DTC P0340

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Circuit Description

Schematic

The electronic ignition (EI) module supplies a signal to the PCM whenever it determines that the #4 cylinder fired on its compression stroke. Because of opposite coil tower polarity, the simultaneous fir of #1 and #4 cylinders are of opposite polarity as well. Under mos...

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Service Manual Table of Contents

Document Tags

Document Title: DTC P0340

module

signal

compression

polarity

sequence

pulse

wire

engine

plug