12d • Engine
AVCS issue or knock sensor problem?
Hello people :)
i have a 2006 SUBARU legacy, 2.0i gasoline and LPG, approx 260xxx km (167k miles), located in RO, Europe.
The engine started to lose torque before 2500 - 3500RPM, randomly. At higher RPM it seems to be working fine.
It's gotten so bad that i feel like begging the car to just go. :)
No error codes.
Here's the weird part. Using TORQUE app from android and a cheap OBD BT dongle, after i clear errors (even if there is none), the engine suddenly behaves as it should, until i go above 3000RPM. Then back to no low-end torque.
It happens regardless of the engine running on gasoline or LPG.
Also scanned using a VAG cable and FreeSSM. No errors.
What i did so far:
Using RomRiader and some AI magic, i was able to pull some data out. Please see pics.
Did the idle relearn procedure, multiple times, no change.
Replaced the PCV valve, no change.
Please help? :)
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AVCS issue or knock sensor problem?
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