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Showing results for tags 'distributor'.
. I've been searching in the forum about rich cold start. I have a 1993 Cadillac deville 4.9 v8. I've done maintenance. full tune up. Plugs, wires, cap and rotor. New EGR, and new PCV valve. Throttle body cleaned and air intakes (those were bad) checked the timing yesterday (at 24 degrees) don't know why but I'll bring it down. Cold start rough... too much fuel. Runs perfect after warm. Any suggestions about the rich cold start? Any info it would be much appreciated. thank you.
Does anyone know anything about spark plug decoders? Or the ESM... little black box wired to the distributor? Apparently California manufactured caddy's were the only ones with this! My caddy won't start and when I unplug this box, the car will start but idles high and stays there! Is there a way to remove or bypass this ECM/ESM? Please help!