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Re: Chugging and missing 91 Astro Van, need help.
Posted to Technical Discussion Forum on 6/14/2002 22 Replies

Here's what I did today. I installed a new set of plug wires, no luck. I blocked off the PCV valve, no luck. I scoped primary current [1991 Chevrolet Astro, Ignition - Primary Waveform], primary voltage [1991 Chevrolet Astro, Ignition - Primary Waveform], and ... Login to read more.

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22 Replies Received (View Replies)