Guest zmettler Posted November 18, 2004 Share Posted November 18, 2004 ok so my 78 280 is running really rich. but it wasnt always like this. i went to work every thing was fine i come back 4 hours later and the darn thing ipuffin out black smoke and soundin like its running on 5 cylinders. so i pull the plugs and they are black and fuel soaked. make some minor adjustments and new plugs, and its ok again come back 4 hours later and the same thing. any ideas would be greatly apreciated as im a broke, married low ranked military man so i cant try a mess of things. Quote Link to comment Share on other sites More sharing options...
hanomon Posted November 18, 2004 Share Posted November 18, 2004 Could be in the inrichment circut. This dumps the fuel in untill desired coolant temp is satisfied, then it leans out. Quote Link to comment Share on other sites More sharing options...
Guest zmettler Posted November 18, 2004 Share Posted November 18, 2004 and where might that be located and how can i check it? Quote Link to comment Share on other sites More sharing options...
hanomon Posted November 18, 2004 Share Posted November 18, 2004 On the intake, the single fuel injector on top. This serves the same function as a choke. Try disconnecting/blocking the fuel supply to this. The ECM also has a procedure for trouble shooting the various components of your combustion controls. The service manuals should have these listed. If you have access to base resources they have good tools and reference materials for active duty personel. I did 5.5yrs as a Diver at Pearl on Oahu (mid 80's) so I know whats available. or at least it was back then. Thank you for your sacrifice and the service you provide to help preserve our freedom. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.