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My 4x4 is not working on my 2007 Yukon, I replaced actuator and the lights on the selective dial work but no dash warning light.


replaced what actuator ? The 4X4 switch on the instrument cluster ? Did you ever think of having it check for DTC'S - diagnostic trouble codes ? There are a number of them , they are there for shorting diagnostic time DTC B0770
DTC B0775
DTC B0780
DTC B0785
DTC B0790
DTC B2725
DTC C0300
DTC C0305
DTC C0306
DTC C0321
DTC C0326
DTC C0327
DTC C0359
DTC C0374
DTC C0378
DTC C0379
DTC C0550
DTC C0558

Feb 23, 2017 | Cars & Trucks

1 Answer

How to fix my volvo p2179 code


code p 2179 refers to system too lean off idle bank2===causes ---fuel pressure --injectors ---intake leak
also refers to adaptive heated oxygen sensor (HO2S) control--bank 2---signal high===causes ---wiring ---short to positive --HO2S --ECM
at this point I would be focusing the attention on the HO2S sensor and it's wiring
the HO2S reports on the exhaust gas composition to the ECM so that fuel /air settings can be adjusted to maintain the gas composition within set parameters
if those parameters cannot be maintained then the ECM goes a bit funny in trying to adjust injector fuel settings , fuel pressure regulator settings ( if electronic controlled ) and MAF settings

Oct 11, 2016 | 2005 Volvo S80

1 Answer

2001 Chevy S10 4x4 4L60E transmission works perfectly until 50MPH then I lose 3rd and 4th gear, 1st, 2nd and reverse are normal. Never happenend before, been parked since. Fluid is clean. Any ideas?


Are there any DTC's - diagnostic trouble codes ?in the PCM / BCM ? You have third an fourth below 50 mph but above 50 it down shifts to 2nd gear ,is this what your saying or you don't have 3rd or 4th gears at all ? Which engine did yours come with ? 2.2 L or 4.3 L You trans can set several DTC'S an not all will turn on the check engine light .
DTC B2722 (4.3 L) DTC P0218 (2.2 L) DTC P0218 (4.3 L) DTC P0502 (2.2 L) DTC P0502 (4.3 L) DTC P0503 (2.2 L) DTC P0503 (4.3 L) DTC P0705 (2.2 L) DTC P0706 (4.3 L) DTC P0711 (2.2 L) DTC P0711 (4.3 L) DTC P0712 (2.2 L) DTC P0712 (4.3 L) DTC P0713 (2.2 L) DTC P0713 (4.3 L) DTC P0719 (2.2 L) DTC P0719 (4.3 L) DTC P0724 (2.2 L) DTC P0724 (4.3 L) DTC P0740 (2.2 L) DTC P0740 (4.3 L) DTC P0741 (4.3 L) DTC P0742 (2.2 L) DTC P0742 (4.3 L) DTC P0748 (2.2 L) DTC P0748 (4.3 L) DTC P0751 (2.2 L) DTC P0751 (4.3 L) DTC P0752 (4.3 L) DTC P0753 (2.2 L) DTC P0753 (4.3 L) DTC P0756 (2.2 L) DTC P0756 (4.3 L) DTC P0757 (4.3 L) DTC P0758 (2.2 L) DTC P0758 (4.3 L) DTC P0785 (2.2 L) DTC P0785 (4.3 L) DTC P1810 (2.2 L) DTC P1810 (4.3 L) DTC P1860 (2.2 L) DTC P1860 (4.3 L) DTC P1870 (2.2 L) DTC P1870 (4.3 L) DTC P1875 (4.3 L) .
Shift Pattern This category contains the following topics:
?€¢
One forward gear only


?€¢
Two forward gears only


?€¢
Gear missing or slipping


?€¢
No upshift or slipping upshift


?€¢
No downshifts


?€¢
Non-First gear start


?€¢
Refer to First Gear Range Only - No Upshift .


?€¢
Refer to Third Gear Only .


?€¢
Refer to Second/Third Gear Only or First/Fourth Gears Only .


?€¢
Refer to Slips in First Gear .


?€¢
Refer to Slipping or Harsh 1-2 Shift .


?€¢
Refer to No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting .


?€¢
Refer to No 3-4 Shift, Slips or Rough 3-4 Shift .


?€¢
Refer to No Part Throttle or Delayed Downshifts .


?€¢
Refer to Second Gear Start .

Feb 18, 2016 | Cars & Trucks

1 Answer

P2179 is on in my 2008 Buick enclave and 3.6 and stabilitrack light is on also.


This code refers to a lean condition on cylinder bank 2. The stabilitrac will disable on most vehicles if the check engine light comes on. You may have a vacuum leak from one of the hoses causing this code. Clearing the codes should put stabilitrac back in service.

Jan 05, 2016 | 2008 Buick Enclave

1 Answer

What does code p2179 mean on a 2006 Cadillac cts


I believe that is the Fuel Pressure Regulator ?
Hope this helps, please let Me know ?

Feb 21, 2015 | 2006 Cadillac CTS

1 Answer

P2179 code pops up on a2006 cadillac cts


Check and replace fuel filter if not done in last 50k, clear codes and recheck.

Dec 24, 2013 | 2006 Cadillac CTS

1 Answer

CHECK ENGINE CODES P0303, P2179


CODE P2179 ON A CADILLAC CTS 2006

Jan 07, 2012 | 2006 Cadillac CTS

2 Answers

P2197 p2187 p2177 p2195 p2179 p2189


P2197 - Oxygen Sensor Signal Biased/Stuck Lean Bank 2 Sensor 1
P2187 - System Too Lean At Idle Bank 1
P2177 - System Too Lean Off Idle Bank 1
P2195 - Oxygen Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1
P2179 - System Too Lean Off Idle Bank 2

I am not sure what your Mazda is, but from the sounds of it, both of your Oxygen Sensors are shot. Replace them both, or check for vacuum leaks. It may be a good time to inspect and replace the PCV Valve and PCV Valve hose, too.

Mar 12, 2011 | Mazda MAZDA6 Cars & Trucks

1 Answer

2003 Volvo S80 P2179 after timing belt change


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May 19, 2010 | 2003 Volvo S80

2 Answers

P2179 code from


P2179 System Too Lean Off Idle .Have read post where people have been getting this code after installing a aftermarket intake.

Jan 29, 2010 | 2005 Mazda MPV

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