PO332 and PO153. Coincidence?
#1
PO332 and PO153. Coincidence?
Hi All,
SES light came on yesterday; constant not flashing. Codes read as PO332 (Knock Sensor Circuit Malfunction- Bank 2) and PO153 (HO2S-21 Bank 2 Sensor 1 Slow Response)
-No discernible drivability problems
-o2 Sensors are ~1 year old (NTK Brand)
-Knock Sensors are ~2 years old (AC Delco Brand)
Could just be a coincidence but I would appreciate any insight into problems that could throw both these codes together before I jump in. (Do they share common wiring?)
Not sure if it's relevant, but things I've done in the past day/weeks:
1) Replaced PCV valve with a fixed-orifice style (3 weeks ago)
2) Installed homemade SUX2BU cold air kit (2 weeks ago)
3) Fixed over axle piece on SLP Loudmouth that came lose and caused y-pipe/mid-pipe to sag for several days (day before yesterday)
Any help is appreciated!
SES light came on yesterday; constant not flashing. Codes read as PO332 (Knock Sensor Circuit Malfunction- Bank 2) and PO153 (HO2S-21 Bank 2 Sensor 1 Slow Response)
-No discernible drivability problems
-o2 Sensors are ~1 year old (NTK Brand)
-Knock Sensors are ~2 years old (AC Delco Brand)
Could just be a coincidence but I would appreciate any insight into problems that could throw both these codes together before I jump in. (Do they share common wiring?)
Not sure if it's relevant, but things I've done in the past day/weeks:
1) Replaced PCV valve with a fixed-orifice style (3 weeks ago)
2) Installed homemade SUX2BU cold air kit (2 weeks ago)
3) Fixed over axle piece on SLP Loudmouth that came lose and caused y-pipe/mid-pipe to sag for several days (day before yesterday)
Any help is appreciated!
#3
I'll take a stab at it even thought I could be wrong...
One code may have been "hidden" for a while and you didn't know about it until the more serious code occurred.
"Knock Sensor Circuit Malfunction" could be a broken wire; I have read of various people cracking the wires and not realizing it.
Hopefully others will have more precise suggestions.
In any case keep us posted.
One code may have been "hidden" for a while and you didn't know about it until the more serious code occurred.
"Knock Sensor Circuit Malfunction" could be a broken wire; I have read of various people cracking the wires and not realizing it.
Hopefully others will have more precise suggestions.
In any case keep us posted.