Diagnostic codes P1086 and P 1092 keep coming up on my Subaru. I dnt know if the TGV has been modified or not, but how can I stop the codes from repeating?
Both codes refer to the LH driver side tgv.
To repair the tgv faults mentioned above requires removal of the intake system, intercooler, fuel lines and the tgv units.
I would highly recommend a professional fot this repair.
Used parts can be located at the link below.
The sensor is actually a throttle position sensor.
They are not cheap and can run $200+new.
The tgv units are an emission control device and need to be working to pass an emissions test.
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