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

you have addressed most of the things that cause these codes

https://www.google.com/search?q=2006+Ford+Mustang+P0106+and+P2195


MAP Sensor (as opposed to MAF)
P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance O2 Sensor P2195 O2 Sensor Signal Stuck Lean When the O2 sensor reports lean, it is dumping extra fuel which causes carbon fouling. This takes a while to burn off or you can use an 'Extreme Clean' type fuel system cleaner.

https://www.cjponyparts.com/resources/mustang-dtc-codes

..

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/
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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

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P2195 & 97 is a lean condition reported by both O2
on right side

The pcm drove the fuel trim lean to correct for a over
rich condition on right bank only due to a leaking fuel
injector most likely

That is a common problem on an expedition with 5.4

I have seen people find & replace the bad injector
I would mail all of them away to be ultra-sonicly cleaned
& flow tested if it were mine

If you have a professional scan tool or software you woulod
see the issue on fuel trim.

The MAF is common to both banks & you only have an issue
on the right side so the MAF is okey

Your plugs should give some indication of the bad injector
if that is the case

Need details on brakes!!

first check the fuses they are heated o2 sensor codes if the heater fuse blows the codes will turn on as can a bad sensor

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.

If the O2 Sensors are original,you could just change the front 2

The ones closest to the engine.

Any other issue you need to actually diagnose, as codes
are for just that reason

They don't ever tell you to replace anything

Running rough is more the O2 Sensors

Plugs
MAF Dirty
Vacuum Leaks
Ignition Coils going bad

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).

Replace both O2 sensors

Hi
171 system too lean
174 system too lean
2195 - 02 ozygen sensor signal stuck lean Bank1 Sensor 1
2197- 02 ozygen sensor signal stuck lean Bank 2
Sensor 1
The 2 front 02 sensors are located on the front of
the exhaust manifold.
Should solve problem and increase gas mileage.