2015 Subaru Forester Fuel System Problems
15 owner-reported fuel system complaints from NHTSA data
Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.
Owner Complaints (15)
I was on the MA Pike in the middle of three lanes going 70mph and all my red lights came on, the engine revved high RPM, then seemed to be getting no gas and next stalled out. The trip computer said I had had 60 miles of gas left until empty, and I still had a bar of gas left showing on the odometer. There were no warnings lights or messages prior to the failure.
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Several times when I slow to turn or slow in traffic then try to accelerate, the car doesn't respond. When I depress the accelerator again, it bucks and surges forward in a jerking motion. Its dangerous because someone following behind me in a turn could run into me or in traffic , I could suddenly surge into someone else's car.
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When you step on the gas to pass another auto, occasionally the auto surges forward at a high rate of speed, not 5-10 miles an hour but more like 25-30. Taking your foot off the gas does nothing as the car continues to get faster and faster. Applying the brake pressed all the way down barely slows the car.
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This is the fourth time we have had the same problem. We were on a long drive (more than 1 hour on the road) on the freeway going 65-70mph. The fuel gauge showed 2 or 3 bars left and the estimated mileage left was 40-70 miles left when the car lost forward power, the lights still worked and electrical systems were functional but it was as though there was not gas left.
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Fuel gauge sending unit not functioning causing car to over report remaining gas mileage. Car runs out of gas though gas gauge still reports roughly 20% tank capacity remaining and ~60 miles or range left. This has happened to me multiple times,racing me stranded on highways at least 6 times.
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Tl* the contact owns a 2015 subaru forester. While driving approximately 70-75 MPH, the fuel gauge indicator displayed approximately 50 miles to empty and the vehicle stalled without warning. The contact was able to restart the vehicle.
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Often when I attempt to accelerate after stopping at a stop sign, the car hesitates, sometimes lunges ahead and then sometimes practically dying before accelerating normally. There have been times when It simply feels like a fuel pump problem and I know that Toyotas with this same Denso fuel pump have had documented problems similar to mine.
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On six occasions since 2020, our Subaru Forester has lost engine power at highway speeds after being driven for 2 hours on an interstate. On each occasion, we had to pull to the shoulder of the road with no engine power and restart the car. On the last three occasions it has taken 15 minutes to restart.
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Same problem as NHTSA id#'s 11299582, 11297748 & 11297188. Dealer first did diagnostic check and found nothing wrong. Two weeks later same issue.
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On 6/7/18 after six hours behind the wheel, while traveling 78mph on cruise control my vehicle suddenly lost all systems, as if it had run out of gas, on interstate 85 in heavy traffic. Miraculously getting onto the right shoulder from center lane I sat for 10-20 minutes in shock.
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LOST COMPLETE POWER AT 70MPH IN CENTER LANE OF EXPRESSWAY. SHIFTED TO NEUTRAL ROLLED TO THE SIDE OF THE ROAD. GAS GAUGE SHOWED 1/8 TANK, 70 MILES, NO FUEL LIGHT.. SUBARU SAID FUEL PUMP OVERHEATED AND THAT YOU SHOULD NEVER DRIVE WITH LESS THAN 1/4 TANK. COMPLETE LOSS OF POWER WITH NO WARNING ALMOST CAUSED A CATASTROPHIC ACCIDENT. VEHICLE WAS TOWED BY AAA TO SUBARU DEALER. VEHICLE WAS UNRESPONSIVE TO AAA AFTER SITTING FOR 90 MINUTES WAITING. DEALER SAID FUEL PUMP IS COOLED BY FUEL AND RUNNING IT WHEN FUEL IS LOW CAUSES PUMP FAILURE. VERY CASUAL, WE ALMOST DIED!. REPAIR RECORD ATTACHED.
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I was approaching a light that turned green, and when I touched the accelerator, no gas. Pulled around the corner, and put in park, engine revved high RPM. Check engine light, xmode light, and another 'car on hill' light came on dash'..messages on display window 'hill start assist system' and 'emission control system' messages flashed.
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On two occasions about a week apart, after slowing to make a right turn, the car suddenly lost all power mid turn for approximately 4 seconds. This caused the cars behind me to have to slam on their brakes & I was nearly hit both times. No check engine light came on.
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I had my new vehicle only 4 days with 120 miles or so that I personally put on it. I was out one day and came to a stop sign and stopped. The car just powered down to not running at all.
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I was driving on the highway at about 60mph and suddenly the gas pedal seemed to lose pressure. Then all of the lights came on the dash as the car stopped. I had to wait about 10 minutes and try restarting 10+ times until it finally would stay running and allow us to get off the highway.
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