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Chevy impala '04 - engine code po172 - 2004 Chevrolet Impala

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

SOURCE: Code PO171 and PO172

http://www.obd-codes.com/p0171

Check this website out. Hope it helps!

Posted on Jul 15, 2008

  • 1 Answer

SOURCE: Chevy impala diagnostic code PO742

i have the same problem, what can i do to fix it?

Posted on Jan 18, 2009

johnjohn2
  • 5763 Answers

SOURCE: Chevy Impala 2001 w/ 3.8L engine - EGR stuck open

there are a couple of things, first make sure there are not restriction in the exhaust, i know the dealer has had to replace converters under warranty because of this problem, then theres a reflesh program for the computer due to this problem, and lastly,run with egr off make sure it clean of carbon,carbon gets stuck in pintle sets check eng lightbut carbon then blows by so when you remove egr you see nothing, well start with these good luck.

Posted on Nov 28, 2009

  • 153 Answers

SOURCE: engine check light p0300

P0300 is a "random/ multiple cylinder misfire detected" and can happen if you change plug wires and cross two when re-installing them (which I did on my 99 Jimmy just 2 weeks ago), or it could mean one of the coilpack coils is failing, etc..

Posted on Dec 18, 2009

roniecon
  • 6826 Answers

SOURCE: I replaced the ignition in my 04 chevy Impala and

You have to have the key coded with the ignition switch at a lock smith,or the dealer.

Posted on Jan 24, 2010

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Everything you need is on the internet,
on hundreds of sites

Most likely you failed to change your O2
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Scan code p0172 cylinder too rich what is cause


please go to this site, it will explain the po172 in greater detail. www.obd-codes.com/po172 hope this helps. good-day !

Nov 09, 2011 | 2005 Chevrolet Impala

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04 chevy trailblazer code po172?


System running rich. Basically this means that an oxygen sensor in bank 1 detected a rich condition (too little oxygen in the exhaust). Bank 1 is the side of the engine that has cylinder #1.

Hope this helps

Mar 09, 2011 | 2004 Chevrolet TrailBlazer

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Chack engine light will not go out and keeps on throwing the codes po128 and po172


An excellent read on DTC P0128 can be found here:

http://www.hotrodlane.cc/New%20LS%20Links%20Page/LS%20trouble%20codes/DTC%20P0128.htm

P0172 is a rich fuel condition in bank 1. Have you had any work done lately? A lot of time a leaking fuel pressure regulator will trip this code.

Dec 11, 2009 | 2002 Chevrolet Impala

1 Answer

On a 2002 chevy impala with a 3.4 engine. iget code po303.


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