie is that, explaining that to you is fruitless and will likely be deleted by the forum monitors. You're a smart guy, sit down with that popcorn and give it some thought.

diddy0071 09-20-2013 09:58 PM

Solution found. Thanks.

TerminatorX5 09-21-2013 12:35 AM

Adrian,

i am glad you found a solution... and... since the search party was rather large (look at the people trying to help, and the count of views), i am sure we are all eager to know what the solution was... and upallnight is a good guy, he just was up all night... lol...

so... what was wrong???

diddy0071 09-21-2013 12:37 AM

Quote:

Originally Posted by TerminatorX5 (Post 956888)
Adrian,

i am glad you found a solution... and... since the search party was rather large (look at the people trying to help, and the count of views), i am sure we are all eager to know what the solution was... and upallnight is a good guy, he just was up all night... lol...

so... what was wrong???

Sorry, I forgot to mention, I updated the original comment (#1) to show the issue and it's fix (or needed fix)

TerminatorX5 09-21-2013 12:43 AM

so, it was the fuel issue all along and the issue was in the non-moving part... odds of that are highly rare and i am glad you found the problem!!! did you find it, or the appointment with the mechanic helped out?


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