Check engine light

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drtj

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It came on the other day. So i took it to the parts store & put it on the diagnostic machine. It came back as a lean condition. The guy said thats all it shows up as. I'm thinking possibly the ethanol gas 10% mixture is causing it. Any other ideas?
 
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drtj

Active Member
Joined
Jul 18, 2010
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Ga
It came on the other day. So i took it to the parts store & put it on the diagnostic machine. It came back as a lean condition. The guy said thats all it shows up as. I'm thinking possibly the ethanol gas 10% mixture is causing it. Any other ideas?

Took it to Auto Zone & put it on their computer. It came back as lean 1&2 bank. He found my PCV hose had a big hole in it causing it to run lean. $18 later fixed & ready to roll. Not to mention the guy who works there found the leak took it off & put the new one on for me!!:D
 

mrexpo420

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more lean codes

got lean codes on bank 1 and 2 but my 2002 expo doesnt run rough at all the only thing that i can notice is when i crank it it will idle a lil bit higher than normal but will drop to normal in 2 to 3 seconds does any one got a clue what might be keeping these lean codes on
 
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