High Pressure Fuel Pump failure symptoms - MINI Cooper Forum

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post #1 of 9 (permalink) Old Jan 13th, 2014, 09:27 PM Thread Starter
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High Pressure Fuel Pump failure symptoms

When the HPFP is having failure problems or is dead, what are the symptoms that the driver might face? Or in other words what will the driver experience in order to be certain of it the HPFP's failure?
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post #2 of 9 (permalink) Old Jan 18th, 2014, 09:48 AM
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One common symptom is the rev-o-meter shakes at idle or the engine cuts off soon after start-up. If a scan tool is hooked up during engine start-up, there would be a consistency in the expected and actual fuel pressure.

EDIT: The above scenario only occurs on cold start-ups.
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post #3 of 9 (permalink) Old Jan 18th, 2014, 11:23 AM Thread Starter
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Originally Posted by ozmusafir View Post
One common symptom is the rev-o-meter shakes at idle or the engine cuts off soon after start-up. If a scan tool is hooked up during engine start-up, there would be a consistency in the expected and actual fuel pressure.

EDIT: The above scenario only occurs on cold start-ups.
What if there is a lack of this symptom and loss of boost over 3000revs? And this loss of boost is a come and go issue, it might happen for a month and then will go away for a couple of days and then come back again!
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post #4 of 9 (permalink) Old Jan 18th, 2014, 08:31 PM
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You may have either a boost leak somewhere at a coupler, or, most likely a faulty diverter valve. The diaphragm in the stock diverter valve's tear. If you are certain it's a boost issue, that's the first thing I would look at. It's common enough.

Also, are you getting a check engine light in the dash? And have you had a scanner hooked up to the car for codes?
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post #5 of 9 (permalink) Old Jan 18th, 2014, 08:34 PM
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MINI issued a 10 year/120K mile warranty on the High Pressure Injection Pump because they commonly fail. If you are within that time/mileage you will not pay for that fix.

EDIT: Warranty is provided in America only.
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post #6 of 9 (permalink) Old Jan 19th, 2014, 02:36 PM Thread Starter
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Originally Posted by ozmusafir View Post
MINI issued a 10 year/120K mile warranty on the High Pressure Injection Pump because they commonly fail. If you are within that time/mileage you will not pay for that fix.

EDIT: Warranty is provided in America only.
Thanx for the info but unfortunately, im not in America, how unfair is this?
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post #7 of 9 (permalink) Old Jan 19th, 2014, 02:39 PM Thread Starter
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Originally Posted by ozmusafir View Post
You may have either a boost leak somewhere at a coupler, or, most likely a faulty diverter valve. The diaphragm in the stock diverter valve's tear. If you are certain it's a boost issue, that's the first thing I would look at. It's common enough.

Also, are you getting a check engine light in the dash? And have you had a scanner hooked up to the car for codes?
Yes its a check engine light in the speed dash. P2187 is the code for that error that comes up. Any ideas?
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post #8 of 9 (permalink) Old Jan 19th, 2014, 05:39 PM
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Yes its a check engine light in the speed dash. P2187 is the code for that error that comes up. Any ideas?
The code P2187 system too lean at idle bank 1.(Too lean at idle= not enough fuel per the amount of air when the engine is idle.) Possible issues MAF, low fuel pressure, vacuum leak engine or failed heated oxygen sensor bank 1. Also could be the High Pressure Fuel Pump is failing

You need to be looking mainly at the HPFP and dirty injectors. Do you have an after market rubber flexible air intake hose? These can intermittently cause that code to be thrown. I would check also the intake tubes and intercooler tubes.
Unless you are mechanically inclined I would take it to a MINI mechanic or the dealership.

I am betting it is your HPFP though.
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post #9 of 9 (permalink) Old Jan 30th, 2014, 11:35 PM Thread Starter
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I am betting it is your HPFP though.
How can i be 100% certain its the HPFP or not? Is there someway to check for certain?
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