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Four codes come up at once PO133, PO135, PO153 and PO1133

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Old 09-17-2009, 06:39 PM
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Callys
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Default Four codes come up at once PO133, PO135, PO153 and PO1133

Any help?

I just put headers on the car...what does "insufficient switching" mean?
Old 09-17-2009, 06:44 PM
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lucky131969
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Originally Posted by Callys
Any help?

I just put headers on the car...what does "insufficient switching" mean?
How are the O2's hooked up?
Old 09-17-2009, 07:00 PM
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The old rear 02s, per LG's reccomendation, were moved to the front with their adapters.

In the back I have new bosch corvette 02s from the parts store
Old 09-17-2009, 08:01 PM
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Originally Posted by Callys
The old rear 02s, per LG's reccomendation, were moved to the front with their adapters.

In the back I have new bosch corvette 02s from the parts store
And they are hooked up left to left, right to right?
Old 09-18-2009, 06:08 PM
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Callys
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Yes they are...there was an exhaust leak on the left side where a bolt in the air tube flange had snapped off, which I helicoiled. I cleared the codes and they have not come back yet.

As I understand two of those codes are commong for slow 02 response time with headers...
Old 09-19-2009, 03:05 PM
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Callys
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Now I am getting just a 135 on cold starts?

Has anyone here tried the method of opening up the 02 tip with a screwdriver or drilling extra holes to allow more heat?

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