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Old 03-08-2011, 06:25 PM
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Emission Test

2005 Grand Cherokee Laredo did not pass Illinois Air Test after Battery was disconnected. Need Help.
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Old 03-08-2011, 07:35 PM
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Re: Emission Test

it takes about 100 miles for it to be in a ready state.

start driving.....
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Old 03-09-2011, 02:23 AM
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Re: Emission Test

Eh do 10 miles down the freeway, do some gentle city driving for 5 miles and give it a couple nights... realistically the monitors are pretty good about running. Also if you take it to a dealer they could run them all for you. Not magically with a scantool, but they can see the enabling conditions and drive in a fashion that will quickly pass most monitors.

now the question, why was the battery disconnected? to clear the check engine lamp that was on? because unless your lucky and the monitor for the system that is failing is the ONE that doesnt run before you go in (at least in oregon they will pass you with one or 2 monitors that have not run) then your code will likely come back before your able to get through... why they made the system the way they did.
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