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Old 09-30-2010, 12:43 PM   #1
HPF Chris
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Thumbs Up HPF Troubleshooting Guide - UPDATED

I have asked my techs to spend the past two weeks updating our troubleshooting guide to include as many possibilities as they can. I'm going to make this available on our site but wanted to give all of our HPF customers the opportunity to make comments and add their own experiences to it first. In the near future we will produce videos on how to test many of these scenarios listed below and the troubleshooting guide will link to them.

Here's an opportunity for you to share your tech savvy knowledge with us. Feel free to post up your experiences and things you've found to cause these issues and I'll add them to the list.

Vehicle Startup
Vehicle does not crank over
-Faulty battery
-Faulty starter
-Engine seized
-Insufficiently secured ecu wiring
-Faulty clutch switch
-Faulty ignition switch
-Faulty key
-Faulty Dme
Vehicle does not start.
-DME Cover on too tight causing short
-Insufficient battery voltage.
-Connectors at the ECU and jumper box are not inserted fully or correctly.
-Pressure or vacuum lines are installed incorrectly.
-Wire harness is not installed correctly.
-ECU pins are damaged.
-Vehicle is flooded
-Faulty fuel pump
-Faulty jumper box
-Faulty ecu
-Faulty coils
-Faulty Iac
-Eml Light
-Faulty Ignition switch
-Faulty key
-Faulty Dme
Vehicle Running

Vehicle smokes blue
-Oil pump is not running.
-Oil pump wiring (+/-) is backwards.
-Oil/Fuel pump harness connectors or pins are not inserted fully.
-Oil lines are clogged.
-Oil pump fuse on the ECU assembly is blown or missing.
-Oil /Fuel pump harness not grounded properly.
-Faulty oil scavenge pump
-Faulty turbocharger
-Damaged engine
-Oil overfull
-Damaged oe oil condenser
-Damaged oil condenser drain line
Vehicle smokes black
-Pressure/Vacuum lines are installed incorrectly.
-Wideband O2 sensor faulty
-Map sensor faulty
-Map sensor and boost gauge sensor wiring inverted
-Fuel injector(s) faulty
-Damaged turbo
-Incorrect fuel
Vehicle smokes white
-Damaged turbocharger
-Damaged engine
-Incorrect fuel
Vehicle Overboosts
-Boost solenoids are wired incorrectly.
-Waste gate lines are plumbed incorrectly.
-Map sensor faulty
-Boost gauge sensor faulty
-Boost solenoid(s) faulty
-Exhaust system change
-Waste gate faulty
-Waste gate plumbing severed
-Ecu wiring insufficiently secured
-Vacuum caps not installed in wastegate
-Faulty ecu wiring
-Faulty ecu
-Clogged/damaged wastegate system
-Incorrect fuel
Vehicle Underboosts
-Boost solenoids are wired incorrectly.
-Couplers are not secure.
-Boost/Vacuum lines are not installed correctly or leak.
-Exhaust system is too restrictive.
-Blow off valve(s) are stuck in an "open position".
-Map sensor faulty
-Boost gauge sensor faulty
-Boost solenoid(s) faulty
-Waste gate faulty
-Waste gate plumbing severed
-Ecu wiring insufficiently secured
-Faulty ecu wiring harness
-Faulty ecu
-Leak in wastegate system
-Leak in exhaust prior to turbo
-Damaged engine
-Faulty turbo
-Faulty boost gauge/sensor
-Torn coupler
-Damaged/insufficiently secured intake manifold
-Damaged intercooler or intercooler piping
-Damaged Iac system
Consistent/Excessive backfire
-Exhaust manifold bolts are not torqued to specification.
-Copper seals in the exhaust manifold are not present or are damaged.
-Engine is revving too high and hitting the rev-limiter.
-DSC is activating.
-Exhaust gaskets are damaged/missing
-Downpipe leak
-Exhaust system leak
-Wastegate system leak
-Incorrect fuel
Consistent Misfires
-Spark plugs are not torqued to specification.
-Coil pack(s) are bad: Note: BMW has issued a service bulletin on coil packs manufactured by BREMI.
-Spark plugs are gapped incorrectly.
-Wire harness is installed incorrectly.
-ECU pins are damaged.
-Map sensor faulty
-Boost/vacuum line severed
-Fuel pressure regulator faulty
-Faulty/Damaged spark plugs
-Engine damage
-Damaged ecu/dme jumper box
-Damaged HPF wiring harness
-Incorrect fuel
-Vanos Damaged
-Damaged coil harness or loose coil harness ground
-Loose Dme wiring harness
-Loose Hpf wiring harness
-Faulty fuel injectors
-Vacuum leak
-Fouled spark plugs
-Damaged battery/charge system
-Clogged fuel filter
Frequent Knock Siren or Detonation
-Fuel is of an incorrect octane.
-The fuels octane does not correspond with the race gas switch position.
-Wideband O2 sensor faulty
-Map sensor faulty
-Injector(s) faulty
-Fuel pump faulty
-Knock sensor faulty
-Knock circuit "noisy"
-Emi noise
-Weather conditions in EX: Hot outside
-Bad/contaminated/not 100% methanol
-Faulty methanol pressure sensor
-Faulty oe fpr/fuel pump
-Clogged fuel filter
-Damaged fuel pump or fuel pump wiring
-Faulty knock sensor
-Fuel pump wiring incorrect
-Faulty ecu
-Faulty jumper box
Vehicle abruptly looses power
-DSC is activating
-EMS faulty
-VSS connector by DME unplugged
-Wiring not sufficiently secured
-Reaching boost cut threshold
-Low fuel level
-Damaged methanol system
-Damaged turbo
-Damaged engine
-Incorrect fuel type
-Faulty map sensor
-Boost leak/torn coupler
-Intake manifold not secure
-Faulty fuel pump
-Faulty fuel pressure regulator
-Faulty fuel pump relay
-Faulty throttle motor
-Short in throttle circuit
-Eml light
Idle Surges/Issues
-Vacuum leak
-Vehicle is experiencing lean condition
-Idle needs to be recalibrated
-Faulty iac/damaged lines
-Faulty oe fuel pump
-Faulty fuel pressure regulator
-Dme needs newest update
-Faulty/Clogged fuel injectors
-Faulty spark plugs
-Spark plugs are not gapped correctly
-Ems wiring insufficiently secured
-Dme wiring insufficiently secured
-Faulty jumper box
-Map sensor/boost sensor wiring incorrect
-Faulty o2 sensor/uego gauge
-Faulty tps sensor
-Faulty coolant sensor
-Weak charging system
-Faulty intake air temp sensor
-Exhaust leak
-Damaged engine
-Clutch not disengaging (SMG)
Vehicle shuts off
-EMS faulty
-Wiring not sufficiently secured
-SMG system experiencing issues
-Damaged engine
-Faulty charge system
-Faulty ecu
-Faulty jumper box
-Faulty o2 sensor
-Faulty map sensor
-Faulty fuel injectors
-Damaged coils
-Damaged spark plugs
-Faulty Dme
-Faulty Dme jumper harness
-Loose Ecu wiring
-Disconnected or loose oe ground
-Faulty oe fuel pump
-Faulty oe fuel pressure regulator
-Clogged fuel filter
-Electrical short
-Faulty key/ignition switch
-Vacuum leak
-Faulty iac
-Faulty Tps
-Faulty transmission
Vehicle runs Rich
-Pressure/Vacuum lines are installed incorrectly.
-Wideband O2 sensor faulty
-Map sensor faulty
-Map sensor and boost gauge sensor wiring inverted
-Fuel injector(s) faulty
-Fuel pressure regulator faulty
-Uego gauge faulty
-Faulty Turbocharger
-Damaged engine
-Faulty fuel pump relay
-Faulty Ecu
-Faulty or insecure ecu wiring
-Faulty jumper box
-Faulty iac
-Faulty tps
-Emi noise
Vehicle runs Lean
-Pressure/Vacuum lines are installed incorrectly.
-Wideband O2 sensor faulty
-Map sensor faulty
-Map sensor and boost gauge sensor wiring inverted
-Fuel injector(s) faulty
-Fuel pressure regulator faulty
-Fuel Pump is bad
-Leak in fuel system
-Incorrect fuel
Parts Not Working Diagnosis

Race Switch LED does not work.
-Cabin wiring is incorrect.
-"GAUGE ASSY" harness is installed incorrectly.
-"GAUGE ASSY" harness is not grounded properly
-Connectors or pins are not inserted fully.
-LED wiring has severed

Oil pump does not work
-Oil pump wiring (+/-) is inverted.
-Oil/Fuel pump harness connectors or pins are not inserted fully.
-Oil lines may be clogged.
-Oil pump fuse on the ECU assembly is blown or missing.
-Oil/fuel pump harness not properly grounded
-Oil pump faulty
-Faulty relay
-Faulty ecu
-Damaged oil/fuel pump harness
Fuel pump does not work
-Fuel pump wiring (+/-) is inverted.
-Oil/Fuel pump harness connectors are not inserted fully.
-Fuel lines may be clogged.
-Fuel pump fuse on the ECU assembly is blown or missing.
-Oil/fuel pump harness not properly grounded
-Fuel pump faulty
-Faulty relay
-Faulty ecu
-Damaged oil/fuel pump harness
Gauges do not work
-"GAUGE ASSY" harness is installed incorrectly.
-"GAUGE ASSY" harness connectors or pins are not inserted fully.
-"GAUGE ASSY" harness is not grounded properly
-Gauges are not grounded properly.
-Faulty gauges
-Faulty gauge sensor
-Gauge +/- incorrectly installed
-Low battery voltage
UEGO gauge value does not change
-Bad UEGO sensor
-Sensor unplugged
-Gauge faulty
Clutch (Manual and SMG)
Clutch "Chatters" (also applies to SMG)
-This is a normal condition for high performance clutches
-(Manual) - Start from stop at higher rpm
-(SMG) The new clutch needs to be calibrated by a BMW service center.
-(SMG) Give more throttle from stop
Clutch engages harshly
-This is a normal condition for high performance clutches.
-(Manual) - Start from stop at higher rpm
-(SMG) The new clutch needs to be calibrated by a BMW service center.
-(SMG) Engine holds at high RPM after shifting. Call HPF if engine holds at high RPM only.
-Faulty smg box
-Incorrectly installed smg box
-Faulty ems
-Incorrect tune
-Faulty clutch
-Smg system issues
Smg Clutch Issues
-Smg system leak
-Faulty slave cylinder
-Faulty accumulator
-kink in smg line
-Faulty oe sensor
-Faulty clutch
-Faulty throw out bearing
-Faulty actuator
-Clutch did not sync correctly
-Air in smg line
-Longitudinal accelerometer bad
-Wheel & tire diameter from front to back are more than 3% different in size
-Abs sensor bad
-Faulty smg ecu

Last edited by HPF Chris; 09-30-2010 at 01:16 PM.
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Old 09-30-2010, 02:49 PM   #2
UrineMachine
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Sweet - my HPF cars clutch engagement issue is potentially due to an incorrect tune.... how in the world that'd be possible, I have no clue.

What in the heckles?
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Old 09-30-2010, 03:44 PM   #3
HPF Chris
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Quote:
Originally Posted by UrineMachine View Post
Sweet - my HPF cars clutch engagement issue is potentially due to an incorrect tune.... how in the world that'd be possible, I have no clue.

What in the heckles?
This list is fairly generic and is a brain dump of problems and solutions from my tech support team. A clutch engagement issue could be due to many things from the installation of the clutch, pivot ball, throw-out bearing, driver not slipping the clutch properly, all the way to a tuning issue (for SMG cars). Our goal is to make this list more comprehensive. For people that have solved problems with their HPF M3's, we welcome feedback so we can quickly help others if they have similar issues.

Chris.
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Old 09-30-2010, 04:08 PM   #4
Forcefed M3
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Very cool! Car won't go past 4,000 rpm. HPF traction control harness has been disconnected... Cough cough Brandon... Lol
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Old 09-30-2010, 04:15 PM   #5
MSpired
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Awesome!

Just glancing at it, I would add a little more definition to the colors of exhaust smoke. People can confuse them pretty easily.

Transparent blue/rainbow hue and dissipates quickly
Thick white and lingers in the air

Maybe something like that...
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Old 09-30-2010, 05:59 PM   #6
HPF Chris
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Quote:
Originally Posted by UrineMachine View Post
Sweet - my HPF cars clutch engagement issue is potentially due to an incorrect tune.... how in the world that'd be possible, I have no clue.

What in the heckles?
That happens when you buy an HPF "Manual" Turbo kit from a prior HPF "Manual" M3 owner and you have a "SMG" M3.

Chris.
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Old 09-30-2010, 06:16 PM   #7
Commanderwiggin
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Another thing to add is info on the Oil Catch Can and what normal pressurization for the intake crankcase ventilation system is at idle.

Also I keep forgetting to ask this question but my oil catch can did not have beads in it like i originally thought...it had large metal shavings from a lathe...now my thought are they used this so the oil gets knocked out and the shavings have more surface area than beads would. Let me know as I haven't actually found any info on the oil catch can and totally forgot about it until I got back from my long trip...I mean its simple, screw it off and drain it...however some people might not know they should be checking that regularly.

My oil catch can was over the strainer limit after i got back from Portland (1500km)...bout half full just as an FYI.
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Old 09-30-2010, 11:52 PM   #8
Bizo25
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Originally Posted by Forcefed M3 View Post
Very cool! Car won't go past 4,000 rpm. HPF traction control harness has been disconnected... Cough cough Brandon... Lol

Lmao, exactly where is that harness again?!?! Hey had no clue that was disconnected as good as new now..great find thou Derek...n this list is beyond helpful hopefully wont need it anytime soon...again!!!
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Old 10-01-2010, 10:18 AM   #9
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alot of great responses and great list chris. Im glad our community can protect our own.
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Old 10-01-2010, 10:46 AM   #10
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alot of great responses and great list chris. Im glad our community can protect our own.

+1
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Old 10-03-2010, 07:33 PM   #11
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BUMP





until stickied
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Old 10-03-2010, 09:32 PM   #12
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Are these cars tuned on Open loop or closed loop for cruising? What about full throttle? Just curious
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Old 11-15-2010, 02:07 PM   #13
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BUMP..... Please make sticky....
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Old 11-15-2010, 02:44 PM   #14
HPF Chris
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Are these cars tuned on Open loop or closed loop for cruising? What about full throttle? Just curious
They have a small percentage closed loop adjustment based on o2 feedback.

The entire troubleshooting section is now live on our website and we have updated it and are continuing to update it. We are going through all the sections and are tailoring the troubleshooting steps to the consumer level. Definitely go to our site for the latest and greatest. A link to it is on the bottom of our turbo kit page.

Chris
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Old 11-15-2010, 03:29 PM   #15
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Good stuff Chris! I took a look and seems like you added more than just troubleshooting also. Keep up the great work
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Old 01-26-2011, 04:08 AM   #16
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Any chance we could get this stickied?
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Old 01-26-2011, 08:23 AM   #17
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I occasionally notice white smoke coming from my rear tires, and bits of rubber stuck to the wheelwell.
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Old 01-26-2011, 09:20 AM   #18
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I occasionally notice white smoke coming from my rear tires, and bits of rubber stuck to the wheelwell.
I have the same problem...weird
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Old 01-26-2011, 09:37 AM   #19
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I have the same problem...weird
I would have this problem but parts keep going missing from my car. So I'll never get to drive to find out if my tires smoke or leave rubber behind.
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Old 01-26-2011, 09:38 AM   #20
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I would have this problem but parts keep going missing from my car. So I'll never get to drive to find out if my tires smoke or leave rubber behind.
Chad did it not me....
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