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2004 FORD TAURUS SES I CHANGED THE OXYGEN SENSORS WELL ONLY 2. ARE THERE 3 OR 4 SENSORS? ALSO MY CAR ENGINE LIGHT IS ALSO ON P2195 AND P2197. SAYS ITS STUCK LEAN AND MY CAR STILL HAS A ROUGH IDLE AND SOMETIMES CUTS OFF BUT WILL START RIGHT BACK UP. IS THIS A SERIOUS PROBLEM AND WHAT SHOULD I DO CAUSE I WAS TOLD THAT THERE WAS ALSO AIR LEAKING FROM MY ENGINE BUT I DONT UNDERSTAND ATALL!!!!! HEEEEEEEELLLLLLLPPPPPPP!!!!!

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A lean condition can be from intake leaks or fuel injector issues, or EGR, or tons of other components. It appears in your case, that the sensors are the victum and not the cause, which happens lots....

Take some brake cleaner, idle the engine and spray sparingly around and see if you get an engine reaction. Look for cracked or dislodged vacuum hoses.

Posted on Mar 24, 2011

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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

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Check engine light code p2196,p2197, po300 ,304,305,306,p2 ,Im freeking out.


P0300 Random/Multiple Cylinder Misfire Detected P0301 Cylinder 1 Misfire Detected P0302 Cylinder 2 Misfire Detected P0303 Cylinder 3 Misfire Detected P0304 Cylinder 4 Misfire Detected P0305 Cylinder 5 Misfire Detected P0306 Cylinder 6 Misfire Detected P0307 Cylinder 7 Misfire Detected P0308 Cylinder 8 Misfire Detected P0309 Cylinder 9 Misfire Detected P0310 Cylinder 10 Misfire Detected P0311 Cylinder 11 Misfire Detected P0312 Cylinder 12 Misfire Detected P0313 Misfire Detected with Low Fuel P0314 Single Cylinder Misfire (Cylinder not Specified) P0315 Crankshaft Position System Variation Not Learned P0316 Misfire Detected On Startup (First 1000 Revolutions)

Read more at: http://www.obd-codes.com/trouble_codes/
Copyright © OBD-Codes.com
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P2195 O2 Sensor Signal Stuck Lean Bank1 Sensor 1 P2196 O2 Sensor Signal Stuck Rich Bank1 Sensor 1 P2197 O2 Sensor Signal Stuck Lean Bank2 Sensor 1 P2198 O2 Sensor Signal Stuck Rich Bank2 Sensor 1

Read more at: http://www.obd-codes.com/trouble_codes/
Copyright © OBD-Codes.com http://www.obd-codes.com/p0002

May 07, 2015 | 2006 Ford Taurus SEL

2 Answers

Ford freestar 2004 where is the O2 sensor #1 located


There is 4 senors the bank 1 sensor 1 is located in front of the LH (Drivers side) catalytic converter
Hope this helps

Jun 22, 2014 | 2004 Ford Freestar

1 Answer

2004 ford freestar van idles rough


For rough idle and error code issues on your ford freestar.Click the link below:----
http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html
--------This will help.Thanks.

Jan 31, 2012 | 2004 Ford Freestar

1 Answer

I recently had problems with my 2005 Mazda MPV stalling. I came to this great site and changed the IAC and it stopped stalling. But 2 days later my check engine light came on. The codes are P2197 P2195...


The descriptions for your codes are:
P2197 - H02S (RF) signal stuck lean
P2195 - H02S (RF) signal stuck lean
P2187 - Fuel System too lean at idle
P0102 - MAF circuit low input

Essentially what's happening is that your MPV is running too lean when at idle. Too much air and not enough fuel. As you speed up - it forces more air into the system which alleviates the problem.

Examine your mass airflow sensor. It should be completely clean - no fuzzies on it at all. If so - purchase some mass airflow sensor cleaner to clean the sensor. ONLY USE THE PROPER CLEANER TO AVOID DAMAGING THE SENSOR. Disconnect the battery to reset the system and turn off check engine light.

Otherwise you will need a scan tool to look at the voltages being supplied to/from the PCM for each of the Heated Oxygen Sensors and the Mass Airflow Sensor to determine which part is creating the problem.

May 25, 2011 | 2005 Mazda MPV

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

I have 2004 ford escape with V 6 engine 2 engine codes p2195 & p2197 it running ok but I don't know if this is a O2 sensor and if it is where would they be on the truck


p2195
02 sensor signal stuck lean bank 1, sensor 1
p2197
o2 sensor signal stuck lean bank 2, sensor1

i beleave this will be the sensor before the catalytic converter

Aug 21, 2010 | Ford Escape 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

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