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International Automotive Technicians Network
Re: 1987 buick Lesabre
Posted to Technical Discussion Forum on 4/3/2007 3 Replies

Hi John,

Before you get too far along, remove the cam sensor signal wire from the connector at the ignition module, then crank the car and check for signal.

It's possible that your aftermarket module is pulling the CMP to ground. Login to read more.

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