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P1133,P1153:Insuficent Switching
Posted to Technical Discussion Forum on 8/15/2013 11 Replies

I have this truck with P1133 and P1153, I've already replaced both O2 sensors but DTC comes back again, already check for exhaust leaks, masure pressure on exhaust (resticted exhaust) its no more tan 3psi. Already checked Purge Valve. Im suspecting some type o... Login to read more.

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car Vehicle Data

2007 Chevrolet Suburban 1500 LTZ 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2007 Chevrolet Suburban 1500 LTZ 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)