RoadVitals

2006 Subaru Forester 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.
22
Latest Sep 3, 2021
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.
25%
of 88 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.
5
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 2006 Subaru Forester submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 22 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

Driver assistanceEngine
Filed Sep 3, 2021

Five years ago my "check engine" light came on and the cruise control light came on and it would not work. I took it to Suberu in Fort Worth and they couldn't find the problem bu tsaid my gas cap was not sealing. God new one but didn't help. This year when I went to get it checked for regisration they woudn't pass it. Took it to mechanic who installeda new Evaprotive Vapor Canister for $920. That didn't work but wouldn't try again. Later another mecanic said the problem was "Not enough driving". (less that 100 miles a month. I have been driving the car with the check engine on an no cruise control for 6-7 years with no trouble, so it is a fault of the car's systems. I can't get it registered because of this problem. I can disconnedt the negative battery post briefly and the light goes off for a day or two. So what can you do for me? I love the car but hate the problem. I am 90, but that's not the problem.

NHTSA ID
11431652
Incident
Sep 13, 2015
Driver assistanceEngineFuel system
Filed Aug 31, 2021

As I was going down the road my car sped up and my foot was off the gas pedal as the pedal was stuck-I managed to stop my car but not before it reached 75 mph in a 50 I was originally going 50

NHTSA ID
11431144
Incident
Aug 31, 2021
Engine
Filed Jun 17, 2019
Fire reported

SITTING IN THE CAR, ENGINE RUNNING; HAD PULLED OVER FOR A COUPLE MINUTES TO LET PASSENGER OUT. NOTICED SMOKE STARTED TO SEEP OUT FROM ENGINE. CHECKED TEMP GAUGE AND SAW IT WAS COOL. TURNED OFF ENGINE AND MOVED AWAY FROM THE CAR IMMEDIATELY. AFTER A MINUTE OR TWO, SAW FLAMES COMING OUT FROM ENGINE COMPARTMENT. CALLED THE FIRE DEPARTMENT, THEY ARRIVED WITHIN A FEW MINUTES AND EXTINGUISHED THE ENGINE FIRE. ENGINE, FRONT TIRES, EVERYTHING IN ENGINE AREA COMPLETELY DESTROYED BY THE FIRE. PRIOR TO THIS, NO PROBLEMS, NO ENGINE LIGHT LIT, NO UNUSUAL SOUNDS OR HANDLING OR SMELLS, NOTHING TO INDICATE ANYTHING WAS WRONG.

NHTSA ID
11220664
Incident
Jun 15, 2019
Mileage
130,000 mi
Engine
Filed Sep 13, 2017
Fire reported

ON JULY 30, 2017, WHILE DRIVING ON A SOUTHEASTERN MICHIGAN FREEWAY (M-14), OUR 2006 SUBARU FORESTER'S ENGINE SUDDENLY AND WITHOUT WARNING CAUGHT FIRE. EMERGENCY PERSONNEL RESPONDED AND VEHICLE IS A TOTAL LOSS. EVEN OLDER VEHICLES SHOULD NOT SPONTANEOUSLY CATCH FIRE WITHOUT A REASON. THIS WAS A VERY TRAUMATIC EVENT FOR OCCUPANTS OF VEHICLE AND ONE HAD TO TAKE ANTI-ANXIETY MEDICATION. UPDATED 10/23/2017*JS

NHTSA ID
11023020
Incident
Jul 30, 2017
Mileage
68 mi
EngineFuel system
Filed Dec 19, 2016

UPON START UP IN COLD WEATHER THERE IS A VERY STRONG SMELL OF FUEL INSIDE THE CABIN OF THE CAR. IT MADE MYSELF AND MY DAUGHTER FEEL VERY ILL. HAD TO EXIT MY 2006 SUBARU FORESTER XT. INSPECTED ENGINE UNDER THE HOOD TO FIND LEAKING FUEL LINES. GOOGLED THE PROBLEM TO DISCOVER IT IS REACURRENT WITH THIS MAKE/MODEL/YEAR AS EVIDENT BY SIMILAR COMPLAINTS IN SUBARU FORUMS, GOOGLE SEARCH, AND FB PAGES. THIS IS A DANGER TO HEALTH AND SAFETY AND SHOULD BE RECALLED. VEHICLE IS UNDER 100,000 MILES. LEAKING FUEL DRIPS DIRECTLY ONTO THE ENGINE CYLINDER AND CLOSE PROXIMITY TO THE TURBOCHARGER ON THE PASSENGER SIDE. THERE IS SIGNIFICANT RISK OF ENGINE FIRE! HEALTH AND SAFETY RISK ALSO FROM THE FUEL FUMES IN THE ENGINE CABIN. SUBARU DEALERSHIP QUOTED $1,300. TO FIX.

NHTSA ID
10936146
Incident
Dec 15, 2016
Mileage
80,000 mi
Engine
Filed Jul 11, 2016
Crash reported

VEHICLE HAS 44,000 MILES ON MAY 20TH WHILE IN TRAFFIC, CAR SUDDENLY SURGED FORWARD STRIKING VEHICLE IN FRONT, CAR THEN BOUNCED OFF AND HIT THE OTHER VEHICLE AGAIN. ON MAY 25TH WHILE DRIVING TO WORK THE CAR SUDDENLY ACCELERATED; I HAD TO HIT THE GUARDRAIL TO GET IT TO STOP. BOTH TIMES THE BRAKE PEDAL WENT TO THE FLOOR. BOTH TIMES THE SUBARU SERVICE COULD FIND NO CAUSE. NEITHER DID A REP FROM THE MANUFACTURER.

NHTSA ID
10884150
Incident
May 20, 2016
Mileage
44,400 mi
Driver assistanceEngineFuel system
Filed May 8, 2016

PURCHASED IN AK IN 2006. APPROXIMATELY 13,000 MILES ON ENGINE. PAPERWORK LISTED ENTRY-POINT: HAWAII. CURRENT 2016 MILEAGE: LESS THAN 60,000. WELL-MAINTAINED VEHICLE.----- UPON ACCELERATION, THE ENGINE SOMETIMES LURCHES AND REVS TOO HIGH TOO FAST, AND THEN SETTLES INTO HOW IT IS SUPPOSED TO FEEL AND SOUND. OTHER TIMES, IT SUDDENLY LOSES POWER INSTEAD, LURCHING DOWN LIKE WE'VE TAKEN OUR FOOT OFF THE GAS (BUT WE HAVEN'T BECAUSE WE ARE ON A HIGHWAY OR FREEWAY!), VERY BRIEFLY AND THEN RECOVERS.ONE TIME, JUST A FEW WEEKS AGO, IT FELT LIKE I'D LOST ALL POWER AND THE CAR WAS GOING TO STOP IN THE MIDDLE OF THE BUSY HIGHWAY, BUT IT IMMEDIATELY RECOVERED AND THEN FELT NORMAL.

NHTSA ID
10863825
Incident
Apr 21, 2016
Mileage
54,000 mi
EngineFuel system
Filed May 8, 2016

PURCHASED IN AK IN 2006. APPROXIMATELY 13,000 MILES ON ENGINE. PAPERWORK LISTED ENTRY-POINT: HAWAII. CURRENT 2016 MILEAGE: LESS THAN 60,000. WELL-MAINTAINED VEHICLE. --- IN COLD WEATHER, DESPITE BEING GARAGED, INTERMITTENT STRONG SMELL OF FUEL IN GARAGE AND UPON START-UP. SOMETIMES THE ODOR IS PRESENT BEFORE STARTUP. OTHER TIMES ODOR NOT PRESENT UNTIL ENGINE STARTS. GOES AWAY WHEN ENGINE WARMS. USED TO BE IN ONLY VERY COLD WEATHER, THEN IN 2015 IT HAPPENED IN COLD BUT NOT AS COLD WEATHER. RECENTLY, IN 2016, IT HAPPENED IN GARAGE IN WARM WEATHER STATE, SO COLD WEATHER NO LONGER NECESSARY VARIABLE. AGAIN, IT IS INTERMITTENT. THIS ISSUE FIRST BECAME NOTICEABLE IN WINTER OF 2014.

NHTSA ID
10863822
Incident
Jan 1, 2014
Mileage
40,000 mi
EngineFuel system
Filed Feb 19, 2015

WHEN THE TEMP GETS INTO THE TEENS OR LOWER GAS LEAKS IN AND AROUND THE ENGINE. THIS IS DANGEROUS!! I HAVE FOUND FUEL NEAR AREA THAT GET VERY HOT, AND I AM WORRIED ABOUT MY FAMILY STARTING ON FIRE. SOA RECALLED A FEW YEARS TO REPAIR THIS ISSUE, BUT NOT ALL THAT ARE AFFECTED. *TR

NHTSA ID
10684241
Incident
Nov 1, 2013
Mileage
60,000 mi
Engine
Filed Nov 24, 2014

I TOOK MY CAR IN BASED ON A RECALL SENT BY MY DEALERSHIP FOR MY 2006 SUBARU FORESTER LL BEAN MODEL ORIGINAL OWNER. THEY COMPLETED TO SERVICE RECALLS ON MY VEHICLE NONE OF WHICH ARE LISTED ON THIS WEBSITE.WVL22 AND WVU31. THE WVU31 WAS TO REPROGRAM MY ECM. AS I WAS DRIVING HOME AFTERWARDS THE CHECK ENGINE LIGHT IMMEDIATELY CAME ON AND MY CRUISE LIGHT BEGAN TO FLASH. I CALLED THE DEALER IMMEDIATELY WHO ADVISED IT WAS SAFE TO DRIVE IF THE CHECK ENGINE LIGHT WAS SOLID AND NOT FLASHING WHICH IT WAS. HE DENIED IT COULD BE RELATED TO THE WVU31 REPROGRAM OF THE ECM BUT I ADVISED THAT MY VEHICLE WAS FINE NOT DUE FOR ANY SERVICE AND HAD NO ISSUES PRIOR TO BRINGING TO THE DEALERSHIP FOR THE REPROGRAM. I NOW HAVE TO RETURN THE CAR TO THE DEALERSHIP AND THEY SAID ONLY "IF THE CHECK ENGINE LIGHT IS RELATED TO THE RECALL" WOULD THEY FIX IT. I BELIEVE THIS IS DEFINITELY CAUSED BY THE REPROGRAM OF THE ECM AND THERE ARE A MULTITUDE OF COMPLAINTS ON A WEBSITE REGARDING MANY PEOPLE COMPLAINING THAT WITHIN MILES OF DRIVING AFTER THE WVU31 REPROGRAM FIX THAT THE SAME THING HAPPENED AND THEY WERE ALL TOLD THAT THEY HAD TO FIX SOMETHING OR REPAIR SOMETHING AT A COST. THIS IS UNCONCEIVABLE AS I NOW HAVE TO RETURN TO A DEALERSHIP THAT IS OUT OF MY WAY, MISS WORK AND RETURN THE VEHICLE AND ONLY HOPE THAT THEY DO NOT CLAIM IT IS ANOTHER PROBLEM. IF THEY DO THEN I AM STUCK WITH ANOTHER REPAIR. I BELIEVE THAT THIS WVU 31 REPROGRAM IS DEFECTIVE AND IS CAUSING ISSUES THAT ARE LEADING TO ADDITIONAL AND UNNECESSARY REPAIRS. MY CAR WAS JUST FINE AND BELIEVE HAD I DONE NOTHING AS I AM PLANNING TO BUY A NEW CAR THIS YEAR IT WOULD HAVE BEEN FINE. BUT I TRIED TO DO THE RIGHT THING AND TAKE IT IN FOR SERVICE DUE TO THE RECALL NOTICE. I BELIEVE THIS IS TOTALLY ERROR PRONE. *TR

NHTSA ID
10660712
Incident
Nov 24, 2014
Mileage
95,200 mi
Driver assistanceEngine
Filed Oct 10, 2013
Crash reported

THE BUS HAD JUST DROPPED OFF MY SON. I TURNED ON THE CAR AND PROCEEDED TO ROLL DOWN THE HILL TO THE CORNER WHERE I WAS GOING TO MAKE A RIGHT TURN. (ABOUT 4 CAR LENGTHS FROM MY ORIGINAL PARKED SPOT) ALL OF A SUDDEN THE CAR WAS NOT RESPONDING TO MY FOOT OR STEALING COMMANDS. I ROLLED ONTO THE FRONT LAWN OF THE CORNER PROPERTY. AS SOON AS WE CAM TO A STOP I SHUT THE ENGINE AND PUT THE CAR IN PARK. I OPENED THE DOOR, TOOK A LOOK AT THE CAR AND THEN TRIED TO START THE CAR AGAIN. I STARTED THE CAR AND IT WAS MAKING LIKE A REVING NOISE. I WHEN TO PUT THE CAR IN REVERSE TO BACK OFF THE LAWN (ALL THE WHILE MY FOOT IS ON THE BRAKE.) AND ALL OF A SUDDEN THE CAR LURCH BACKWARDS WITH SUCH FORCE AND SPEED. I WAS ALMOST STANDING IN PLACE WITH THE FORCE I WAS TRYING TO BRAKE. THE CAR WOULD NOT RESPOND AND I CAME TO A FULL STOP AFTER CROSSING THE ROAD AND INTO ANOTHER FRONT LAWN AND CRASHING IN TO THE PORCH OF THAT PROPERTY. TOTALED VEHICLE !!! *TR

NHTSA ID
10547476
Incident
Oct 9, 2013
Mileage
141,000 mi
Engine
Filed Jul 30, 2013
Fire reported

FIRE STARTED UNDER THE HOOD WHILE VEHICLE WAS STOPPED AT A TRAFFIC LIGHT. THE INSURANCE INSPECTOR STATED THAT THE FIRE STARTED IN THE RADIATOR FAN. VEHICLE WAS DECLARED A TOTAL LOSS BY THE INSURANCE COMPANY. *TR

NHTSA ID
10532728
Incident
Jul 3, 2013
Mileage
125,817 mi
Engine
Filed Jun 22, 2012

WHEN I TOOK MY CAR IN FOR IT'S 90000 MILE SERVICE, I WAS SHOWN THAT THERE WAS OIL LEAKING FOR THE DRIVERS SIDE HEAD GASKET. I WAS INFORMED THAT THIS IS A COMMON PROBLEM FOR SUBARU FORESTERS FROM THE LATE 1990S THRU 2009. APPEARS TO BE A FAULTY DESIGN, WHICH SUBARU HAS NOT OWNED UP TO. MY ONLINE SEARCH LOCATED A LARGE NUMBER OF COMPLAINTS BY SUBARU FORESTER OWNERS ON THIS DESIGN FLAW. *TT

NHTSA ID
10462745
Incident
Jun 6, 2012
Mileage
90,000 mi
Engine
Filed Oct 4, 2011

HEAD GASKET LEAKING OIL CONFIRMED BY DEALER IN SEPTEMBER 2011. *TR

NHTSA ID
10428463
Incident
Sep 1, 2011
Mileage
48,000 mi
Engine
Filed Jul 13, 2010

VEHICLE WAS REPAIRED SEVERAL MONTHS AGO PURSUANT TO A SAFETY RECALL INVOLVING THE FUEL FILTER. AS A RESULT, THE CATALYTIC CONVERTERS WERE DAMAGED AND REQUIRED REPLACEMENT, CONDUCTED AS PART OF THE RECALL. RECENTLY, THE VEHICLE UNEXPECTEDLY OVERHEATED AND CAUSED SIGNIFICANT DAMAGE TO THE ENGINE, WITHOUT ANY CHECK ENGINE SENSOR OR OTHER INDICATOR SIGNIFYING SUCH A PROBLEM. *TR

NHTSA ID
10343081
Incident
Jul 10, 2010
Mileage
73,000 mi
Engine
Filed Feb 25, 2010

HEAD GASKET LEAKING OIL AGAIN (5000MILES LATER) AFTER BEING REPAIRED BY SUBARU DEALER WHILE CAR WAS UNDER WARRANTY. CAN SMELL HOT OIL AFTER A LONG DRIVE ON FREEWAY AND HAVE SEEN WISPS OF SMOKE COMING FROM UNDER HOOD. THERE IS THE POTENTIAL FOR AN UNDERHOOD OIL FIRE IF LEAK GETS WORSE. *TR

NHTSA ID
10314406
Incident
Apr 10, 2009
Mileage
49,000 mi
Engine
Filed Jun 13, 2009

ENGINE LIGHT, FAILURE OF CRUISE CONTROL. DEALER REPLACED AIR PUMP (PART #14828AA030) AND ENGINE CONTROL MODULATOR. DEALER DISCOUNT 50% "GOODWILL." PART WAS 4,611 OUT OF WARRANTY. ONE WEEK LATER SAME PROBLEM RETURNED, DEALER STATES CAR NEEDS OXYGEN VALVES AND THERE IS A NATIONAL BACK ORDER ON PARTS. SUBARU IS OFFERING THE PARTS FOR FREE (INDICATING THERE IS A KNOWN PROBLEM) BUT WANTS TO CHARGE LABOR ~$500. PARTS MAY BE UNAVAILABLE FOR SEVERAL WEEKS. FIRST SERVICE FAILED TO PROPERLY DIAGNOSE PROBLEM. *TR

NHTSA ID
10273692
Incident
May 20, 2009
Mileage
54,611 mi
EngineFuel system
Filed Dec 28, 2008

I HAVE A HESITATION WHEN ACCELERATING FROM A STOP CAUSED BY MY VEHICLE'S DRIVE BY WIRE THROTTLE BODY. THIS HESITATION IS ONGOING DESPITE AN ECM REPROGRAMMING DONE BY THE DEALER ON 12/16/08. IT IS BAD ENOUGH THAT I'M AFRAID I'M GOING TO GET INTO A COLLISION SOMETIME. *TR

NHTSA ID
10252993
Incident
Dec 28, 2008
Mileage
43,944 mi
Engine
Filed Dec 27, 2008

HEAD GASKET LEAK ON THE DRIVER'S SIDE CYLINDER HEAD OF A 2006 SUBARU FORESTER X. MOM'S CAR (ALSO A 2006 SUBARU FORESTER X) HAS IDENTICAL HEAD GASKET LEAK BUT ON THE PASSENGER'S SIDE CYLINDER HEAD. THERE IS THE POSSIBILITY OF OIL DRIPPING ON THE HOT EXHAUST MANIFOLD. MY CAR HAS HAD THE HEAD GASKETS REPLACED UNDER WARRANTY. HER CAR IS YET TO BE REPAIRED. *TR

NHTSA ID
10252931
Incident
Feb 18, 2008
Mileage
34,576 mi
AirbagsDriver assistanceEngine
Filed Dec 3, 2007

TL*THE CONTACT OWNS A 2006 SUBARU FORESTER. THE AIR BAG CONTROL MODULE FAILS TO ACTIVATE AT LEAST ONCE PER WEEK. ON EACH OCCASION, THE PASSENGER SIDE AIR BAG OFF LIGHT ILLUMINATES. THE OCCUPANT DETECTION SENSOR DOES NOT RECOGNIZE A PASSENGER SITTING IN THE FRONT PASSENGER SEAT. THE PASSENGER SIDE AIR BAG ALSO DOES NOT ACTIVATE WHEN THE VEHICLE IS STARTED APPROXIMATELY ONCE OUT OF 20-30 STARTS. THE CONTACT'S WIFE WEIGHS 120 LBS AND IS 5'5 INCHES TALL. SHE SITS ERECTLY WITH THE SEAT BACK NEARLY VERTICAL. THE FAILURES HAVE BEEN REPORTED AND INVESTIGATED BY THE DEALER AND MANUFACTURER. THE MANUFACTURER STATED THAT THE "OCCUPANT PROTECTION SYSTEM IS WORKING AS ITS DESIGNED INTENT AND AS SUCH WE ARE UNABLE TO RECOMMEND A REPAIR OR MODIFICATION". THE CURRENT MILEAGE WAS 28,000 AND FAILURE MILEAGE WAS 13,421. UPDATED 01/03/08 *BF OIL WAS LEAKING ONTO THE EXHAUST SYSTEM, THE ENGINE WOULD SURGE AND SAG DURING SLIGHT DOWNGRADES WITH THE THROTTLE HELD JUST OFF IDLE AND SPEED HELD CONSTANT, THE SPEED CONTROL OVER AND UNDER SHOOTS ON SLIGHT GRADES, IT WOULD NOT GO TO FULL THROTTLE, OR TO CLOSED THROTTLE WHEN SPEED CONTROL WAS ACTIVATED. UPDATED *JB

NHTSA ID
10210649
Incident
Aug 30, 2006
Mileage
13,421 mi
ElectricalEngine
Filed Nov 24, 2006

THERE ARE TWO PROBLEMS WITH THE 2006 SUBARU FORESTER THAT I HAVE. IT HAS LESS THAN 5000 MILES ON IT AND CONTINUALLY FAILS TO START, WHETHER FROM A COLD START OR A WARM START. THE ENGINE WILL ATTEMPT TO CRANK BUT WILL NOT CATCH AND ACTUALLY TURN OVER. THIS ISSUE HAS HAPPENED MULTIPLE TIMES. I TOOK THE CAR INTO THE DEALERSHIP AND THEY STATED THAT I HAD TO HOLD THE IGNITION SWITCH IN THE ACC POSITION TO "PRIME THE LINES." I'VE NEVER HEAD OF HAVING TO PRIME A CAR IN THIS DAY AND AGE. HOWEVER, I SINCE HAVE TRIED DOING THAT AND THE ISSUE STILL PERSISTS. ALSO, THE CARE WILL SURGE IN POWER AT VARIOUS SPEEDS. WHEN I LET UP ON THE GAS WHEN TRYING TO SLOW DOWN ,THE CAR WILL ACTUALLY REV UP. THIS HAPPENED IN THE SNOW THE OTHER DAY AND I ALMOST COMPLETELY LOST CONTROL OF THE CAR. IF THAT CAR IS GOING TO SURGE LIKE THIS IT COMPLETELY NEGATES THE PURPOSE OF HAVING ALL WHEEL DRIVE. THIS IS A GRAVE SAFETY CONCERN. I THOUGHT SUBARU'S WERE SUPPOSED TO BE GOOD CARS. I GUESS I THOUGHT WRONG. I'VE TAKEN THE CAR IN FOR THE SURGE ISSUE AND THE DEALERSHIP SAID THERE WAS NOTHING THEY COULD DO AND THAT THERE WERE NO RECALLS FOR THE PROBLEM. *NM

NHTSA ID
10174190
Incident
Oct 20, 2006
Mileage
2,500 mi
Engine
Filed Jun 19, 2006

DT*: THE CONTACT STATED WHILE PULLING OUT AT VARIOUS SPEEDS THE VEHICLE HESITATED WITHOUT WARNING. THE HESITATION OCCURRED INTERMITTENTLY EACH TIME. UPON INSPECTION THE DEALERSHIP WAS UNABLE TO REMEDY THE PROBLEM. THE MANUFACTURER WAS NOT ALERTED.

NHTSA ID
10160189
Incident
Jun 19, 2006
Mileage
7,500 mi

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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Elsewhere on this vehicle

Data sources

Data on this page last refreshed .