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Re: 87 still idling high
Back in the 80's a clogged catalytic would give you EGR codes. As for the high idle, there is usually a detailed calibration of the idle control valve and tps in the service manual. Maybe someone will post it. It may be all in the tps but Cadillacs can calibrate the idle air control.
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76 Chevy K20
76 GMC K15
77 Chevy C10
77 Chevy K10
Last edited by cadillac_al; 08-03-2016 at 06:12 AM.
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