Volkswagen
Tiguan

Due to a faulty PCV valve, the entire engine wiring harness needed to be replaced at 69,000 miles. The valve cover and camshafts were replaced, engine components were reassembled with mandatory bolts and gaskets. Lower timing cover was leaking on the passenger side due to the faulty PCV valve and the Caracole canister and leak detection pump. These were replaced along with the canister due to oil contamination. The EVAP lines were blown out and the N80 valve was replaced. As a result, the vehicle sustained $7,200 in repairs because of the damage to the engine due to the faulty PCV valve.

Purchased new; problems began early in ownership and have recurred despite multiple dealer visits. At ~75,995 miles in July 2025, the vehicle developed a significant engine oil leak. Multiple inspections have found the engine oil level low due to leaks from cracks, and the dealer also verified excessive crankcase pressure from a faulty PCV system that forced oil past sealing surfaces. Parts replaced included the PCV/separator, upper timing cover, a related pipe, and the oil filler funnel; DTCs were cleared and the vehicle was returned as “operating to specifications.” Despite these repairs, the vehicle has an ongoing pattern of engine problems, including warning lights and loss of power/limp mode while driving. This creates a safety risk due to sudden power reduction and the possibility of engine damage from oil starvation and continued leakage. I have repair records documenting the July 2025 diagnosis and parts replaced, prior visits showing repeat engine/drivability issues, and notes reflecting low oil observed on multiple inspections. Volkswagen denied assistance and directed me to BBB AUTO LINE; I am refiling with BBB and reporting this safety concern to NHTSA. No crash or fire; safety risk is loss of power and oil leakage while in operation.

PCV failure that requires replacement of Cylinder head.

I had routine oil change. I picked up my car and immediately the red warning light came on. I called garage. They said it was PVC valve for high pressure. I fixed that. This is next routine oil change. Now the accessory bracket seal and oil cooler seal need to be repaired. My car only has 68,340k on it. I see there are many complaints on line about this issue.

I was informed from the Volkswagen dealership of where I purchased the vehicle that there are malfunctions with the Lane Assist system and other driver assistance functions caused by a fault in the steering wheel. However, I was also told that Volkswagen no longer manufactures or provides a replacement steering wheel for my vehicle. This leaves me without a viable solution to restore the safety systems that are integral to the vehicle’s operation.

The car puffs smoke out the tail pipes which leads to needing a new engine installed due to a mid yoke by Volkswagen. This is a common problem amongst 2022 vw that I’ve researched and found

My 22 Volkswagen Tiguan could very well be apart of the class action lawsuit that is happening right now with oil consumption issues my vehicle only has 45,000 miles and is consuming 1 quart of oil every 1200 miles started noticing oil loss back in July

The car will randomly jump, buck, engine accelerate . Even if I brake or put in park when engine on, it still bucks and feels like it wants to accelerate. Also when I want to accelerate and push on gas(like when I stop at stop sign and it’s my turn to go) it will randomly just buck and feels like it wants to stall, in middle of me trying to go into traffic . I’m afraid that if a person walks in front of my car( for example at a light or when I am waiting to turn, breaking, for someone crossing the street in front of my car) the car could bounce jump and hit them even when I break as I said, it jumps even while I break. I also am afraid because when I accelerate into traffic it also sometimes doesn’t accelerate and will pause and bounce….car easily could hit me!! I brought it to vw and they tried to tell me the repair would cost over $3000 I then brought it to another reputable repair shop and they thought it wasn’t related to what vw claimed they would fix. The other repair shop stated it to be computer/electrical issues which causes everything else to malfunction down the line and that they see this in many vw because of the heat here where we live (because vw did not reset computer system before checking electrical code again reason/malfunction. Vw only just went with whatever the computer system said without resetting it. Any ways guess I should also tell you when this happens an exclamation point comes up on dash board with some other initials, which I will send photo of. Iam afraid to drive it is in safe. And sometimes if I turn the car off and back on it’s like nothing is wrong with it!!! And it may not happen again for days !! But always happens eventually. This has been going on for on for about 6 months to 1 yr. Vw always blew me off until my warranty was up and now suddenly it’s an over $3000 issue, suddenly know what the problem is now! My 2nd opinion disagrees with them and told me to bring it to him when it happens but is closed each time it happens