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Two codes are on need help please!

This is a discussion on Two codes are on need help please! within the General Help forums, part of the LSx Technical Help Section category; I've got code p1133 and p0507 showing up. The exhaust is leaking a little where the stock header and cat ...

  1. #1
    Member fast enough Z28's Avatar
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    silver
    98 camaro z28 m6

    Two codes are on need help please!

    I've got code p1133 and p0507 showing up. The exhaust is leaking a little where the stock header and cat bolt up. Is that the problem or is it the o2 sensor. Thanks for all the help!

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    Veteran 0rion's Avatar
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    06 duramax

    p0507 is Idle Control System RPM Higher Than Expected. Have you worked on the car recently or messed around with the throttle body at all? I would try cleaning the tb and checking for vacuum leaks.
    p1133 is an insufficient switching code. This is sorta common with longtube headers but your post makes me think you're still on stock manifolds. If on stock manifolds I would switch that sensor to the passenger side and see if the code follows it. It would throw p1153. If that code throws then I would replace the sensor.

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    Member fast enough Z28's Avatar
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    silver
    98 camaro z28 m6

    I still have the stock manifolds. A couple of days ago I took the cat and manifold off, I wanted to put a copper gasket between the manifold and cat but couldn't find one.

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    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    check the rubber hose that hooks to the intake and PCV valve. it has a habit of rotting on the bottom side of it. the hose is about 2" long.

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