2018 Subaru WRX problems

Filed Oct 2, 2026 · Engine · CO

On June 24, 2026, my stock 2018 Subaru WRX Limited experienced a sudden catastrophic internal engine failure at approximately 67,319 miles while I was driving. I first heard an intermittent ticking/noise under acceleration. Within about two miles, the noise became much louder, followed by a loud pop, sudden loss of power, and smoke from the engine bay. I was able to get the vehicle stopped safely. I do not recall a warning light or message before the failure. The vehicle was towed to an authorized Subaru dealer. A full engine teardown found catastrophic internal damage concentrated in cylinders/rod bearings 2 and 3, including multiple holes in the engine block, while cylinders 1 and 4 were comparatively intact. The service advisor stated that the damage pattern did not appear consistent with generalized lack of oil and that recent over-revving was not indicated by the vehicle data. An independent inspection on September 17, 2026 confirmed catastrophic internal material failure involving cylinders 2 and 3, crankshaft damage, a deeply gouged cylinder wall, and metal debris associated with the failure. The inspector found no modifications, abuse, commercial use, or outside influence. This sudden loss of engine power and smoke while driving created a safety risk because the vehicle could no longer maintain normal power in traffic and there was concern about further mechanical damage or fire. The failed engine and disassembled components remain available for inspection, along with dealer teardown records, photographs, and the independent inspection report. The vehicle was stock and serviced through authorized Subaru dealerships. The exact initiating cause of the failure remains undetermined.

Filed Jul 1, 2026 · OH

Refused to change the rear catalyst due to a modification. I said I would return it back to the original factory tune and they said it was impossible and refused to do it. The tune physically wouldn’t stop them from changing the catalytic converter. They said that the ecu would let them. I can put the factory CID on the vehicle for the work to be done. The catalyst threshold is below efficiency and it’s their mistake. This is now going to cost me out of pocket which is not fair. Again this tune can be ininstalled back to factory so they can reflash the ecu like they need to. They refused to answer my questions and sent me away. Now on this website they must have reported it being fixed but it has not absolutely.

Filed Jun 6, 2026 · CA

Subaru Orange Coast and Ocean Subaru of Fullerton refused to work on my recall due to my car has aftermarket parts not related to the recall. The dealership is very keen in extorting money to the naïve customers instead of fixing the safety issue with my car.

Filed Feb 17, 2026 · Electrical, Visibility · CA

2/17/2026 Mileage 96,000 Subaru case number Case # 260217-2101937 Vehicle intermittently indicates reverse gear while driving forward at speed. Backup camera activates and reverse lights illuminate while in forward motion. This condition matches the federal safety agency Recall 22V-522000. The recall repair was previously performed but the safety defect persists. Manufacturer was contacted and declined further repair despite active safety condition.

Filed Aug 26, 2025 · Engine · PA

Oil changes always done, no modifications to vehicle. Driving down road lights all come one and car starts smoking. Rod broke and put hole in engine.

Filed Aug 20, 2025 · Fuel system · ID

Shortly after purchase (within 1 month), a strong raw gasoline vapor odor began entering the passenger cabin, strongest near the driver’s side rear seat and rear wheel well area. The odor intensifies at idle and after short periods of driving, filling the interior cabin with fuel fumes. The smell is so strong that it causes dizziness and headaches when operating the vehicle. This is not an isolated occurrence — Subaru’s own service technicians were able to replicate the issue and confirmed the smell, but reported that smoke and pressure testing showed “no leaks.” Despite replacing the evaporative canister, purge valve, and fuel check valve, the problem persists. The dealership has admitted they cannot determine the source of the vapors. Safety Concern: This condition presents a serious safety hazard because: •Fuel vapors are toxic and pose an immediate health risk to occupants breathing them inside a closed cabin. •Gasoline vapors are highly flammable, creating a potential fire/explosion risk if vapors accumulate near ignition sources. •Subaru has suggested the condition is “normal under certain circumstances” and advised me to alter my driving habits (avoid idling, use engine braking). This is not an acceptable or safe resolution. Attempts to Remedy: •Vehicle has been at the Subaru dealership for over two weeks. •Multiple components in the evaporative emission system were replaced (canister, check valve, purge vent). •Subaru engineers have been contacted but no permanent fix has been provided. •Dealership admitted another customer reported a similar issue in a newer model, but stated it was “normal.” Summary: This is not normal vehicle operation. A car cabin filling with raw fuel vapor represents a defect affecting safety. Subaru has failed to remedy the issue despite multiple repair attempts, and is minimizing it rather than acknowledging it as a defect.

Filed Jul 20, 2025 · Transmission · AL

When accelerating from a stop, the car is having trouble accelerating despite having the accelerator fully depressed. The engine sounds like it is roaring, but hardly any power is being produced. When the vehicle hits about 35-40mph, the engine surges and then full power is produced. It feels like potentially an issue with the turbo or the transmsission. This is creating a significant safety hazard as the vehicle is behaving unpredictable and could lead to an accident when having to accelerate into traffic or merge. The vehicle has already had 3 CVT transmission replacements under factory warranty. The vehicle currently has approximately 47,000 miles but is outside factory warranty now.

Filed Mar 13, 2025 · Engine, Fuel system · CA

I have been experiencing a strong fuel odor both inside and outside the cabin when starting the engine. After several months of experiencing this issue, I recently had my vehicle fully inspected by an authorized Subaru dealership, and they confirmed a critical fuel leak issue. The dealership discovered that the high-pressure fuel pipe is leaking, as confirmed by a camera inspection of the engine bay. They have deemed the vehicle unsafe to drive and have strongly advised against further use due to the potential fire hazard. It is important to note that my vehicle has never been involved in an accident, and no prior mechanical work has been performed in the affected area, which suggests this may be a manufacturing defect.

Filed Sep 12, 2024 · CA

Cluth was replaced at a little over 50,000 miles and throw out bearing failed within 200 miles of the break in period. Took it back to dealer and they found that the throw out bearing was faulty and they replaced it. A year later same sound that was heard after replacement came back (almost like a chirping sound), took the car in for them to examine the car and determine if the throw out bearing waa faulty again. Associate who helped indicated that if it was the throw out bearing it would be covered, once the mechanic checked the car they found a front valve leak, at first indicated that the throw out bearing was fine and then changed that. They also indicated that the entire clutch needed to replace again even though it was just replaced a year ago. They indicated that there were hot spots on the clutch and that it was due to my driving. I did reach out to SOA but they indicated that the dealer told them that it was my fault and they shouldn't help me.

Filed Sep 1, 2024 · Brakes, Electrical · NY

Fuel pump failing Reverse switch failing