Question about 2007 Dodge Caliber 2.0

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Were can I find the (system too rich bank 1) on my 07 dodge caliber 2.0

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Posted on Jan 02, 2017

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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

  • 124 Answers

SOURCE: 2000 ford taurus bank 1 and bank 2 running rich

it sounds like the O2 sensors need replaced. bank 1 is the left side and bank 2 the right

Posted on Mar 23, 2009

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SOURCE: Diagnostic failed code reads PO172B Fuel Trim

Basically this means that an oxygen sensor in banks 1 and 2 detected a rich condition (too little oxygen in the exhaust).

A code P0172 may mean that one or more of the following has happened:
· The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters can cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.
· There could be a vacuum leak
· There could be a fuel pressure or delivery problem
Possible solutions include:

  • Inspect all vacuum and PCV hoses, replace if necessary
  • Clean the MAF sensor. Consult your service manual for its location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner
    Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstalling
  • Inspect fuel lines for cracks, leaks, or pinches
  • Check the fuel pressure at the fuel rail
  • Check the fuel injectors, they may be dirty. Use fuel injector cleaner or get them professionally cleaned/replaced.
  • Check for an exhaust leak before the first oxygen sensor (this is unlikely to cause the problem, but it is possible)

Posted on Oct 07, 2009

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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

  • 23 Answers

SOURCE: I have a 97 Chevy Tahoe 4x4 with a 5.7 engine the

Hey. How many miles on it. If over 100,000, it may need new O2 sensors but unlikely both would go out of spec at the same time. You will need to install a scan tool with data stream abilitys. The pressure regulator could be ruptured which will drastically richen up both banks. If no tool, locate the pressure regulator, usually on the right side at the end of fuel rail. Make sure the vacuum line is attached and pulls vacuum. Unhook the line. The motor should sound very different and then correct itself when hooking the line back up. If there is no vacuum at the line, check for a broken or cracked area. Never overlook the simple stuff. Also need to check coolant temp sensor accuracy. It can be in tolerance but still read incorrect coolant temp. There are numerous other items that will cause a rich condition but check these first. TJ.

Posted on Nov 12, 2009

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Hi Rich, hope you well today here's is the fix you need.

23 - Body/Interior/CONSOLE, Center/Removal REMOVAL [img id=LOPTableImg src=""> Click to display a list of Labor Operations associated with this procedure
248438.jpg 1. Pull back on parking brake (5) to the upright position. 2. Open console door and remove two screws (1) fastening console to rear floor bracket (3). 3. Carefully pry up until the retainers (1) disengage from the center console to front floor bracket (6). 4. Disconnect center console wire connector (2) to instrument panel connector. 5. Remove from vehicle.

Hope this help and have an awesome day Rich.

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System to rich bank 2

check your spark plugs on bank 2 you most likely have a bad plug. if the gap is two wide it would cause this problem.

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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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