BroncoII4x4.com

ok disconnected o2 sensor....runs smooth as ever. so how long can you run without o2 sensor plugged in

thanks guys,

i'll be off work for the next couple of days, so i should have time to check and or replace the above mentioned items

87 BII 2.9 auto 75000 miles runs like crap. starts fine idles great. Symptoms include bogging down under varying loads, sputters a bit, puff of black smoke, then takes off like a bat out of hell... New IAC, no codes, both pumps working, new plug wires,plugs good, new cap and rotor, injectors cleaned ...