RoadVitals

2003 MINI Cooper S Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
15
Latest Mar 17, 2015
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
7%
of 217 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
6
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 2003 MINI Cooper S submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 15 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

Shown in the owner’s own words, exactly as filed

ElectricalEngineSteering
Filed Mar 17, 2015

STEERING FLUID CONTINUOUSLY LEAKS - REPLACE HYDRAULIC HOSE TWICE - KNOWN DEFECT - MINI REFUSED TO FIX FOR FREE ENGINE COOLING - FAN RUNS AFTER SHUTOFF CONTINUOUSLY - KNOWN DEFECT - MINI REFUSED TO FIX FOR FREE ELECTRICAL - DOORS, WINDOWS, SUNROOF FIRE OFF ON THEIR OWN WHILE CAR IS MOVING AND WHEN IS PARKED. WILL DO THIS AT HIGHWAY SPEED OR WHEN SITTING OUTSIDE (RAIN OR SHINE) - CAR UNLOCKS ITSELF AND WINDOWS ALL OPEN UP -KNOWN DEFECT - KIND OF DISTRACTING AT HIGHWAY SPEED -MINI REFUSED TO FIX FOR FREE. DEALERS WILL NOT FIX THESE ISSUES UNLESS YOU MAKE THEM RECALL VEHICLES WITH MULTIPLE SMALL PROBLEMS ( NOT JUST ONE BIG PROBLEM) - THIS MODEL HAS 73 TSBS THAT DEALERS CHARGE YOU TO FIX EVEN THOUGH THE PROBLEMS ARE KNOWN AND DANGEROUS ISSUES. IN MY MIND, MANY SMALL PROBLEMS CAN BE MORE DANGEROUS THAN A FEW BIG ONES - STEERING, DOOR LOCKS, COOLING - NOT GOOD. THIS IS AN OLD CAR BUT THESE PROBLEMS ARE OLD TOO - KNOWN TSBS SHOULD NOT BE SUBJECT TO WARRANTY TIME FRAMES, THEY ARE STILL DANGEROUS AFTER THE WARRANTY EXPIRES. WHEN THESE CARS ARE ROUTINELY SERVICED, THESE KNOWN/DANGEROUS ISSUES NEED TO BE CORRECTED OR THE CARS SHOULD BE TAKEN OFF THE ROAD. I USED THE DATE OF THE LAST INCIDENT, NOT THE FIRST ONE. THANK YOU. *TR

NHTSA ID
10694956
Incident
Mar 15, 2015
Mileage
71,500 mi
EngineSteering
Filed Aug 14, 2014
Fire reported

8/13/2014- I WAS STOPPED AT A STOP SIGN IN A MALL PARKING LOT AND SMOKE STARTED BILLOWING OUT FROM UNDER THE RIGHT FRONT SIDE OF THE CAR AND AT THE SAME TIME STARTED COMING THROUGH THE VENTS INTO THE CABIN OF THE CAR. I TRIED TO SHUT OFF THE CAR, BUT IT WOULD NOT TURN OFF. A BYSTANDER CAME RUNNING AND OPENED THE HOOD, SMOKE POURED OUT, TOLD ME TO CALL ROADSIDE ASSISTANCE AS HE WAS OPENING HOOD AND THEN TOLD ME TO HANG UP AND CALL 911 THAT MY CAR WAS ON FIRE. FLAMES WERE COMING OUT OF THE ENGINE AREA BUT THERE WAS TOO MUCH SMOKE. THE ENGINE FAN WAS STILL RUNNING. ANOTHER PASSERBY HAD AN COMMERCIAL EXTINGUISHER AND EMPTIED IT ON MY VEHICLE. THE FIRE DEPT. WAS PULLING UP AS THEY WERE TRYING TO PUSH IT ASIDE, THE CAR RE-IGNITED AND IT TOOK THE FIRE DEPARTMENT APPROX. 15 TO MAKE DOUSE THE FIRE WITHOUT IT RE-IGNITING. ALL OF THESE PEOPLE LOOKED MY VEHICLE OVER AND COULD FIND NO REASON FOR IT TO IGNITE. I PURCHASED THE CAR USED ABOUT 4 WEEKS AGO AND HAVE PUT ABOUT 3000 MILES ON IT WITHOUT ANY ISSUES. MY INSURANCE COMPANY HAD IT TOWED TO A MECHANIC DOWN THE ROAD AND THEY ARE TO CONTACT ME TOMORROW TO SEE IF THEY CAN SEE WHY THIS OCCURRED. LUCKILY, MY DAUGHTER AND I WERE ABLE TO EXIT THE CAR AND BE IN AN AREA CLOSE TO THE FIRE DEPARTMENT AND GOOD SAMARITANS...UPDATED 10/06/14 *BF *TR UPDATED 7/15/2015 *JS

NHTSA ID
10622184
Incident
Aug 13, 2014
Mileage
72,000 mi
Engine
Filed Jul 14, 2014

I HAD NOTICED THAT THE POWER GOING UP HILLS HAD BEEN SLOWING DOWN FOR SOMETIME BUT AS WE WERE DRIVING IN TOWN AND LOST IT'S NUMBER THREE CYLINDER, TOOK IT TO SHOP AND WITH SEVERAL DAYS OF WORK FOUND OUT I WOULD BE BETTER OFF SCRAPPING IT THAN FIXING IT. MECHANIC WHO DEALS WITH BMW SAID THAT HE COULD PUT IN A NEW ENGINE BUT HE SAND THAT THE ISSUES THAT HE HAS SEEN ON THIS YEARS COOPER SHOW IT IS JUST A MONEY PIT. HE SAID, JUST SCRAP IT AND TAKE YOUR LOSSES. THE ONLY THING IS I BOUGHT IT USED AND STILL OWE OVER $3,000. ON IT. I HAVE NO CAR AND CAN'T AFFORD TO REPLACE IT AND HAVE TWO PAYMENTS AS I AM DISABLED WITH A LOW INCOME FROM INJURIES. I FINALLY GOT MY CAR OF MY DREAMS AND IT BECAUSE MY NIGHTMARE. MISSING MY MINI. *TR

NHTSA ID
10610540
Incident
Jun 1, 2011
Mileage
134,000 mi
Body & structureEngine
Filed May 14, 2014
Fire reported

ON FEBRUARY 6, 2014 MY MINI COOPER S WAS SERVICED AT THE DEALERSHIP MINI COOPER OF CONCORD FOR A RECALL IN THE POWER STEERING PUMP. SHORTLY, AFTER IN MARCH MY CAR STARTED TO SMOKE FROM THE ENGINE AND MY CAR BURSTED INTO FLAMES. THE FIRE DEPARTMENT CAME AND TURNED DOWN THE FIRE, HOWEVER MY CAR IS A COMPLETE LOSS. I CALLED MINI COOPER OF CONCORD, HOWEVER NO ONE COULD PROVIDE HELP. I ALSO EMAILED THE HEAD OF THE DEALERSHIP AND THERE WAS NO RESPONSE. I INVESTIGATED ONLINE AND NOTICED THAT MANY PEOPLE HAD SIMILAR PROBLEMS WITH THE WATER PUMP LEAKING AND CATCHING FIRE IN THE ENGINE. I CALLED MINI USA AND FILED A CASE,AND THEY PROMISED TO RESPOND WITHIN 3 DAYS. HOWEVER, THEY DID NOT ONLY UNTIL I CALLED VARIOUS TIMES AND FINALLY WAS ABLE TO REACH A REPRESENTATIVE. JAMES INFORMED ME THAT THERE WAS NO WAY TO EVALUATE THE MINI COOPER WAS AS AT FAULT AND ONLY TRIED TO SELL ME A NEW CAR. I AM VERY DISAPPOINTED WITH MINI COOPER'S CUSTOMER SERVICE AND LACK OF SUPPORT. MY CAR IS NOW A COMPLETE LOSS. *TR

NHTSA ID
10588457
Incident
Apr 17, 2014
Mileage
145,126 mi
Engine
Filed Sep 1, 2012

WATER PUMP/SUPER CHARGER FAIL CAUSE ENGINE OVERHEAT. HAD TO REPLACE THE WATER PUMP/SUPER CHARGE ASSEMBLY. *TR

NHTSA ID
10473236
Incident
Feb 15, 2010
Mileage
54,000 mi
BrakesEngineSteering
Filed Jan 29, 2012
Crash reported

TURNING FROM A LEFT HAND TURN LANE ON TO A SIDE STREET AS I HAVE DONE AT LEAST 4 TIMES A DAY FOR OVER 10 YEARS, I LOST ALL POWER AND THE ABILITY TO CONTROL THE VEHICLE. IN THE MIDDLE OF THE TURN THE LOSS OF POWER, THE LOSS OF STEERING, AND THE LOSS OF BRAKES CAUSED ME TO RUN INTO THE CURB. THIS ACCIDENT RESULTED IN THE RIGHT FRONT WHEEL AND ASSEMBLY BEING REPLACED. NOT LONG AFTER GETTING MY MINI COOPER S THE HESITATION OF THE ACCELERATOR WHEN STATING OFF IN FIRST GEAR BEGAN. I WAS TOLD BY THE SERVICE REP AT THE MINI DEALERSHIP THAT THERE WAS NO FIX FOR THIS PROBLEM. I'VE HAD TOO MANY NEAR ACCIDENTS BECAUSE OF IT. GOING BACK AS FAR AS 2005 I HAVE COMPLAINED ABOUT MY STEERING AND THE NOISE IT MAKES. THE WHOLE STEERING UNIT HAS BEEN REPLACED 2 TIMES, YET IN 2009 I EXPERIENCED A TOTAL LOSS OF POWER WHILE TRAVELING AT SPEEDS OF 65 MPH. THE POWER LOSS WAS ELECTRICAL EVEN THOUGH MY ENGINE WAS STILL RUNNING. THE FINAL OUTCOME WAS MINI REPLACED THE ALTERNATOR AND BATTERY. I'VE COMPLAINED TIME AND AGAIN YET WITH NO HELP UNLESS IT'S COMING OUT OF MY OWN POCKET. SINCE OWNING THIS MINI COOPER S I'VE SPENT NEARLY 6000.00 IN REPAIRS. BECAUSE OF THE INTERDEPENDENT NATURE OF THE ASC/DSC ON THE VEHICLES BRAKING, ELECTRONICS, AND EVEN STARTING ACCELERATION FROM A STOP; HAS THIS FEATURE BEEN PROPERLY STUDIED AS THE CULPRIT FOR THE MANY AND VARIED PROBLEMS THIS PARTICULAR CAR HAS? IN THE UK THERE IS A BLOG CALLED WATCHDOG THAT HAS 180 PEOPLE WHO POSTED BETWEEN FEBRUARY AND APRIL 2009 THAT ALL HAD THE SAME PROBLEM WITH THE POWER STEERING THAT I AND HUNDREDS OF OTHERS HAVE REPORTED. HOW CAN SUCH A SERIOUS PROBLEM GO UNRESOLVED FOR SO LONG. THERE IS NO DOUBT THAT THIS PROBLEM ALONE FALLS UNDER THE UNITED STATES CODE FOR MOTOR VEHICLE SAFETY (TITLE 49, CHAPTER 301). *TR

NHTSA ID
10445787
Incident
Mar 22, 2007
Mileage
28,639 mi
ElectricalEngineSteering
Filed Feb 24, 2011
Crash reported

2003 MINI COOPER S WITH POWER STEERING FAILURE. POWER STEERING GOES IN AND OUT. CAR RADIO TURNS ON WHEN CAR IS OFF AND NO KEY IS IN THE ENGINE, CAUSING BATTERY TO DRAIN. ONCE MY POWER STEERING WENT OUT WHEN I WAS LEAVING A PARKING AREA CAUSING ME TO HIT THE CAR IN FRONT OF ME. I HAVE NOT REPAIRED DAMAGES. I HAVE HOWEVER REPLACED THE ENGINE DUE TO FAULTY WIRING IN APROX 2009. A FUSE THAT RUNS EVERYTHING FOR COOLING BLEW AND GAVE ME NO WARNING THE ENGINE WAS OVERHEATING. *TR

NHTSA ID
10384391
Incident
Feb 24, 2009
Mileage
80,000 mi
ElectricalEngineSteering
Filed Feb 20, 2009
Fire reported

I PURCHASED MY '03 MINI COPPER S WITH 49K FROM A HONDA IN MECHANICSBURG, PA DEALER IN AUGUST. IN DECEMBER, I PURCHASED TIRES AND THEN WENT TO A SELF-SERVICE CARWASH AFTERWARD. WHEN I GOT HOME AND BEFORE I PUT IT IN THE GARAGE, I TOOK OUT THE HOSE AND WASHED OFF THE WHEELS AND UNDER THE CAR. DURING THE PROCESS THERE WAS WHITE SMOKE, WHICH I THOUGHT WAS STEAM FROM THE WATER HITTING THE MANIFOLD. I PUT THE CAR IN THE GARAGE AND LATER WHEN MY WIFE CAME HOME SHE COMMENTED ON THE SMOKE AND MIST IN THE GARAGE (IT WAS QUITE COLD THAT NIGHT.) THE NEXT DAY WHEN I PULLED THE CAR OUT, THE STEERING WAS VERY STIFF AND I ONLY DROVE IT OUT THE DRIVEWAY AND ON THE ROAD BEFORE I REALIZED THE POWER STEERING WAS COMPLETELY OUT. I DROVE IT ABOUT 15 MILES TO THE DEALER AFTER CHECKING FUSES AND DETERMINING THAT THE PROBLEM WAS BEYOND MY MECHANICAL SKILLS. THE POWER STEERING PUMP, FAN AND HARNESS WERE REPLACED ALONG WITH THE BATTERY (SHORTED OUT). INSURANCE ADJUSTERS FROM HONDACARE (EXTENDED WARRANTY), STATE FARM INSURANCE COMPANY (MY COMPREHENSIVE INSURANCE) AND THE DEALERSHIP DETERMINED THAT THE POWER STEERING PUMP HAD CAUGHT FIRE. THEIR CONJECTURE WAS THAT I HAD PUT OUT THE FIRE WITH THE HOSE WHEN I SPRAYED UNDER THE CAR. HONDA CARE PAID $1999 FROM EXTENDED WARRANTY FOR THE POWER STEERING PUMP, BATTERY, POWER STEERING HARNESS AND FAN. A TOTAL OF $2700 ADDITIONAL FROM STATE FARM COMPREHENSIVE INSURANCE (HONDACARE EXTENDED WARRANTY WOULD NOT COVER HARNESS, TOWING AND DIAGNOSTIC WORK FROM THE MINI DEALER IN MARYLAND, ETC BECAUSE THEY WERE THE RESULT OF DAMAGE CAUSED BY THE POWER STEERING PUMP FIRE); STATE FARM INSURANCE WAS EXCEPTIONAL AND COVERED THE DIFFERENCE WITH COMPREHENSIVE COVERED. THE PARTS ARE NOT AVAILABLE AT THIS TIME BUT I WAS TOLD THAT THERE ARE REPORTS INCLUDING PICTURES FROM ADJUSTERS AT HONDACARE AND FROM STATE FARM INSURANCE. *TR

NHTSA ID
10259432
Incident
Dec 5, 2008
Mileage
52,000 mi
Engine
Filed May 29, 2008
Fire reported

WHILE DRIVING THE CAR TO THE DEALERSHIP FOR SERVICE I HEARD A LOUD NOISE AND FELT A SHUTTER, THEN A LOSS OF POWER AND SMOKE TO THE REAR OF THE CAR. I TURNED MOTOR OFF AND COASTED TO THE SIDE OF THE ROAD TO MAKE SURE EVERYTHING WAS OK. ONCE STOPPED, I TRIED TO RESTART THE CAR. SAW MORE SMOKE AND SPARKS FROM THE TAIL PIPE. I THEN SAT AND STARTED TO CALL A TOW TRUCK, WHEN I NOTICED FLAMES COMING FROM THE HOOD SCOOP. I POPPED THE HOOD AND UPON OPENING IT, NOTICED A FIRE AT THE FRONT OF THE MOTOR, DIRECTLY IN FRONT OF THE SUPERCHARGER. I WAS UNABLE TO PUT OUT THE FLAME, SO I CALL 911 AND THE FIRE DEPARTMENT WAS ON SITE TO PUT OUT THE FIRE IN A FEW MINUTES, BUT BY THEN THE ENTIRE ENGINE COMPARTMENT WAS ENGULFED IN FLAMES. ALLSTATE CALLED IT A TOTAL LOSS. *TR

NHTSA ID
10229170
Incident
Dec 2, 2007
Mileage
70,000 mi
Engine
Filed Dec 20, 2004

VEHICLE WILL SOMETIMES STALL WITHOUT WARNING. VEHICLE HAS THE LATEST VERSION OF ENGINE CONTROLLER SOFTWARE THAT HAS CORRECTIONS FOR STALLING. DEALER CANNOT DETERMINE THE PROBLEM. *AK

NHTSA ID
10104185
Incident
Dec 6, 2004
Engine
Filed Dec 1, 2003

BELOW IS A QUOTE OF ANOTHER PERSON,I AM EXPERIENCING SIMILAR PROBLEMS EXCEPT FOR "TOTAL LOSS OF POWER" WHICH HAS NOT HAPPENED TO ME. ALSO, THE STUDDERING PROBLEM IN FIRST GEAR IS GREATLY REDUCED WHEN THE "ACTIVE SKID CONTROL" IS DISABLED.*AK MY MINI COOPER S WAS PURCHASED IN MAY 2003. "NEW MINI COOPER S AUTOMOBILE (PURCHASED IN JUNE OF 2003) EXPERIENCES A NOTICEABLE AND SIGNIFICANT STUMBLE WHEN ENGAGING FIRST GEAR AND ACCELERATING FROM A STOPPED POSITION. THE STUMBLE IS SIGNIFICANT ENOUGH TO CAUSE A STALL CONDITION AND RESULTS IN UNRELIABLE THROTTLE RESPONSE. THE PROBLEM IS WORSE AT HIGHER RPM ENGAGEMENTS, IN HOTTER WEATHER, AND WITH THE AC ENGAGED. THE STUMBLE FEELS LIKE A MOMENTARY LOSS OF POWER AND THEN SHORTLY THEREAFTER, POWER IS RETURNED TO THE WHEELS. THE PROBLEM OCCURS ON VIRTUALLY EVERY ENGAGEMENT BUT IS CONSIDERABLY WORSE ON THE FIRST ENGAGEMENT AFTER THE CAR HAS SAT FOR SEVERAL HOURS WITH THE ENGINE OFF. THE PROBLEM IS LESS SEVERE WHEN TURNING THE CAR LEFT OR RIGHT WHILE ENGAGING FIRST GEAR. THIS ISSUE RENDERS THE THROTTLE RESPONSE UNRELIABLE AND CAN STALL THE AUTOMOBILE AT UNEXPECTED TIMES. NO CRASHES HAVE OCCURRED AT THIS TIME BUT THE POTENTIAL FOR A REAR-END COLLISION DUE TO A STALL OR A SIDE IMPACT COLLISION DUE TO STALLING WHEN CROSSING AN INTERSECTION IS PRESENT. ADDITIONAL ISSUES RELATED TO ENGINE MANAGEMENT AND THROTTLE RESPONSE OCCUR IN THE SAME AUTOMOBILE HAVE OCCURRED BUT THESE ADDITIONAL PROBLEMS HAVE BEEN INTERMITTENT AND DIFFICULT TO REPRODUCE. IN GENERAL, THE ADDITIONAL PROBLEMS SEEM TO OCCUR IN ON TEMPERATURE DAYS WITH AC ENGAGED AND INCLUDE A FULL LOSS OF POWER FOR AN EXTENDED PERIOD OF TIME WHILE ENGAGING FIRST GEAR AND A NOTICEABLE SURGING DURING ACCELERATION AS IS THE DRIVER WAS PRESSING AND RELEASING THE GAS. *JB"

NHTSA ID
10049010
Incident
Dec 1, 2003
Engine
Filed Nov 21, 2003

MINI COOPER S HAS SEVERE HESITATION WHEN STARTING FROM A STANDING START. THE PROBLEM IS UNRELATED TO THROTTLE OR CLUTCH PEDAL POSITION. CAR BOGS FOR A FEW SECONDS (WHEN MAKING A LEFT AGAINST TRAFFIC IT FEELS LIKE AN ETERNITY) WHEN IN FIRST GEAR AT APPROXIMATELY 1800 RPM THEN RESUMES ACCELERATING. SERVICE ADVISOR AT DEALERSHIP TOLD ME IT'S A "CHARACTERISTIC" OF THE CAR. REPRESENTATIVE AT MINI USA TOLD ME THEY ARE AWARE OF THE PROBLEM AND ARE WORKING ON A FIX. THE IS NO FIX AT THE PRESENT TIME AND NO ESTIMATE AS TO WHEN THERE WILL BE ONE. FOR THE TIME BEING, MINI OWNERS HAVE TO PRAY EACH TIME THEY ENTER AN INTERSECTION. *LA

NHTSA ID
10047336
Incident
Jun 25, 2003
Mileage
8 mi
Engine
Filed Oct 30, 2003

VEHICLE HESITATES (STIMBLES) UPON ACCELERATION RESULTING IN A SERIOUS SAFTEY CONCERN. ALSO, THE VEHICLE YO-YOS UPON DECELERATION. *LA

NHTSA ID
10045084
Incident
Sep 1, 2003
Mileage
500 mi
Engine
Filed Sep 20, 2003

"2003 MINI COOPER S AUTOMOBILE EXPERIENCES A NOTICEABLE AND SIGNIFICANT STUMBLE WHEN ENGAGING FIRST GEAR AND ACCELERATING FROM A STOPPED POSITION. THE STUMBLE IS SIGNIFICANT ENOUGH TO CAUSE A STALL CONDITION AND RESULTS IN UNRELIABLE THROTTLE RESPONSE. THE PROBLEM IS WORSE AT HIGHER RPM ENGAGEMENTS, IN HOTTER WEATHER, AND WITH THE AC ENGAGED. THE STUMBLE FEELS LIKE A MOMENTARY LOSS OF POWER AND THEN SHORTLY THEREAFTER, POWER IS RETURNED TO THE WHEELS. THE PROBLEM OCCURS ON VIRTUALLY EVERY ENGAGEMENT BUT IS CONSIDERABLY WORSE ON THE FIRST ENGAGEMENT AFTER THE CAR HAS SAT FOR SEVERAL HOURS WITH THE ENGINE OFF. THE PROBLEM IS LESS SEVERE WHEN TURNING THE CAR LEFT OR RIGHT WHILE ENGAGING FIRST GEAR. THIS ISSUE RENDERS THE THROTTLE RESPONSE UNRELIABLE AND CAN STALL THE AUTOMOBILE AT UNEXPECTED TIMES. NO CRASHES HAVE OCCURRED AT THIS TIME BUT THE POTENTIAL FOR A REAR-END COLLISION DUE TO A STALL OR A SIDE IMPACT COLLISION DUE TO STALLING WHEN CROSSING AN INTERSECTION IS PRESENT. ADDITIONAL ISSUES RELATED TO ENGINE MANAGEMENT AND THROTTLE RESPONSE OCCUR IN THE SAME AUTOMOBILE HAVE OCCURRED BUT THESE ADDITIONAL PROBLEMS HAVE BEEN INTERMITTENT AND DIFFICULT TO REPRODUCE. IN GENERAL, THE ADDITIONAL PROBLEMS SEEM TO OCCUR IN ON TEMPERATURE DAYS WITH AC ENGAGED AND INCLUDE A FULL LOSS OF POWER FOR AN EXTENDED PERIOD OF TIME WHILE ENGAGING FIRST GEAR AND A NOTICEABLE SURGING DURING ACCELERATION AS IS THE DRIVER WAS PRESSING AND RELEASING THE GAS." I AM EXPERIENCING THE EXACT SAME PROBLEM. I WOULD ONLY LIKE TO ADD THAT A CAR HAD TO MOVE INTO THE MEDIAN BECAUSE MY MINI LOST POWER WHILE ENTERING THE FREEWAY. *JB

NHTSA ID
10039211
Incident
Sep 10, 2003
Mileage
11,400 mi
Engine
Filed Sep 10, 2003

NEW MINI COOPER S AUTOMOBILE (PURCHASED IN JUNE OF 2003) EXPERIENCES A NOTICEABLE AND SIGNIFICANT STUMBLE WHEN ENGAGING FIRST GEAR AND ACCELERATING FROM A STOPPED POSITION. THE STUMBLE IS SIGNIFICANT ENOUGH TO CAUSE A STALL CONDITION AND RESULTS IN UNRELIABLE THROTTLE RESPONSE. THE PROBLEM IS WORSE AT HIGHER RPM ENGAGEMENTS, IN HOTTER WEATHER, AND WITH THE AC ENGAGED. THE STUMBLE FEELS LIKE A MOMENTARY LOSS OF POWER AND THEN SHORTLY THEREAFTER, POWER IS RETURNED TO THE WHEELS. THE PROBLEM OCCURS ON VIRTUALLY EVERY ENGAGEMENT BUT IS CONSIDERABLY WORSE ON THE FIRST ENGAGEMENT AFTER THE CAR HAS SAT FOR SEVERAL HOURS WITH THE ENGINE OFF. THE PROBLEM IS LESS SEVERE WHEN TURNING THE CAR LEFT OR RIGHT WHILE ENGAGING FIRST GEAR. THIS ISSUE RENDERS THE THROTTLE RESPONSE UNRELIABLE AND CAN STALL THE AUTOMOBILE AT UNEXPECTED TIMES. NO CRASHES HAVE OCCURRED AT THIS TIME BUT THE POTENTIAL FOR A REAR-END COLLISION DUE TO A STALL OR A SIDE IMPACT COLLISION DUE TO STALLING WHEN CROSSING AN INTERSECTION IS PRESENT. ADDITIONAL ISSUES RELATED TO ENGINE MANAGEMENT AND THROTTLE RESPONSE OCCUR IN THE SAME AUTOMOBILE HAVE OCCURRED BUT THESE ADDITIONAL PROBLEMS HAVE BEEN INTERMITTENT AND DIFFICULT TO REPRODUCE. IN GENERAL, THE ADDITIONAL PROBLEMS SEEM TO OCCUR IN ON TEMPERATURE DAYS WITH AC ENGAGED AND INCLUDE A FULL LOSS OF POWER FOR AN EXTENDED PERIOD OF TIME WHILE ENGAGING FIRST GEAR AND A NOTICEABLE SURGING DURING ACCELERATION AS IS THE DRIVER WAS PRESSING AND RELEASING THE GAS. *JB

NHTSA ID
10037594
Incident
Sep 1, 2003

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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Data on this page last refreshed .