no gases for smog

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Apr 2, 2008 | 01:41 PM

b8teen

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Joined: Mar 2006

Posts: 407

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no gases for smog

How would I lower the nO gases in order to pass smog?....I passed everything else but nO. any help would be appreciated..

Apr 2, 2008 | 02:52 PM

RonJ

Recognized HCF Member

Joined: Sep 2007

Posts: 9,453

From: Houston, Texas

RE: no gases for smog

Some possibilities would include a bad catalytic converter, a fault in the EGR system (if your model has one), a bad coolant temperature sensor, or the ignition timing out of spec.

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