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Re: '93 GMC Pick-Up Running Like bleep
Posted to Technical Discussion Forum on 3/7/2004 3 Replies

Hi Glen.

How far did you get? Did you check base timing? If you did, was it retarded some 20 to 25 degrees?

Have you used a spark checker (ST-125) to verify sufficient spark to all cylinders? An ST-125 looks like a spark plug with an alligator clip attache... Login to read more.

3 Replies Received (View Replies)