F250 5.8L engine want idle and smokes sometimes, HELP !!
Hello all , I hope someone can help me, I have been trying to get my work truck working for 2 weeks now. It runs great sometimes and doesn't smoke, but then it will start smoking and the check engine light comes on, when I stop and put it in park it will die. It will crank right back up but wont idle unless I put it in gear(automatic trans). I have changed the oxygen sensor, didn't help then did a complete tuneup, wires,caps,rotor,plugs, fuel filter, air filter,ran for a couple of days and started again, then changed the MAP sensor, didn't help. Then took it to the Ford dealership here in McComb, Ms and they put it on the computer (light was on) they said they couldn't tell me anything but they thought it was electrical, ha. And charged me $30 to tell me nothing. I changed the fuel pressure regulator this morning now it seems to run bad all the time..... it idles rough and still smokes, the smoke is raw fuel, the truck doesn't burn oil. I don't know what else to do, does anyone have a picture of the vacuum system for this engine? It runs better if I open up a larger vacuum line(unplug it). But it still smokes........ Oh yea its a 1993 model great worker when it running!
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F250 5.8L engine want idle and smokes sometimes, HELP !!
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