Question about 2002 Ford Escape

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Can anyone tell me where the bank 1 sensor 2 for the oxygen sensor is for a 2003 ford escape

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Bank one is passenger side #2 sensor is post cat

Posted on Mar 21, 2013

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Sensor two is behind the convertors if you have a four cyl its the only sensor behind cat if its a 6 cyl then the side of engine closest to firewall is bank2

Posted on Jul 23, 2009

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Where is the bank 2 02 sensor on a 2003 3.0 ford tarusus?


Bank 2 o2 sensor 1 is on the back side of the engine. Simply follow the exhaust manifold nearest the firewall the first o2 is bank 2 o2 1 the next o2 will be bank 2 o2 2. The o2 you see by the radiator is bank 1 o2 1.

Jun 17, 2014 | 2002 Ford Escape

2 Answers

What does the codes p0442,p0136 &p0141 mean on my 2001 ford taurus it failed inspection for these codes


P0442 FORD - Evaporative Emission System Leak Detected Small Leak

Possible causes- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking
P0136 - O2 Sensor Circuit Malfunction Bank 1 Sensor 2
Possible causes- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Faulty Rear Heated Oxygen Sensor Bank 1
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks

P0141 FORD - O2 Heater Circuit Bank 1 Sensor 2

Possible causes- Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection
- Faulty Engine Control Module (ECM)

Sep 27, 2012 | 2001 Ford Taurus

1 Answer

I need to know which O2 sensors are which: Bank 1 Sensor 1, Bank 1 Sensor 2, Bank 2 Sensor 1, and Bank 2 Sensor 2. Which are on the engine block and which are on the exhaust?


bank one upstream oxygen sensor on exhaust manifold bank two oxygen sensor after catalytic converter.tell me what code you are getting.bank 1 sensor 1 fuel system is too rich fuel pressure too high fuel pressure regulator leaking or more than 1 fuel injector leaking. fuel contaminated.check spark plugs if black carbon color fuel system too rich. if you getting code bank 1 sensor 2 check for air leaks in the exhaust system, air leaks intake manifold.look for vacuum lines leaks,look for vacuum leaks pcv valve and hose and make egr valve not stuck open or gasket leak.

Apr 15, 2011 | 2003 Mazda MPV

1 Answer

I have a 2001 ford escape, where is the location of Oxygen Sensor in bank 2 and its the senor 1 for the heater???


I will make this easy for you,assumming your
going to change them yourself

Bank 1 --is on the side of the engine that has cylinder #1
Bank 2-- is the opposite side
Sensor 1-- is the one closest to engine
Sensor 2 -at converter outlet,those don't fail as often

If you have a bad O2 Sensor, your going to change
both (2) Sensors FRONT 2 only
They are the 2 closest to the engine

O2 Sensors- failed or not, get changed,front 2 only
at 100,000 miles.

Feb 28, 2011 | 2001 Ford Escape

1 Answer

My 2003 Kia Optima check engine light keeps coming on. I was told "Bank 1 Sensor 1" needs to be replaced. Where is Bank 1 Sensor 1?


P0130 Oxygen Sensor Circuit Malfunction - Bank 1 Sensor 1.
P0131 Oxygen Sensor Circuit Low Voltage - Bank 1 Sensor 1.
P0132 Oxygen Sensor Circuit High Voltage - Bank 1 Sensor 1.
P0133 Oxygen Sensor Circuit Slow Response - Bank 1 Sensor 1.
P0134 Oxygen Sensor Circuit No Activity detected - Bank 1 Sensor 1.
P0135 Oxygen Sensor Heater Circuit Malfunction - Bank 1 Sensor 1


Jun 23, 2010 | 2003 Kia Optima

2 Answers

Not passing smog check


bank 1 is pass/side exhaustpipe/converter bank 2 is on the driverside,this car has two converters, so you have 4 oxygen sensors, one before and one after the converter on each side, so bank 1 sensor1 is pass/side before the converter, bank 1 sensor 2 is pass/side after the converter, then bank 2 sensor1 is driverside before the converter, before means starting at motor, then bank 2 sensor 2 is driverside after the converter, heres a diagram to help, i hope this is helpful.a9203dd.jpg33c9cf6.jpg

Feb 06, 2010 | 1995 Lincoln Town Car

1 Answer

I have 2003 Ford Escape V6 I have to codes that read p0141 and p0161 and the car misfires I need help with this problem


P0141=O2 Sensor Heater Circuit Bank 1 Sensor 2
P0161=O2 Sensor Heater Circuit Bank 2 Sensor 2,
the 141 code is a problem with the heated O2 sensor on the drivers side exhaust after the converter,
the 161 code is the same except it is on that passenger side exhaust after the converter.

Jan 23, 2010 | 2003 Ford Escape

1 Answer

Location of the bank 1 sensor 2 O2 sensor on a 2001 ford escape


B1 means the sensor is located on the same bank of the engine that has the #1 cylinder. B2 is located on the opposite bank.
S1 means the sensor is located BEFORE the catalytic converter
S2 means the sensor is located AFTER the catalytic converter

You didn't say which engine you have, so I've included the diagrams of both 4 cyl and 6 cyl so you can see the banks

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Oct 20, 2009 | 2001 Ford Escape

2 Answers

Replacing bank 1 sensor 2 and bank 2 sensor 1 oxygen sensors


BANK ONE IS THE REAR BANK OF CYLINDERS AND TWO THE FRONT BANK

Jun 24, 2009 | 2002 Ford Escape

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