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2018 Subaru Forester Engine Problems

14 owner-reported engine complaints from NHTSA data

14
Complaints
1
Crashes
1
Fires
Jan 2025Dec 2024
Date Range

Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.

Owner Complaints (14)

criticalENGINE
FireFiled: Feb 2022

I was driving on a normal roadway when a pulley began to make a loud screaming sound. Then I heard two loud pops. I pulled to the side of the road.

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NHTSA #: 11451796
highENGINE
Filed: Mar 2026

Your air conditioning compressor seized up, which caused the serpentine belt to break. This appears to be a known issue affecting this year and model. You'll need to replace both the A/C compressor and the serpentine belt.

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NHTSA #: 11725910
highENGINE
Filed: Jan 2025

For the second time we were on the freeway at a hight speed and the car suddenly lost power, all the warning lights came on, and we had to get off the freeway (dangerously). We almost got hit, and other cars had to brake radically. We took it in to Subaru and they said the catalytic converter was bad.

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NHTSA #: 11636125
highENGINE
Filed: Dec 2024

We were driving at 70mph on the freeway, left lane, and suddenly the car lost power as if the fuel pump went out. We had to suddenly get over to the shoulder of the freeway, almost got hit, then limped along the shoulder until we called a tow truck which towed us 40 miles to Subaru dealer. The dealer looked at the car and "couldn't find anything." Now we are afraid to drive the car.

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NHTSA #: 11632993
mediumENGINE
Filed: May 2025

Ticking noise on cold start up as well as reduced acceleration speed and torque. Diagnostics point me to believe the AVCS solenoids are beginning to fail prematurely. This has not been confirmed by a dealership and the issue is reproduced during any driving.

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NHTSA #: 11662111
mediumENGINE
Filed: May 2022

Smelled car exhaust entering the cabin, took to dealer for inspection. Exhaust manifold part is actually warped and separated from the engine (not gasket issue). Apparently this problem is known by the dealer service shops, but is undisclosed by Subaru.

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NHTSA #: 11463322
mediumENGINE,FUEL/PROPULSION SYSTEM
Filed: Jun 2021

When applying gentle gas pressure at low speed car does not respond for 2-4 seconds, then lurches strongly forward as tho full throttle has been applied. Happens at random times. Dealer said nothing wrong when first happened 2 years ago.

NHTSA #: 11420349
mediumENGINE
Filed: Apr 2021

Exhaust manifold gasket leaks at both 30,0000 and 65,000 miles. Car was making whistling sounds when starting that are exceptionally notably only in cold weather. Unknown how long leaks were there as they only loud during the cold months.

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NHTSA #: 11408646
mediumENGINE
Filed: Apr 2021

Exhaust gasket leak. Only notable when cold as it makes a whistling sound. Issue has happened 2 times

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NHTSA #: 11408648
mediumENGINE
Filed: Jan 2021

Cam shaft seal leak. Under warranty but the vehicle has only 37,000 miles. Was told that they replaced felt sesls with a silicone seal therefore there are more problems.

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NHTSA #: 11390582
mediumENGINE
Filed: Dec 2020

When driving, sometimes my car loses power temporarily. It happens at times when I am going up an incline, but it has also happened on flat surfaces.

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NHTSA #: 11385161
mediumENGINE,FUEL/PROPULSION SYSTEM
Filed: Nov 2019

Tl* the contact owns a 2018 subaru forester. While changing the oil in the vehicle, the contact noticed fuel inside the engine oil. There were no warning indicators illuminated.

NHTSA #: 11282706
mediumENGINE
Filed: May 2018

2018 subaru forester 2.5i automatic CVT: defective low gear - safety issue. 21 days after purchase took it to durango colorado mountains, put it in low gear before descending and the low gear never kicked in to slow the vehicle down. Stopped multiple times to re-attempt and low gear failed each time.

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NHTSA #: 11097195
lowENGINE
CrashFiled: Nov 2024

Went to car wash,car was in nuetral after after wash finished I put the car in drive and it accelerated into the street at a very high rate of speed my foot was not on the gas.

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NHTSA #: 11624626

Other 2018 Subaru Forester Issues