P0401 Check Engine Light

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Old 14 Oct 2005, 09:11 pm   #1 (permalink)
learnfpga@gmail.com
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Default P0401 Check Engine Light

Hello Everyone,

This is for all the people who might not be aware that Autozone will
read the engine scan and tell you the trouble for free of cost. This
way you can get a good idea whats wrong and then go to a dealer or a
mechanic. Otherwise an engine scan costs anywhere between $50 to $75.
Thanks to these forums I got it for free. I was getting check engine
light and I got P 0401 that EGR valve flow insufficient. Thanks a lot
Groups

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Old 15 Oct 2005, 12:22 am   #2 (permalink)
johngdole@hotmail.com
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Default Re: P0401 Check Engine Light

Do a search too on ways to diagnose the problem - vacuum hoses, dirty
throttle body, VSV, modulator or EGR valve if you intend to try it
yourself first assuming you're mechanically inclined.

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Old 15 Oct 2005, 06:39 pm   #3 (permalink)
Hachiroku
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Default Re: P0401 Check Engine Light

On Fri, 14 Oct 2005 22:22:12 -0700, johngdole wrote:

> Do a search too on ways to diagnose the problem - vacuum hoses, dirty
> throttle body, VSV, modulator or EGR valve if you intend to try it
> yourself first assuming you're mechanically inclined.


Yeah, a 401 code can be a MYRIAD of things. In my case, cleaning the
vaccuum hoses did the trick!

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