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Engine Code 1133

This is a discussion on Engine Code 1133 within the Computer & Tuning forums, part of the LSx Technical Help Section category; i am gettin and engine code 1133....i think it has to do with my o2 sensors...but if you could let ...

  1. #1
    FlewbyurGT
    Guest

    Engine Code 1133

    i am gettin and engine code 1133....i think it has to do with my o2 sensors...but if you could let me know any info thanks

  2. #2
    fguy1998
    Guest
    insufficient switching bank one sensor one heated o2 sensor. 02 is probably junk. it's not making enough cross counts.

  3. #3
    FlewbyurGT
    Guest
    is that the o2 before the cat?...and do you think it would cause it to misfire a slight bit like at like 2 percent throttle?...my MAF sensor is bad to...i jus ordered an SLP one...im goin to wait until i buy headers which is gonna be in the next month to fix the o2...thanks for the help

  4. #4
    Senior Member
    Join Date
    Jul 2005
    Location
    Jacksonville, FL
    Posts
    2,725
    Yes and yes, Bank 1 Sensor 1 is the driver's side precat 02.

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