SUBARU WRX ANTILOCK BRAKING SYSTEM PERIODICALLY AND UNPRDICTABLY INHIBITS STOPPING POWER.*AK
2002 Subaru Wrx
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Wrx years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
328 reports with mileage · 99 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Fuel System, Gasoline. Review the 266 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 64 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes, Hydraulic complaints
64 reportsTHE BRAKES ON MY 2002 SUBARU WRX FADED, AND MY FOOT WENT TO THE FLOOR, AND THEN THE BRAKES AFTER 3 TO 5 SECONDS KICKED IN.*AK
MY 2002 SUBARU WRX HAS A DEFECTIVE ABS SYSTEM. WHEN BRAKING MODERATE TO HARD AND THE CAR HITS A BUMP, THE ABS "KICKS IN" AND REDUCES BRAKE PRESSURE, BUT AFTER THE ROAD HAS SETTLED THE BRAKE PRESSURE DOESN'T RETURN. YOU CAN PRESS THE BRAKE PEDAL TO THE FLOOR BUT BRAKE PRESSURE DOESN'T INCREASE. ONLY IF YOU LIFT YOUR FOOT COMPLETE…
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MY 2002 SUBARU WRX HAS A DEFECTIVE ABS SYSTEM. WHEN BRAKING MODERATE TO HARD AND THE CAR HITS A BUMP, THE ABS "KICKS IN" AND REDUCES BRAKE PRESSURE, BUT AFTER THE ROAD HAS SETTLED THE BRAKE PRESSURE DOESN'T RETURN. YOU CAN PRESS THE BRAKE PEDAL TO THE FLOOR BUT BRAKE PRESSURE DOESN'T INCREASE. ONLY IF YOU LIFT YOUR FOOT COMPLETELY OFF THE BRAKE PEDAL AND THEN REAPPLY, DOES BRAKING POWER RETURN. THIS IS DANGEROUS AND COULD CAUSE AN ACCIDENT IF YOU HAVE TO PANIC STOP AND THERE IS AN IMPERFECTION IN THE ROAD. MY CAR HAS DONE THIS SINCE I TOOK DELIVERY MARCH 13TH, 2001
ABS ACTIVATES ON BUMPY ROADS.
ABS BRAKES MALFUNCTIONED GOING OVER RAIL ROAD TRACKS AND/OR THE OCCASIONAL METAL EXPANSION JOINT.*AK
WHEN BRAKING ON UNEVEN OR ROUGH SURFACES, THE ABS BRAKES FAIL AND THE BRAKE PEDAL GOES TO THE FLOOR. I HAVE TO GET OFF ABS AND GET BACK ON QUICKLY; THIS IS THE OPPOSITE OF THE PROPER WAY TO USE ABS BRAKES. *PH
2002 SUBARU IMPREZA WRX LOSS OF BRAKE POWER DURING BRAKING APPLICATION AS THE VEHICLE TRAVELS OVER DRY AND UNEVEN OR BUMPY ROAD SURFACES... MUST DISENGAGE FROM THE BRAKE APPLICATION AND REAPPLY THE BRAKES TO BEGIN SLOWING DOWN THE VEHICLE... REPEATABLE OCCURRENCES. *PH
LOSS OF BRAKE POWER ON UNEVEN TERRAIN. WHEN ROAD IS NOT SMOOTH, BRAKES SEEM TO LOSE POWER AND CAR DOES NOT SLOW. *AK
WHEN I AM BRAKING ON AN UNEVEN SURFACE, SUCH AS A POTHOLE, OR SOMETIMES ON GRAVEL, THE ABS WILL BE TRIGGERED, CAUSING A LOSS OF BRAKING PRESSURE WHICH CAUSES THE BRAKING DISTANCE TO BE EXTENDED CONSIDERABLY. I HAVE NOT GOTTEN INTO AN ACCIDENT AS A RESULT OF THIS, YET, BUT I AM WORRIED AS I CAN'T BE MONITORING PAVEMENT CONDITION…
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WHEN I AM BRAKING ON AN UNEVEN SURFACE, SUCH AS A POTHOLE, OR SOMETIMES ON GRAVEL, THE ABS WILL BE TRIGGERED, CAUSING A LOSS OF BRAKING PRESSURE WHICH CAUSES THE BRAKING DISTANCE TO BE EXTENDED CONSIDERABLY. I HAVE NOT GOTTEN INTO AN ACCIDENT AS A RESULT OF THIS, YET, BUT I AM WORRIED AS I CAN'T BE MONITORING PAVEMENT CONDITIONS EVERYTIME I APPLY MY BRAKES.*AK
MY 2002 SUPRA IMPREZA WRX SEDAN HAS PRODUCED INCONSISTENT AND UNSAFE BRAKE OPERATION OVER ROUGH/WASHBOARD TYPE ROADS. ON A NUMBER OF OCCASIONS WHILE BRAKING IN A ROUGH ROAD SURFACE MY BRAKE PEDAL WENT TO THE FLOOR AND MY CAR KEPT GOING. UPON ENCOUNTERING ROUGH ROAD AND THE RESULTING ACTIONS BY THE BREAK SYSTEM I HAVE EXPERIE…
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MY 2002 SUPRA IMPREZA WRX SEDAN HAS PRODUCED INCONSISTENT AND UNSAFE BRAKE OPERATION OVER ROUGH/WASHBOARD TYPE ROADS. ON A NUMBER OF OCCASIONS WHILE BRAKING IN A ROUGH ROAD SURFACE MY BRAKE PEDAL WENT TO THE FLOOR AND MY CAR KEPT GOING. UPON ENCOUNTERING ROUGH ROAD AND THE RESULTING ACTIONS BY THE BREAK SYSTEM I HAVE EXPERIENCED INCREASED STOPPING DISTANCE. I SENT AN E-MAIL TO SUBARU OF AMERICA AND THE THE RESPONSE WAS TO THE EFFECT THAT THEY WERE UNAWARE OF ANY SUCH PROBLEM. I HAD THE DEALER INSPECT MY BREAK SYSTEM AND I WAS TOLD THEY WERE UNABLE TO DUPLICATE PROBLEM. *AK
Official recalls
109V468000 · Fuel System, Gasoline:delivery:fuel Pump
Dec 4, 2009
SUBARU IS RECALLING CERTAIN MODEL YEAR 2002 AND 2003 IMPREZA WRX VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF SOUTH DAKOTA, NEBRASKA, NORTH DAKOTA, MINNESOTA, IDAHO, IOWA, MONTANA, COLORADO, WISCONSIN, NEW YORK, WYOMING, MICHIGAN, ALASKA, NEW HAMPSHIRE, VERMONT, AND MAINE. DURING COLD STARTS, TYPICALLY UNDER EXTREMELY COLD TEMPERATURES, FUEL LEAKS IN THE FUEL DELIVERY LINE COULD OCCUR WHERE THE LINE CONNECTS WITH A RUBBER HOSE.
Consequence & remedy
Consequence: FUEL LEAKS, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.
Remedy: DEALERS WILL REPLACE THE FUEL LINE FREE OF CHARGE. THE RECALL BEGAN ON DECEMBER 31, 2009. OWNERS MAY CONTACT SUBARU AT 1-800-782-2783.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
5EA09011 · Fuel Line Leak
Opened Jul 2, 2009 · Closed Dec 14, 2009
Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings
THE DESIGN OF THE FUEL LINE (METAL RAIL/RUBBER HOSE INTERFACE) IS SUSCEPTIBLE TO FUEL ODOR AND/OR SEEPAGE IN EXTREME COLD TEMPERATURE CONDITIONS.OWNERS MOST OFTEN NOTICED FUEL ODOR IN THE OCCUPANT COMPARTMENT AREA DURING INITIAL COLD ENGINE START-UP.ONCE THE ENGINE IS WARMED, THE ODOR/SEEPAGE ISSUE DISSIPATES.FROM SUBARU'S DATA, ODI NOTES THAT THE INCIDENT RATES ARE HIGHER IN STATES WITH COLDER TEMPERATURES.THERE WAS ONE ALLEGATION OF A FIRE INCIDENT IN WHICH THE OWNER HAD REPORTED THAT HE NOTICED FUEL ODOR A FEW DAYS EARLIER, BUT ODI COULD NOT CONFIRM THE ORIGIN OF THE FIRE. TO ADDRESS THIS ISSUE, SUBARU WILL REPLACE THE FUEL LINE WITH A LONGER RUBBER HOSE SEGMENT VERSION/DESIGN ON 5,724 MY 2002-2003 VEHICLES BUILT THROUGH SEPTEMBER 12, 2002 IN 16 STATES (AK, CO, IA, ID, ME, MI, MN, MT, ND, NE, NH, NY, SD, VT, WI & WY).IN ADDITION, SUBARU WILL EXTEND THE WARRANTY COVERAGE TO 12 YEARS/UNLIMITED MILEAGE ON VEHICLES IN THE REMAINING 34 STATES.THIS ENGINEERING ANALYSIS IS CLOSED (SEE RECALL CAMPAIGN 09V-468)
PE09017 · Fuel Line Leak
Opened Mar 10, 2009 · Closed Jul 2, 2009
Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:carburetor System; Fuel System, Gasoline:delivery; Fuel System, Gasoline:delivery:fuel Pump; Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings; Fuel System, Gasoline:fuel Injection System; Fuel System, Gasoline:fuel Injection System:fuel Rail; Fuel System, Gasoline:fuel Injection System:injectors; Fuel System, Other; Fuel System, Other:delivery:hoses, Lines/piping, And Fittings; Fuel System, Other:fuel Injection System
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Additional source detail variants (11)
Fuel System, Gasoline:carburetor System
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Gasoline:delivery:fuel Pump
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Gasoline:delivery
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Gasoline:fuel Injection System:fuel Rail
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Gasoline:fuel Injection System:injectors
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Gasoline:fuel Injection System
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Gasoline
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Other:delivery:hoses, Lines/piping, And Fittings
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Other:fuel Injection System
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
Fuel System, Other
COMPLAINANTS REPORT FUEL LEAKAGE MOST FREQUENTLY IN WINTER DURING INITIAL COLD ENGINE STARTUP.OWNERS WILL EITHER NOTICE A FUEL ODOR INSIDE THE OCCUPANT COMPARTMENT OR FUEL ODOR/LEAKAGE AT THE FUEL LINES ON THE RIGHT SIDE ATOP THE ENGINE. ONCE THE ENGINE HAS WARMED, THE ODOR/LEAKAGE MAY CEASE.SUBARU REVISED THE FUEL PIPE/HOSE DESIGN FOR MODEL YEAR (MY) 2003-04 WRX VEHICLES PRODUCED AFTER AUGUST 2003.SUBARU ALSO INTRODUCED A MY 2004 IMPREZA STI VEHICLE WITH A DIFFERENT ENGINE AND FUEL PIPE/HOSE LAYOUT.OUT OF THE TOTAL OF 994 COMPLAINTS, 944 CONCERN MY 2002-03 WRX VEHICLES BUILT THROUGH AUGUST 2003.SUBARU ALSO REPORTS ONE FIRE ON A MY 2002 WRX VEHICLE THAT OCCURRED IN FEBRUARY 2006.IN MARCH 2009, ODI INSPECTED AND VIDEO TAPED A MY 2002 WRX VEHICLE WITH A FUEL LEAK DURING COLD ENGINE START UP.THE VIDEO WAS PROVIDED TO SUBARU AND IS IN THE INVESTIGATION FILE. THIS INVESTIGATION IS BEING UPGRADED TO AN ENGINEERING ANALYSIS (EA09-011) TO FURTHER STUDY THIS ISSUE.
PE04002 · Fuel Line Leakage In Engine Compartment
Opened Jan 7, 2004 · Closed May 27, 2004
Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings
SUBARU REPORTS THAT THE FUEL ODOR IS CAUSED BY FUEL SEEPAGE DURING COLD START OF THE ENGINE UNDER EXTREMELY COLD TEMPERATURES. THE LEAK OCCURS IN A FUEL LINE IN THE ENGINE COMPARTMENT.IT REPORTS THAT THE FAILURE IS DUE TO THE MISALIGNED ANGLE BETWEEN TWO FUEL DELIVERY LINES WHICH RESULTED IN SUCH FUEL SEEPAGE DURING THE FIRST FEW SECONDS OF COLD ENGINE START DURING THESE COLD TEMPERATURES.SUBARU REPORTS THAT THE TWO FUEL LINES ARE CONNECTED WITH A HOSE THAT BECOMES TOO STIFF IN VERY COLD TEMPERATURES TO CONFORM TO THE MISALIGNMENT. SUBARU HAS ISSUED A TECHNICAL SERVICE BULLETIN (SUBARU SERVICE BULLETIN NUMBER 09-36-03) TO REPLACE THE FUEL LINES WITH NEW LINES THAT ARE PROPERLY ALIGNED AND THAT HAVE A LONGER CONNECTING HOSE.ODI PHONE CALLS TO MANY OF THE COMPLAINANTS CONFIRM THAT FUEL ODOR IS NOTICABLE DURING VERY COLD TEMPERATURES AND COLD START BUT GOES AWAY AS THE ENGINE WARMS UP, AND THE ODOR IS NOT PRESENT IN WARMER TEMPERATURES. A FEW OWNERS REPORT THAT ATTEMPTS TO ELIMINATE THE LEAKAGE BY TIGHTENING THE CONNECTING HOSE CLAMPS IS NOT EFFECTIVE IN ELIMINATING THE FUEL ODOR.A SAFETY-RELATED DEFECT HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL MONITOR THIS ISSUE AND RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Additional source detail variants (2)
Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings
SUBARU REPORTS THAT THE FUEL ODOR IS CAUSED BY FUEL SEEPAGE DURING COLD START OF THE ENGINE UNDER EXTREMELY COLD TEMPERATURES. THE LEAK OCCURS IN A FUEL LINE IN THE ENGINE COMPARTMENT.IT REPORTS THAT THE FAILURE IS DUE TO THE MISALIGNED ANGLE BETWEEN TWO FUEL DELIVERY LINES WHICH RESULTED IN SUCH FUEL SEEPAGE DURING THE FIRST FEW SECONDS OF COLD ENGINE START DURING THESE COLD TEMPERATURES.SUBARU REPORTS THAT THE TWO FUEL LINES ARE CONNECTED WITH A HOSE THAT BECOMES TOO STIFF IN VERY COLD TEMPERATURES TO CONFORM TO THE MISALIGNMENT. SUBARU HAS ISSUED A TECHNICAL SERVICE BULLETIN (SUBARU SERVICE BULLETIN NUMBER 09-36-03) TO REPLACE THE FUEL LINES WITH NEW LINES THAT ARE PROPERLY ALIGNED AND THAT HAVE A LONGER CONNECTING HOSE.ODI PHONE CALLS TO MANY OF THE COMPLAINANTS CONFIRM THAT FUEL ODOR IS NOTICABLE DURING VERY COLD TEMPERATURES AND COLD START BUT GOES AWAY AS THE ENGINE WARMS UP, AND THE ODOR IS NOT PRESENT IN WARMER TEMPERATURES. A FEW OWNERS REPORT THAT ATTEMPTS TO ELIMINATE THE LEAKAGE BY TIGHTENING THE CONNECTING HOSE CLAMPS IS NOT EFFECTIVE IN ELIMINATING THE FUEL ODOR.A SAFETY-RELATED DEFECT HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL MONITOR THIS ISSUE AND RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Fuel System, Gasoline
SUBARU REPORTS THAT THE FUEL ODOR IS CAUSED BY FUEL SEEPAGE DURING COLD START OF THE ENGINE UNDER EXTREMELY COLD TEMPERATURES. THE LEAK OCCURS IN A FUEL LINE IN THE ENGINE COMPARTMENT.IT REPORTS THAT THE FAILURE IS DUE TO THE MISALIGNED ANGLE BETWEEN TWO FUEL DELIVERY LINES WHICH RESULTED IN SUCH FUEL SEEPAGE DURING THE FIRST FEW SECONDS OF COLD ENGINE START DURING THESE COLD TEMPERATURES.SUBARU REPORTS THAT THE TWO FUEL LINES ARE CONNECTED WITH A HOSE THAT BECOMES TOO STIFF IN VERY COLD TEMPERATURES TO CONFORM TO THE MISALIGNMENT. SUBARU HAS ISSUED A TECHNICAL SERVICE BULLETIN (SUBARU SERVICE BULLETIN NUMBER 09-36-03) TO REPLACE THE FUEL LINES WITH NEW LINES THAT ARE PROPERLY ALIGNED AND THAT HAVE A LONGER CONNECTING HOSE.ODI PHONE CALLS TO MANY OF THE COMPLAINANTS CONFIRM THAT FUEL ODOR IS NOTICABLE DURING VERY COLD TEMPERATURES AND COLD START BUT GOES AWAY AS THE ENGINE WARMS UP, AND THE ODOR IS NOT PRESENT IN WARMER TEMPERATURES. A FEW OWNERS REPORT THAT ATTEMPTS TO ELIMINATE THE LEAKAGE BY TIGHTENING THE CONNECTING HOSE CLAMPS IS NOT EFFECTIVE IN ELIMINATING THE FUEL ODOR.A SAFETY-RELATED DEFECT HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL MONITOR THIS ISSUE AND RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
EA03024 · Extended Stopping Distances
Opened Nov 19, 2003 · Closed Jul 12, 2005
Status: closed (inferred from source dates) · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip
DURING THE EA, ODI AND VRTC PERFORMED THE FOLLOWING ACTIVITIES:1.CONDUCTED A MAIL SURVEY OF 246 SUBJECT VEHICLE OWNERS TODETERMINE THE ROADWAY SURFACE THAT CAUSED OWNERS' CONCERN;2.INTERVIEWED COMPLAINING OWNERS;3.CONDUCTED FIELD INSPECTIONS OF SEVEN (7) COMPLAINT VEHICLES;4.INSTRUMENTED TESTING AT VRTC OF COMPLAINT AND PEER VEHICLES;5.REVIEWED SUBARU'S RESPONSE TO OUR INFORMATION REQUEST;6.MET WITH SUBARU FOR TECHNICAL REVIEW OF TESTINGAS A RESULT OF THE WORK CONDUCTED BY VRTC AND ODI DURING THIS INVESTIGAITON, A CONSISTENT OR CHRONIC PATTERN OF POOR BRAKE PERFORMANCE HAS NOT BEEN IDENTIFIED.VRTC CONDUCTED OVER 11,500 BRAKE TESTS.THEY DID NOT OBSERVE ANY LONG-DURATION, LOW DECELERATION EVENTS (SOME OWNERS REPORTED DELAYS OF 4 TO 10 SECONDS) IN THE TEST VEHICLES.SEE ODI'S CLOSING REPORT AND VRTC'S TEST REPORT FOR FULL DETAILS
PE03029 · Braking System/abs
Opened Jul 8, 2003 · Closed Nov 19, 2003
Status: closed (inferred from source dates) · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip
SUBARU'S SUPPLEMENTAL RESPONSE OF SEPTEMBER 29, 2003, IDENTIFIED THAT THE 2002, 2003 SUBARU WRX MODELS AREEQUIPPED WITH THE BOSCH 5.3 ABS SYSTEM, AND IDENTIFIED THAT OTHER MODEL SUBARU VEHICLES ARE ALSO EQUIPPED WITH THE BOSCH 5.3 ABS SYSTEM, BUT HAVE DIFFERENT CALIBRATIONS THAN THE WRX MODEL VEHICLES.SUBARU IDENTIFIED THAT CHANGES WERE MADE IN THE ABS ECU TO ADDRESS A CALIBRATION LOGIC ISSUE WHEN DRIVING THE VEHICLE WITH THE SPARE TIRE MOUNTED.SUBARU REPORTED THAT BOTH THE ABS HYDRAULIC UNIT AND THE ABS ECU WERE MODIFIED, AND GAVE VIN NUMBERS TO IDENTIFY THE IMPLEMENTATION OF THE MODIFIED UNITS IN PRODUCTION. TESTING IS UNDERWAY TO GAIN AN UNDERSTANDING OF THE WRX VEHICLE PERFORMANCE DURING AN ABS ACTIVATION.FUTHER, ANALYSIS OFTHE DIFFERENCES IN VEHICLE PERFORMANCE RESULTING FROM ABS SOFTWARE CHANGES WILL BE EXAMINED.
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