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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Shop\-talk\]\s+PO174\s+\-\s+PO176\s+OBD\s+CODES\s*$/: 9 ]

Total 9 documents matching your query.

1. [Shop-talk] PO174 - PO176 OBD CODES (score: 1)
Author: "john niolon" <jniolon@bham.rr.com>
Date: Fri, 7 Dec 2007 09:07:30 -0600
MY '03 Tahoe through a check engine light at me yesterday... reader shows po174 and po176 codes which are engine lean...both banks from my googling it seems that it 'might' be a dirty MAF sensor or v
/html/shop-talk/2007-12/msg00031.html (7,777 bytes)

2. Re: [Shop-talk] PO174 - PO176 OBD CODES (score: 1)
Author: "Paul Parkanzky" <parkanzky@gmail.com>
Date: Fri, 7 Dec 2007 10:09:42 -0500
My experience (with TDI VWs) is that the MAF sensor cannot be brought back from the dead. That said, I would look at vacuum leaks first. A quick jiggle/tightening of all the fittings and clearing the
/html/shop-talk/2007-12/msg00032.html (8,765 bytes)

3. Re: [Shop-talk] PO174 - PO176 OBD CODES (score: 1)
Author: Mark Andy <mark@sccaprepared.com>
Date: Fri, 7 Dec 2007 10:19:51 -0500 (EST)
There's a MAF cleaner spray, or lots of folks use brake clean. If its really dirty though, this won't work. What you want to do then is take the sensor assembly apart enough that you can get to the
/html/shop-talk/2007-12/msg00033.html (8,301 bytes)

4. Re: [Shop-talk] PO174 - PO176 OBD CODES (score: 1)
Author: "David Scheidt" <dmscheidt@gmail.com>
Date: Fri, 7 Dec 2007 10:20:02 -0500
PO176 is a fuel composition sensor fault. Do you have a typo, or a flex fuel truck? PO171 is bank 1 lean. Check for vacuum leaks first. That's cheap and easy. Then pull the MAF and clean it. You do t
/html/shop-talk/2007-12/msg00034.html (7,283 bytes)

5. Re: [Shop-talk] PO174 - PO176 OBD CODES (score: 1)
Author: "Nolan" <foxtrapper@aceweb.com>
Date: Fri, 7 Dec 2007 10:36:46 -0500
Far more likely you've got a gasket leak on the intake. I remember cleaning and setting my points that way to get back on the road as well. Don't miss all the time I spent broken down on the side of
/html/shop-talk/2007-12/msg00035.html (8,503 bytes)

6. Re: [Shop-talk] PO174 - PO176 OBD CODES (score: 1)
Author: "Mullen, Tim" <Tim.Mullen@ngc.com>
Date: Fri, 7 Dec 2007 10:20:37 -0600
Do you have a K&N type of air filter on the truck? If so, over oiling (or even not over oiling) the filter often messes up the MAF. If you have an oiled filter, I'd start with changing that out for a
/html/shop-talk/2007-12/msg00037.html (8,280 bytes)

7. Re: [Shop-talk] PO174 - PO176 OBD CODES (score: 1)
Author: "John T. Blair" <jblair1948@cox.net>
Date: Fri, 07 Dec 2007 14:50:39 -0500
As a matter of fact, I just had that probem in my Morgan about 3 wks ago. When I got it home, I replaced the points with a pretronix solid state ignition module. John John T. Blair WA4OHZ email: jbla
/html/shop-talk/2007-12/msg00039.html (8,120 bytes)

8. Re: [Shop-talk] PO174 - PO176 OBD CODES (score: 1)
Author: "scottmryan" <scottmryan@netzero.net>
Date: Thu, 13 Dec 2007 04:56:30 -0600
Is a tahoe a chevy? Doesn't GM use a MAP (manifold absolute pressure) sensor? This is a totally different setup than the VW and Ford MAF which is measuring cooling of airflow past a heated resistor
/html/shop-talk/2007-12/msg00208.html (8,593 bytes)

9. Re: [Shop-talk] PO174 - PO176 OBD CODES (score: 1)
Author: "David Scheidt" <dmscheidt@gmail.com>
Date: Sat, 15 Dec 2007 09:26:39 -0500
Is the Audi supposed to be able to run E85? Flex fuel vehicles have a sensor that tells the computer what the fuel mix is. Ethanol requires a different air-fuel ratio. -- David Scheidt dmscheidt@gmai
/html/shop-talk/2007-12/msg00210.html (8,357 bytes)

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