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Fault code 17549(p1141) fault code 16556(po172) bank system to rich can anyone help as i have not got a scooby.

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6ya6ya
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Posted on Jan 02, 2017

  • 14 Answers

SOURCE: Want to know what PO172 System too rich bank 1

it means your cars computer is pumping too muchgas into your motor because it thinks the engine is either running lean possibly due to faulty o2 sensors or that the coolant temp sensor is giving false readings and the ecm thinks the car is still too cold.

Posted on Mar 02, 2009

wracefans24
  • 1985 Answers

SOURCE: 98 buick park ave, hard to start, run's rough. po172 code

oxygen sensor in exhaust

Posted on Dec 09, 2009

  • 290 Answers

SOURCE: check engine light on

Had the same code with an Expedition. Try cleaning the MAF sensor with some carb cleaner. Here is more info on the code:
http://www.aa1car.com/library/ford_lean_codes.htm

Posted on Apr 13, 2009

Pops65Pony
  • 137 Answers

SOURCE: 2002 6 cylinder 3.o engine Ford Ranger. Cold start

Changed the air filter lately? Possibly defective O2 sensors, but I doubt it. If air filter and intake are clear, I'd check barometric pressure sensor and mass air flow sensors. Get a Haynes or Chilton's for $25 at Pep Boys for instructions on testing these componenets

Posted on Oct 14, 2009

  • 201 Answers

SOURCE: 2005 GMC Envoy XL 4x4 4.2l PO172 enigne too rich

Well the first mistake you did was not take it to your GMC car dealer and let them check it out. It could be a computer problem inside the dash somewhere. Hope this helps!?

Please rate solution - Thanks.

Posted on Apr 15, 2010

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1 Answer

Code PO172 show up on chey uplander


system to rich bank one probably have one injector or injectors delivering to much fuel would recommend fuel system cleaning and replace o2 sensor

Apr 19, 2015 | Chevrolet Chevy Cars & Trucks

1 Answer

Code po172


P0172: Bank 1 system too rich. Probable causes:
1. Fuel pressure. Pump, regulator, filter or lines
2. Vacuum leaks. Damaged hoses or improper routing
3. Restricted air filter or air intake
4. Faulty fuel injector

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1998 volvo s70 2.4 glt turbo


code p0102 refers to MAF/VAF sensor ---low input ===causes --wiring short to ground. MAF/VAF sensor
code po172 refers to system too rich --bank 1=== causes ---intake blocked --EVAP canister purge valve---fuel pressure ---HO2S sensor
code po random misfires ---plugs --wiring ---injectors--low compression
code po305 refers to cylinder 5 misfire detected ===causes --engine mechanical fault--ignition/ fuel system ---injector ---ECT/MAF

I would check that the air filter is not blocked first as it affects the MAF/VAF sensors . Have a fuel pressure system pressure test done

Feb 13, 2014 | Volvo S70 Cars & Trucks

1 Answer

Trouble code PO172


Code 172 means the fuel mix is too rich on bank one. If you have a 6 cyl engine there is only one bank of cylinders. The problem could be the O2 sensor or a leaking injector among other things.

Jan 21, 2014 | 1996 Jeep Cherokee

1 Answer

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

1 Answer

2005 GMC Envoy XL 4x4 4.2l PO172 enigne too rich


Well the first mistake you did was not take it to your GMC car dealer and let them check it out. It could be a computer problem inside the dash somewhere. Hope this helps!?

Please rate solution - Thanks.

Apr 15, 2010 | 2005 GMC Envoy Xl

2 Answers

Took the car in for the emissions test. FAILED with codes ''P0172 & P0420'' The codes are System to rich (bank1) and Catalyst Efficiency below threshold (bank1) What does all that mean, what would need o...


po-120 is--tps/pedal position sensor A curcuit malfunction. po172 is---system to rich (bank 1). po120 means that the tps is out of adjustment or it is bad. for po172 after you repair tps, it may be ok, if not change front oxygen sensor,

Apr 09, 2009 | 1998 Chevrolet Malibu

1 Answer

Car surges at 2700-2800 RPM Check engine light on Code po172


is the software reading the fault right ??

Mar 20, 2009 | 1998 Saturn SC

1 Answer

Want to know what PO172 System too rich bank 1 means and PO175 System too rich bank 2 means. These are fault codes from an emissions test I had done on my Dodge avenger and it failed


it means your cars computer is pumping too muchgas into your motor because it thinks the engine is either running lean possibly due to faulty o2 sensors or that the coolant temp sensor is giving false readings and the ecm thinks the car is still too cold.

Mar 02, 2009 | 1998 Dodge Avenger

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