Let's play 'Read the ignition pattern'

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Posted to Technical Discussion Forum on 2/1/2006 21 Replies

Hello all,

[1996 Chevrolet Pickup C1500, Ignition - Secondary Waveform]

Customer complaint is "vibrates at idle". MIL is on and flashing.

Left image is the Bank 1 ignition pattern at idle. Right image is the Bank 1 ignition pattern at idle with #5 discon... Login to read more.

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