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Car Forum / Isuzu Cars / July 2007

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Installing an egr valve....

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Gemini Jackson - 25 Apr 2007 22:31 GMT
...on my 2001 Trooper looks easy enough.  I see it on the rear of the
block right there on top.  I received the replacement today but no
gasket was included.  Is one required?  And is it really as simple as
unbolting the old one and popping the new one on and plugging it back
up?
~GJ~
Gemini Jackson - 26 Apr 2007 00:48 GMT
>...on my 2001 Trooper looks easy enough.  I see it on the rear of the
>block right there on top.  I received the replacement today but no
>gasket was included.  Is one required?  And is it really as simple as
>unbolting the old one and popping the new one on and plugging it back
>up?
>~GJ~

Well.  Swapped it out.  It does run better too!  Cleaned out a bunch
of that, what is it, Carbon?  
~GJ~
Ed H. - 26 Apr 2007 04:51 GMT
Glad to hear it!  You're fortunate that is was a simple job.  I had to soak
mine with lots of penetrating oil to break it loose after nearly being
welded to the exhaust pipe.  Note, however, that there may be up to 4 O2
sensors, one on each exhaust manifold (if it's a V6), one before the
catalytic converter and another after the catalytic converter.

>>...on my 2001 Trooper looks easy enough.  I see it on the rear of the
>>block right there on top.  I received the replacement today but no
[quoted text clipped - 6 lines]
> of that, what is it, Carbon?
> ~GJ~
Gemini Jackson - 26 Apr 2007 14:56 GMT
>>>...on my 2001 Trooper looks easy enough.  I see it on the rear of the
>>>block right there on top.  I received the replacement today but no
[quoted text clipped - 6 lines]
>> of that, what is it, Carbon?
>> ~GJ~

>Glad to hear it!  You're fortunate that is was a simple job.  I had to soak
>mine with lots of penetrating oil to break it loose after nearly being
>welded to the exhaust pipe.  Note, however, that there may be up to 4 O2
>sensors, one on each exhaust manifold (if it's a V6), one before the
>catalytic converter and another after the catalytic converter.

That would explain why my 'check engine' light is still on.
~GJ~
Ed H. - 27 Apr 2007 00:16 GMT
For some reason I replace egr valve with O2 sensor.  They are entirely
different, so please disregard my statement.  As far as the check engine
light, different sensors have different numbers of trips they must make
without the error being present before it will turn the check engine light
off.  A decent code scanner- around $50-60 can read and clear the codes.

>>>>...on my 2001 Trooper looks easy enough.  I see it on the rear of the
>>>>block right there on top.  I received the replacement today but no
[quoted text clipped - 16 lines]
> That would explain why my 'check engine' light is still on.
> ~GJ~
GreenGas - 14 May 2007 05:17 GMT
If you have an Autozone nearby, they'll check the codes remaining for free.
If you ask the guy real nicely, perhaps he'll also clear them for you. Then
you can find out if you have any more issues by driving the truck a ways and
see what occurs.

> For some reason I replace egr valve with O2 sensor.  They are entirely
> different, so please disregard my statement.  As far as the check engine
[quoted text clipped - 22 lines]
>> That would explain why my 'check engine' light is still on.
>> ~GJ~
jeff - 25 Jul 2007 01:05 GMT
Why did you have to replace the EGR? CEL?
Here is a link for your P0405 or similar code.  If it was the code, a $3
cure would had fix it.
http://www.isuzufaq.com/

>>>>...on my 2001 Trooper looks easy enough.  I see it on the rear of the
>>>>block right there on top.  I received the replacement today but no
[quoted text clipped - 16 lines]
> That would explain why my 'check engine' light is still on.
> ~GJ~
 
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