Warming up certainly DOES make a difference.  A huge difference.

Mike

On 8/16/03 4:38 PM, "karen davis" <yosemite333@HOTMAIL.COM> wrote:

> Anyone in CA (Bay Area)  can help me pass smog?  I've always past with
> flying colors but today I failed.  I don't understand why?
>
> Here's what I got for 84 Vanagon that is in great shape:
>
> 901 RPM HC max is 150, I got 61; co max is 1.20, I got .13              PASS
> 2554 RPM HC max is 180, i got 344; co max is 1.20, I got .36            FAIL
> on HC
>
> Why did I fail on just HC?  In the past I drove van on freeway to warm up
> before taking test.  This time van sat for about week before I took for
> test.  Could this have caused me to failed because I needed to warm up
> cataylic converter.  Smog mechanic said warming up makes no difference.
>
> Is there anyone local that can help me pass?
>
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