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2001 ford expedition eddiebauer sensor 1 bank 1

My check engine light is on and they did a diagnostic test and it stated that it was my o2 sensor. bank1 sensor1. Whats the location for that sensor?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: location of O2 sensor in bank 2, 99 5.4 expedition, running lean

I have a ford 2003 windstar that was running very rough when cold and almost stalling. engine light came on. went to autozone and they read the codes for free and told me it was running lean on Bank 2 also. i came home searched for the O2 front sensors online using the info autozone gave me. there are 2 front sensors on my car that need to be replaced at the same time. look for ones that have a direct plug in and don't need wire splicing. the ones without the wiring harness are cheaper but more of a pain, i think.
they were fairly easy to replace. getting access with the wrench was the worst. reset the light by disconnecting the battery for a few minutes. seems fine now and the light hasn't come back on.

Posted on Jan 25, 2009

jgwhomeequip
  • 1902 Answers

SOURCE: O2 sensor

On the left front part of the engine, near the bottom, you also have a second one underneather the car right past the engine towards the rear of the car

Posted on Feb 08, 2009

  • 78 Answers

SOURCE: need location of o2 sensor in motor

The O2 sensor is a measure of the Oxygen in the exhaust gas, so there are 2 typical locations for them.

The most common place in directly on the exhaust manifold. The second is usually under the vehicle, on the exhaust tube just in front of the catalytic converter, usually on the top side of the pipe where's it's most inconvenient.

Follow your exhaust piping from the engine to the tailpipe and you should find them. They're the only things on the exhaust with wires running to them.

Posted on Jun 10, 2009

REDOIL
  • 355 Answers

SOURCE: what is the firing order for a 2003 Ford

well do not no if its an 8cy or 6cy but if 6cy its 142536 if 8cy 13726548 looking at motor 1234is on passengers side 5678 on driver same gose for the six cylinder

Posted on Aug 27, 2009

bschilz
  • 2049 Answers

SOURCE: 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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Posted on Oct 20, 2009

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2 Answers

What does code p1131 mean on a 2001 ford taurus


P1131 Ford
P1131 Ford - Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1

Repair Importance Level: 3/3

Repair Difficulty Level: 2/3

http://engine-codes.com/p1131_ford.html

Forum Code

Possible causes

- Faulty Oxygen Sensor

- Vacuum leak affecting bank 1 only

- Fuel injector problem bank 1

- Check for cylinder misfire on bank 1

- Engine mechanical condition

Tech notes

Though the Oxygen (O2) sensor, the Engine Control Module (ECM) has detected a lean system, which means that there is either not enough fuel or and excessive amount of air in the system. Start by checking for vacuum leaks.

When is the code detected?

The Engine Control Module (ECM) detected bank 1 oxygen (O2) at its lean limit

Possible symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

P1131 Ford Description

A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an over-lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.

Read more: http://engine-codes.com/p1131_ford.html#ixzz3izk89wMu

Aug 16, 2015 | Ford Cars & Trucks

1 Answer

Have a Ford fusion 06 Have p0141 code I fix the oxygen sensor but the codes still comes on?


Did you replace the right one ? This code does not necessarily mean the O2 sensor is bad . The code description say O2 heater " CIRCUIT " bank 1 sensor 2 Did you check the wiring , the fuse ?
P0141 - O2 Heater Circuit (Bank 1, Sensor 2) Description: See the description for DTC P0135. Possible Causes: See the possible causes for DTC P0135. Diagnostic Aids: See the diagnostic aids for DTC P0135. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test DW . P0135 - O2 Heater Circuit (Bank 1, Sensor 1) Description: During testing the heated oxygen sensor (HO2S) heaters are checked for open and short circuits and excessive current draw. The test fails when the current draw exceeds a calibrated limit or an open or short circuit is detected. Possible Causes:
  • Vacuum hose disconnected on exhaust gas recirculation (EGR) system module (ESM) applications
  • Short to VPWR in the harness or HO2S
  • Water in the harness connector
  • Open VPWR circuit
  • Open GND circuit
  • Low battery voltage
  • Corrosion or incorrect harness connections
  • Damaged HO2S heater
Diagnostic Aids: Check the HO2S electrical connector for damage, corrosion, and water intrusion.
Damaged HO2S heater. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test DW .

Mar 31, 2015 | 2006 Ford Fusion

1 Answer

2000 ford expedition. just purchased today "as is"


it could be the o2 sensor or the throttle position sensor .

Feb 14, 2013 | Cars & Trucks

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

Where is bank 1 on a 2001 ford taurus?


If it was the upper o2 this is the one.This does not mean the o2 is bad,check the spark plugs and boots,and fuel pressure.The fuel ratio is not correct on that bank.

Apr 13, 2010 | 2001 Ford Taurus

2 Answers

How do i know what O2 sensors to order, there are several on my 2002 ford expedition V8/5.4ltr. engine? The diagnostic machine can no longer be used to tell which sensor is down due to my cigarette lighter...


Hi, I work for Bosch and I run the line that makes the sensors. I have replaced the mine in a 2001 expedition. It's fairly easy, except the driver front. When you go buy your sensor, buy the aftermarket. It has been tested on the line just as the OEM and passed with the same test. The sensors have the exact same components inside the sensor. The auto store will tell you different and so will the shop. The only difference is: when we assemble the OEM, it usually has the OEM marked on it such as Ford, GM, VW and so on. It seems like a long paragraph but I want you and anyone else to understand. However the top of the sensor may look different than the OEM, but that has nothing to do with the function of it. We make what is called LSF which is what yours will probably take. It should have the # marked on it: 0258986602 big aftermarket. This is sold at Advance. Auto Zone. Trust me friend, there's no difference in the OEM and Aftermarket. I wish I knew this when I needed them. Also the OEM is $70-$140+. Aftermarket $35-50. The lighter should not have anything to do with having it checked. Go to Advance, have them do a free check and then buy you sensor while your there. Tip: you may know this but, usually the code for your keypad entry is located under the dash, below the steering wheel. It is usually on a white sticker. It don't state that it is your code but it should be 5 numbers, and this is the master code even if you have changed it to your personal code. Also the **** you here about, we can't make an extra key unless you have 2 extras at the dealership, that is bull. When I bought mine it came with one key and no key fob. I had 2 extra keys made and a fob programmed within 10 min. We have a guy here that is awesome. He does it for the dealerships around here. Sorry for the long paragraph, just want to pass on info for the people that need it.

Dec 31, 2009 | 2000 Ford Expedition

2 Answers

P0136, P1131, and P1151 codes on Ford Expedition 2000 4.6L


Your auto has four O2 sensors. Two upstream and two downstream; With two banks. Bank 1, sensor 1...and bank 2, sensor 1 are the two upstream (exhaust manifold before the catalytic). Bank 1, sensor 2 and bank 2, sensor 2 (other side of catalytic)

Code 1131= upstream; bank 1..sensor 1
Code 1151= upstream; bank 2..sensor 1
Code P0136 (generic code) bank 1..sensor 2 (questionable)

I wouldn't spend the money to purchase 3 sensors. Highly unlikely all three are bad; Cost is about $40/ ea.
Since there isn't a code for the cat's themselves, I would suspect the O2 circuit is malfunctioning. The rough idle is another clue.


Take an ohmmeter set it on X10 scale and measure the resistance from engine to body and body to negative post on battery terminal. You should read zero ohms (full needle deflection). If you do go buy two upstream O2 sensors. If you read
open or a high resistance run two straps from eng. to body...and body to neg.batt. post.

FixYaWIZ................saailer

Dec 10, 2009 | 2000 Ford Expedition

1 Answer

O2 sensor code, possible vacuum leak


bank 1 is the drivers side and sensor 2 is after the cat.

Aug 15, 2009 | 1998 Ford Expedition

3 Answers

Bank 1 burning to lean check engine light on flunked state emissions


It is a common problem, you will have to change bank 1, o2 sensor as it is covered in burnt oil and fuel telling the computer to run lean.
hope this help

Jul 07, 2008 | 1997 Ford Expedition

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