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R56 hpfp or in tank pump ?

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Old 12-04-2015, 07:24 AM
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hpfp or in tank pump ?

Hello all....is there a way to determine which of the two is faulty?
 
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Old 12-04-2015, 08:21 AM
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What are you symptoms. Have either of them ever been replaced? Any CEL's? If you suspect your fuel pump has failed, you can confirm the fuel pump has received the correct voltage when commanded ON by the fuel pump relay using a digital volt ohm meter (DVOM). If the correct voltage is present, but the pump does not activate, it is likely faulty. Use the DVOM in conjunction with a wiring diagram to determine the correct terminals for testing. You can access terminals under the rear seat cushion, below the access panel. Check out this NAM thread here, which may have some useful information to you about symptoms of a HPFP failure.
 
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Old 12-04-2015, 09:31 AM
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My car wont start..it turns over freely, but wont start. I suspect the pump because i don't hear the pump priming just before i hit the start button. At least i don't think i do. Its pure speculation at this point. The codes thrown are as follows:
P115C
P2187
P0341
P1497
P0073
 
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Old 12-04-2015, 10:07 AM
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It could be a result of one or it could be a number of things going on with your MINI. I'm not too certain what could be going on, but here is some information below:

P115C - Mass Air Volume Flow 'A' Too Low
P2187 - System Too Lean at Idle (Bank 1) - some info here.
P0341 - Camshaft Position Sensor 'A' Performance (bank 1) or Intake camshaft sensor: singal implausible
P1497 - Downstream Throttle Air Leak - some info here with P2187
P0073 - Abmient Air Temperature Sensor Circuit High - info here. Probably your outside temp reader is faulty.

It seems as if the system has a leak somewhere, which is indicated in a few threads on NAM that notes a few of these codes. P115C and P1497 may be resolved by replacing the valve cover. Check out this thread here. P115C here was due to a bad throttle body. Some threads I came upon with the P0341 was timing chain issues, with chains being off by a few teeth. Can read one here.
 
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Old 12-04-2015, 10:18 AM
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Originally Posted by imncrxtc
My car wont start..it turns over freely, but wont start. I suspect the pump because i don't hear the pump priming just before i hit the start button. At least i don't think i do. Its pure speculation at this point. The codes thrown are as follows:
P115C
P2187
P0341
P1497
P0073


Yes, you should here a pump prime noise when you go to unlock the doors. You have allot of codes that point to vacuum leaks and other possible issues. Are you hearing an hissing noise over the valve cover or any timing chain noise ?
 
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Old 12-04-2015, 10:30 AM
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Hissing noise over the valve cover yes.....timing chain noise no, it was done a few years back.
 
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Old 12-04-2015, 10:33 AM
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Originally Posted by imncrxtc
Hissing noise over the valve cover yes.....timing chain noise no, it was done a few years back.
So, as indicted in the thread posted and video of the hissing noise I'd say you have a valve cover issue, possibly at the PCV or other sections. You can put your ear up to it to confirm where it's coming from. Updated cover from MINI here.
 
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Old 12-04-2015, 10:38 AM
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maybe i will start there, any idea why the whole cover needs to be changed, and not just the gasket itself?
 
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Old 12-04-2015, 10:49 AM
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Originally Posted by imncrxtc
maybe i will start there, any idea why the whole cover needs to be changed, and not just the gasket itself?
If there is a crack at the PCV, you can't just replace the valve as it's built into the cover. If the crack is on top of the cover it's not the gasket. Just confirm, if you can before spending money, where the source of the leak is coming from. You could also smoke test the system to see where its source is and if there are any other leaks. It's not uncommon for the valve cover on the R56's to crack. They're commonly known to have oil leaks (see image below).

 
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Old 12-04-2015, 10:50 AM
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If its hissing the cover that has a hairline crack and leaks on top.

Seen here:

https://www.northamericanmotoring.co...acement-2.html


 
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Old 12-04-2015, 11:08 AM
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thanks for the help guys, its always appreciated.
do you think any of these codes have anything to do with the car not starting?
 
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Old 12-04-2015, 11:15 AM
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You're welcome. For sure P0073 does not. Others could contribute, but most of what I see people have these codes with a car that runs - runs rough, but runs. It's either not getting spark or fuel. Check the battery voltage and test the fuel pump, inspect the plugs, etc. Try to rule things out of the equation.
 
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Old 12-30-2015, 03:22 PM
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update:
I've learned that there is no hissing coming from the valve cover, so i will leave that as is for the time being, further more....i have spark and i have fuel....it just wont start. It turns and turns and turns, with no start. Can my thermostat be causing the car not to start? My car always took a while to actually start when i hit the start button, it never started on the first try, it always took 5 to 7 seconds. I met someone in my area who was having the same issue, and was told it was the thermostat....as soon as he replaced it, the car always started on he first try. I don't have any thermostat codes. Neither did this gentleman before he replaced it. Im wondering if this is my issue. Also, my oil dip stick is stuck, i can see that it passes through the timing chain area...now when i pull the stick in and out, (for the life of me i cant understand how this happens on these cars), i car hear it moving in the timing chain area....could the dip stick get caught in the chain somehow?? Also, i removed the cam position sensor to view the cam...now should the cam be rotating while trying to start? In my case....it does not rotate.
Thoughts?
 
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Old 12-30-2015, 03:37 PM
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Check to see if the chain is turning. I believe the cam should rotate when you start the car. I'd maybe suggest checking compression. Does the car sound weird when you try to start it? Not the normal even cranking sound, but an uneven cranking sound?
 
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Old 12-31-2015, 07:40 AM
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Originally Posted by imncrxtc
update:
I've learned that there is no hissing coming from the valve cover, so i will leave that as is for the time being, further more....i have spark and i have fuel....it just wont start. It turns and turns and turns, with no start. Can my thermostat be causing the car not to start? My car always took a while to actually start when i hit the start button, it never started on the first try, it always took 5 to 7 seconds. I met someone in my area who was having the same issue, and was told it was the thermostat....as soon as he replaced it, the car always started on he first try. I don't have any thermostat codes. Neither did this gentleman before he replaced it. Im wondering if this is my issue. Also, my oil dip stick is stuck, i can see that it passes through the timing chain area...now when i pull the stick in and out, (for the life of me i cant understand how this happens on these cars), i car hear it moving in the timing chain area....could the dip stick get caught in the chain somehow?? Also, i removed the cam position sensor to view the cam...now should the cam be rotating while trying to start? In my case....it does not rotate.
Thoughts?
The dip stick should not be struck and the cam does not move when staring ? Sounds like the chain or the timing system itself is broken. Don't start the car anymore, pull the valve cover and look at the chain itself . Then let me know what you found.
 
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Old 12-31-2015, 08:22 AM
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What should I be looking for when the valve cover is off?
 
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Old 12-31-2015, 08:36 AM
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Good :




Bad:

https://www.northamericanmotoring.co...n-to-snap.html


 
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Last edited by ECSTuning; 12-31-2015 at 08:53 AM.
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Old 12-31-2015, 08:51 AM
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The car has had the timing chain service 2 years ago..and before this no start issue, it was super quiet, never had the diesel like sound. Anyhow, I will have a look when I remove the valve cover. Do you know if the cam should rotate while attempting to start?
 
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Old 12-31-2015, 08:57 AM
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Originally Posted by imncrxtc
The car has had the timing chain service 2 years ago..and before this no start issue, it was super quiet, never had the diesel like sound. Anyhow, I will have a look when I remove the valve cover. Do you know if the cam should rotate while attempting to start?
If you look at my post above, I believe it does. How does the car sound when you crank? I'd still recommend a compression test if you are able to.

Check to see if the chain is turning. I believe the cam should rotate when you start the car. I'd maybe suggest checking compression. Does the car sound weird when you try to start it? Not the normal even cranking sound, but an uneven cranking sound?
 
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Old 12-31-2015, 09:00 AM
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It sounds normal, like it always has while starting. I've never done a compression test. What do I need to perform one? Something I can get at my local auto parts store?
 
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Old 12-31-2015, 09:06 AM
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Originally Posted by imncrxtc
It sounds normal, like it always has while starting. I've never done a compression test. What do I need to perform one? Something I can get at my local auto parts store?
Yes, I believe so. Check out systemlords post HERE. That whole thread has some useful information as well.
 
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Old 12-31-2015, 09:06 AM
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The gear should turn. i just want to double check everything, because with the dip stick stuck and cam not moving.
 
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Old 01-21-2017, 07:43 AM
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Originally Posted by imncrxtc
It sounds normal, like it always has while starting. I've never done a compression test. What do I need to perform one? Something I can get at my local auto parts store?
Did you ever resolve your problem?
 
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