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2003 Ranger 3.0 wont pass smog check (170k).

elilangelilang Posts: 1
Hey ranger experts,
The only car I have ever owned just failed smog. she failed smog because of too much unburnt fuel in my exhaust. The aceptable amount is 200 and im at 370... Here is a short list of things I want to do this weekend.

Clean distributor cap
Replace air filter
Check and repare vacuum hoses. ( there was a vacuum leak a few years back)

Last year I changes the spark plugs.

Besides this, can anyone think of anything that i can do personally that will help? im not a mechanic but Im not afraid to get my hands dirty. Any information would be a great help.


  • bolivarbolivar Posts: 2,316
    Only thing I've heard about tests is to make sure your auto is fully warmed up. Drive it seveal miles at freeway speed, get it all nice and warm.
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