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Runs great at sea level. Above 3000'alt. idles fine, in neutral revs fine, in drive under load cough's, chugs and pops through the air intake intermitantly. If I let it sit for an hour or two, runs good again until it wants to give me a headache again. 93' 460 in a 34' bounder with fuel injection. New air filter. I guess my question is, is there a computer or something that compensates the air/fuel mixture at altitude? I am almost positive this is a fuel/air problem and not ignition or heat related. Anyone with information, it would be greatly appreciated.
Greg |