Subject	I've seen this happen with a intermittent knock sensor
Posted by	Ghoztt (MD) on August 06, 2020 at 7:24 AM
	This message has been viewed 181 times.
In Reply To	Code 55 / stuck in safety boost posted by Drk93TT on August 06, 2020 at 06:30 AM
Message	failure, aka code 34. ECU would read 55, drive around a bit, normal stock boost, then safety boost. Park and read codes, 55, check code history code 34. I'd recommend pulling codes multiple times during a drive (or actively watching) to see if it pops up. If it does pop, you can run the knock sensor relocation kit until you can find the time/opportunity to swap out at the factory location. 1993 Nissan 300ZX Slicktop (Oxford Gray Metallic) 1992 Nissan Skyline GT-R (Gunmetal Gray) - Long Live the Z and Godzirra! - "Love cars. Love people. Love life." - Mr. K.
Follow Ups	Code 55 / stuck in safety boost - Drk93TT 06:30:17 08/06/20 I've seen this happen with a intermittent knock sensor - Ghoztt (MD) 07:24:18 08/06/20 Good to know. - Drk93TT 10:47:59 08/06/20 Also.. - Drk93TT 10:51:23 08/06/20 You could unplug the knock sensor harness and - not4resaleZ 06:51:20 08/07/20 That might be next step - Drk93TT 10:03:31 08/07/20 Update —> - Drk93TT 15:37:44 08/07/20 Vacuum diagnostics to review for your gage test readings>>>> - ZUL8TR 05:27:12 08/09/20 Used a different vacuum gauge and im at a steady - Drk93TT 15:55:21 08/09/20
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