Driftingrz
NAXJA Forum User
- Location
- Georgia
alright guys im new here was referred by robz95xj. im assuming thats his name here to. but i just bought an 89 Jeep Comanche with the 4.0. only paid 1500 and its got a perfect body and interior. no rust since its down here in the south
went and got emissions done yesterday expecting it to fail and it did horribly.im moving this week so emissions wont be a problem as i wont need them but i still need to get these issues worked out. its getting less than 10mpg. truck runs awesome and smooth as a cadillac but its putting out alot of carbon and soot. i put new plugs in this past weekend and theyre already covered. and when i stomp on the gas i get so much out of the exhaust it looks like a freight train going down the road
i though it maybe oil at first but im pretty sure it isnt. also did a compression test on it a few minutes ago and it averaged between 145-150 on all 6 cylinders
so before i start messing with anything else what sensors should i look into replacing or cleaning on this thing? and how to clean correctly ive always been a ford guy so im new to these.
and to anybody who specializes in emissions heres some of the numbers it put out if this'll help with a diagnoses
HC ppm 479 out of 189 allowed
CO% 11.73 out of 2.36 allowed
NOx ppm 108 out of 1233 allowed
RPM 1590 / 2500
CO+C02 % 17.6 out of 6 allowed
so as the emissions guy said.... "your vehicle has... severe issues" :dunno: anyways this is my first post since i didnt see an introduction section when i joined
went and got emissions done yesterday expecting it to fail and it did horribly.im moving this week so emissions wont be a problem as i wont need them but i still need to get these issues worked out. its getting less than 10mpg. truck runs awesome and smooth as a cadillac but its putting out alot of carbon and soot. i put new plugs in this past weekend and theyre already covered. and when i stomp on the gas i get so much out of the exhaust it looks like a freight train going down the road
i though it maybe oil at first but im pretty sure it isnt. also did a compression test on it a few minutes ago and it averaged between 145-150 on all 6 cylinders
so before i start messing with anything else what sensors should i look into replacing or cleaning on this thing? and how to clean correctly ive always been a ford guy so im new to these.
and to anybody who specializes in emissions heres some of the numbers it put out if this'll help with a diagnoses
HC ppm 479 out of 189 allowed
CO% 11.73 out of 2.36 allowed
NOx ppm 108 out of 1233 allowed
RPM 1590 / 2500
CO+C02 % 17.6 out of 6 allowed
so as the emissions guy said.... "your vehicle has... severe issues" :dunno: anyways this is my first post since i didnt see an introduction section when i joined