BRONCADONK
New member
my bronco failed today. passed the visual, and evap test. thank god! my test results were @15mph hc 94 max allowed was 181 (passed), co% was 6.06 max allowed was 1.26 (failed) , nox was 87 max allowed was 1427 (passed). @25 mph was hc 94 max 108 (passed), co% 6.09 max 1.06 (failed), nox 64 max 1287 (passed). so i guess it's running rich, even though they wont tell me that. i think it was my fault before i took it in i adjusted the mixture, when i smelled the exhaust it did smell rich. i was hoping they would adjust it for me to make it pass. now they are going to charge me a diagnostic fee to find out whats wrong. oh well hopefully they can fix it next week. i think it will be a carb adjustment. at least the hc, ad nox are good.