2000 Jeep Wrangler "smog" Questions

...sides of motor and attached at the air cleaner abouts I hope the last owner did not take out the smog pump. Check under the hood,look for a smog pump. The smog pump provide more "fresh air" into ...

no smog I have a 89 jeep wrangler yj 4.2 liter. The smog guys say it is running too rich. What could possible be wrong? a bad sensior on the thottle body

...check engine light or service engine soon light prior to the emissions test in order to evade the smog inspection. By turning off the check engine or service engine soon light, in actuality

jeep won't pass smog test 1991 wrangler sounds loud possible exhaust leak? Will it pass smog test like this? its taking a chance if u dont want to spend the money u may be able to patch with kit or ...

1992 yj 2.5l not passing smog what should i change out When was the last time you changed the spark plugs and wires ?

...key on to start the Jeep the RPMs shoot well over what they are suppose to be. Also will not pass smog due to the problem. What could be the problem? bad/wrong ignition parts (good) can cause this, ...

this motor go in my jeep Yes it will fit, just make sure you don't get in trouble with the issue of smog certifcation

My 95 Jeep Wrangler failed smog because the check engine light would not come on when the vehicle was started. What do I look for and how do I fix it? No doubt someone has taken the bulb out so take ...

...by the day. Cannot see where it is coming from.The Jeep is not burning any oil and it has passed smog check recently. Thanks. is it engine oil or transmission fluid. Might want to check, ...

car code p0404 404, its under warantty the 8 year smog. this is EGR failure. and is NOX smog rules. and is in warranty. all cars . for 8 years.80k or 15/150k, depend on car. but whichever first occurs