[s-cars] Knock Sensor

[Walsh, Edward]

Still having the same high boost problems with my MTM 1+ eq. Avant.
(erratic WOT boost that fluctuates between 18-21 PSI in top gears, definite
lack of punch, surging)

Everything has tested OK so far (Coils, plugs, connectors, POS, MAF, New O2,
New Fuel Filter, No hose leaks, BPV OK, Turbo good, etc.).  Then it dawned
on me that I haven't considered the knock sensor(s?).  Could a failed KS
cause the wacky boost issues?  Can a KS be tested, or is it just replaced?
Engine throws no codes...

Thank you loyal listeners - Ed


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