Repeating Codes with New Parts.
#1
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Repeating Codes with New Parts.
2003 Nissan 350z Base Model
167K miles. Daily Driven.
Codes: P0327, P0328, P0430.
327 is for Knock Sensor 1 Circuit Low Input (Bank 1).
328 is for Knock Sensor 1 Circuit High Input (Bank 1).
430 is Catalyst System Efficiency Below Threshold Bank 2.
I got these codes several months back (except 430) and replaced the Knock Sensor, both Cats, and both O2 sensors. The only mod I have is an after-market Cat-back exhaust. Basically, my after-market cats are not as good as the factory one (based on some Google research prior to this). I do not feel, hear or see any performance issues in regards of acceleration, MPG, etc.
Is there anything I need to worry about?
167K miles. Daily Driven.
Codes: P0327, P0328, P0430.
327 is for Knock Sensor 1 Circuit Low Input (Bank 1).
328 is for Knock Sensor 1 Circuit High Input (Bank 1).
430 is Catalyst System Efficiency Below Threshold Bank 2.
I got these codes several months back (except 430) and replaced the Knock Sensor, both Cats, and both O2 sensors. The only mod I have is an after-market Cat-back exhaust. Basically, my after-market cats are not as good as the factory one (based on some Google research prior to this). I do not feel, hear or see any performance issues in regards of acceleration, MPG, etc.
Is there anything I need to worry about?
Last edited by AlexCasillo; 12-14-2017 at 01:33 PM.
#2
Registered User
2003 Nissan 350z Base Model
167K miles. Daily Driven.
Codes: P0327, P0328, P0430.
327 is for Knock Sensor 1 Circuit Low Input (Bank 1).
328 is for Knock Sensor 1 Circuit High Input (Bank 1).
430 is Catalyst System Efficiency Below Threshold Bank 2.
I got these codes several months back (except 430) and replaced the Knock Sensor, both Cats, and both O2 sensors. The only mod I have is an after-market Cat-back exhaust. Basically, my after-market cats are not as good as the factory one (based on some Google research prior to this). I do not feel, hear or see any performance issues in regards of acceleration, MPG, etc.
Is there anything I need to worry about?
167K miles. Daily Driven.
Codes: P0327, P0328, P0430.
327 is for Knock Sensor 1 Circuit Low Input (Bank 1).
328 is for Knock Sensor 1 Circuit High Input (Bank 1).
430 is Catalyst System Efficiency Below Threshold Bank 2.
I got these codes several months back (except 430) and replaced the Knock Sensor, both Cats, and both O2 sensors. The only mod I have is an after-market Cat-back exhaust. Basically, my after-market cats are not as good as the factory one (based on some Google research prior to this). I do not feel, hear or see any performance issues in regards of acceleration, MPG, etc.
Is there anything I need to worry about?
As for the p0430 code, did you replace with a brand new cat? That code tells me your cat is possibly either clogged, worn out, or broken down inside, thus not reducing emissions as it should to a standard.
#3
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iTrader: (6)
Did you replace the knock sensor sub harness as well? Always replace the sub harness with the sensors. The 430 code is just the aftermarket cat. Nissans don't like non-OEM cats. Google "O2 sensor J-tubes" and get a set.
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