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P2197 What does this mean

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Here's a link to your P2197 code. http://www.obd-codes.com/p2197

Posted on Jun 17, 2015

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What does code P2197 On town car 2004 means?


P2197 - Lack of HO2S-21 Switch, Sensor Indicates Lean
A Heated Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time. See the possible causes for DTC P2195.

Dec 24, 2015 | 2004 Lincoln Town Car

1 Answer

Have service engine soon light


The four digit codes are brand specific, but in general, the three codes mean the fuel system is too lean.
The most common cause is low fuel pressure.

Mar 06, 2015 | Cars & Trucks

1 Answer

I have a 2003 honda with a vtec engine code that reads code P2197 P0113 P0118 P0443 what is this mean?


P0113 IAT sensor circuit high voltage
p0118 ECT (coolant sensor)
p2195 AF sensor signal stuck lean

Jul 18, 2014 | 2003 Honda Accord

1 Answer

04 sable trouble code p2197


P2197 is model specific and I don't have the info for your model.
For some Ford products it is for a lean O2 sensor.
If that injector is dead it could cause the code.
A lean O2 code does not always mean the sensor is bad, but that the reading the computer is getting is out of normal range.

Jun 26, 2012 | Mercury Sable Cars & Trucks

1 Answer

I have a code P2197


This code means that the O2 sensor is bad. It is the first O2 sensor on the second bank of the engine. It is stuck on a Lean setting and needs to be replaced.

Aug 16, 2011 | Ford Expedition Cars & Trucks

1 Answer

P2195 and p2197 are the 2 codes that pop up what are they and what do i need to change? mazdz mpv 2005 3.0 li


P2195 and P2197 means that the O2 sensors on each bank are seeing WAY too much oxygen in the exhaust gas. In normal operation the signal from the O2 sensors should swing back and forth between rich and lean... Your sensors are locked on lean. Replace both O2 sensor.

Hope helps (remember rated this).

Jul 22, 2010 | 2005 Mazda MPV

2 Answers

I have a 2003 3.0 engine Honda Accord that is giving me trouble codes P2197 P0154 P2254, what do these mean? Thank you.


Here it goes.
P2197 - Front Air Fuel Sensor (O2 sensor) Bank 2 - Sensor 1 Signal stuck lean.

P0154 - Front Air Fuel Sensor (O2 Sensor) Bank 2 - Sensor 1 Heater System Malfunction.

P2254 - Front AIr Fuel Sensor (O2 Sensor) VS Line high voltage.

IF Trouble codes P0134 or P0154 are present diagnose them before code P2254.

The first thing I would do would be check the heater circuit. You will have ground, and 12V+ to the 02 sensor heater line on a cold start. This heats up the oxygen quicker and allows it to operate in the correct amount of time. 9/10 times if there is a heater circuit code it is the oxygen sensor. But 1/10 times it is a blown fuse. So checking the voltage at the sensor is a quick test for P0154.

I would backprobe the signal line when the vehicle is at a full operating temp with a graphing meter (if avail) or use a DVOM. You should see it switch between .1 volts to 1V. It should not continuously move up and down. This indicates the computer is in good fuel control.

Diaginosis the heater circuit first is best because code P2197 can be set from anything that can cause that motor to run lean. (Plugged fuel filter, low fuel pressure/volume, vacume leak).

Hope this gives you a solid path to go on & good luck.

Nov 16, 2009 | 2003 Honda Accord

1 Answer

Can you tell me what code P2197 means?


The code reads to much air flow,pcv valve area,or internal engine leak.Replace the pcv valve,and make sure the hose going to it is in good shape.

Oct 12, 2009 | 2001 Ford Taurus

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