C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

What could be causing this error code???

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Old Dec 6, 2004 | 09:38 PM
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Default What could be causing this error code???

I have had DTC P0152, which is Circuit High Voltage, Bank 2, Sensor 1 come on 4-5 times now.

I have put in 4 new oxygen sensors & the code has set twice since then, so I doubt if it is a bad sensor....

Seems the code sets maybe about 2-3 miles down the road after a cold/cool engine start......could be related to going closed loop????
This has only happened few times, so it usually does NOT happen..

Could this be indicative of a bad injector or something else?????
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Old Dec 6, 2004 | 11:29 PM
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Originally Posted by LT4BUD
I have had DTC P0152, which is Circuit High Voltage, Bank 2, Sensor 1 come on 4-5 times now.

I have put in 4 new oxygen sensors & the code has set twice since then, so I doubt if it is a bad sensor....

Seems the code sets maybe about 2-3 miles down the road after a cold/cool engine start......could be related to going closed loop????
This has only happened few times, so it usually does NOT happen..

Could this be indicative of a bad injector or something else?????
Intermitent connection or shorted wiring. Time to start wiggling and checking all the wiring
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Old Dec 7, 2004 | 05:07 PM
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Originally Posted by 96GS#007
Intermitent connection or shorted wiring. Time to start wiggling and checking all the wiring
which would possibly kill the 02 sensor...
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Old Dec 7, 2004 | 07:17 PM
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Originally Posted by mikey whipreck
which would possibly kill the 02 sensor...
\

Autotap shows the O2 sensors to be pretty active........could be intermittent though.....
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