Subaru Enthusiasts Car Club of the Sierras - View Single Post

Kevin M · 2011-08-29, 09:49 PM

That knock code is a big deal. When the ECU think's there's knock (or something wrong with the sensor) it pulls lots of timing. That code costs you power. P0420 just makes it a pain to smog.

2011-08-29, 09:49 PM	#20
Kevin M EJ22T Join Date: Sep 2003 Location: Reno Posts: 9,445 Car: '93/'01 GF6, mostly red Class: 19 FP	That knock code is a big deal. When the ECU think's there's knock (or something wrong with the sensor) it pulls lots of timing. That code costs you power. P0420 just makes it a pain to smog. __________________ FWD is the new AWD