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missfire & 02 questions, 96 Hyundai accent
Posted to Technical Discussion Forum on 10/24/2001 5 Replies

hi guys; 96 Hyundai Accent, 1.5L, pre cat 02 code P0133 & post cat 02 code P0136. Pre cat 02 switches from .2 to .8v on snappy scanner, 0 ST fuel trim and 5%LT fuel trim.

Both 02 sensors go to .9v, when propane is introduced, fuel trim goes to -18%.

When a... Login to read more.

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