Henry89Manche Posted July 9, 2017 Share Posted July 9, 2017 I recently installed new Bosch 4 hole injectors in my 89 jeep comanche and ever since then it is putting out black smoke and getting black stuff all over my paint! Is there any way to adjust the fuel air ratio so it quits doing this! The idle is kinda funky to since then! Any ideas would be greatly appreciated Link to comment Share on other sites More sharing options...
ftpiercecracker1 Posted July 9, 2017 Share Posted July 9, 2017 Did you buy the injectors new, rebuilt (ebay), or pull them from a junkyard? I am thinking that one of the injectors, possibly even two, are stuck open and dumping excess fuel. Link to comment Share on other sites More sharing options...
Strokermjcomanche Posted July 9, 2017 Share Posted July 9, 2017 Are you sure you didn't knock anything off ? Like the Map hose or any other vacuum lines ? Link to comment Share on other sites More sharing options...
cruiser54 Posted July 9, 2017 Share Posted July 9, 2017 Are you sure you didn't knock anything off ? Like the Map hose or any other vacuum lines ? Exactly^^^^!! Link to comment Share on other sites More sharing options...
HOrnbrod Posted July 9, 2017 Share Posted July 9, 2017 I recently installed new Bosch 4 hole injectors in my 89 jeep comanche and ever since then it is putting out black smoke and getting black stuff all over my paint! Is there any way to adjust the fuel air ratio so it quits doing this! The idle is kinda funky to since then! Any ideas would be greatly appreciated Which p/n Bosch injectors did you install? Link to comment Share on other sites More sharing options...
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