Question about 1998 Ford Escort

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Oxygen sensor defective? where do i find it in the engine and around how much do u think it would cost?

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There's two one around your exhaust magifold and one after your catalytic converter, you will need to scan your system to know which one is bad, o2 sensor 1 is the one near the magifold and o2 sensor two is the one after your converter, also check for vacum leak's. hope this was very helpful.

Posted on May 12, 2010

  • Alexander Mimun
    Alexander Mimun May 12, 2010

    o2 sensor run about $ 60.00, o2 sensor 1 before converter napa part # 13127 and o2 sensor 2 downstream after converter napa part # 13131.

  • Alexander Mimun
    Alexander Mimun May 12, 2010

    o2 sensor's cost about $60.00. o2 sensor 1 at magifold napa part # 13127 and o2 sensor 2 downstream after converter napa part 13131, both have a round connector.

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The oxygen sensor is in the exhaust either near the exhaust manifold or in the exhaust pipe. It has a single wire on it. They are sometimes hard to get out will probably need a special socket to remove it.

Posted on May 12, 2010

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2001 nissan maxima code p0155 ses light will not stay off. repaired the issue with the code.


  • Defective Oxygen Sensor/Air Fuel Ratio Sensor Heater element(s)
  • Defective Oxygen Sensor/Air Fuel Ratio Sensor Heater circuit
  • Defective Engine Coolant Temperature Sensor
  • Defective sensor wiring and/or circuit problem
  • Defective Oxygen Sensor/Air Fuel Ratio Sensor Heater Relay or Fuse
  • PCM software needs to be updated
  • Defective PCM

Aug 29, 2017 | Nissan Cars & Trucks

1 Answer

What would the car be doing if it needs a oxygen fuel sensor


Possible causes - Faulty Upstream Oxygen Sensor Bank 2 - Fuel pressure high or low - MAF sensor dirty/defective - Vacuum leak on engine - Leaking fuel injector or fuel pressure regulator - Faulty Powertrain Control Module (PCM)

Read more: http://www.autocodes.com/p1151_ford.html

Jun 27, 2014 | 2003 Ford Taurus

1 Answer

P2251how do I fix a oxygen spencer


You will likely need to replace the oxygen sensor. There are two different sensors so knowing which one you need when you go to the auto parts store is important. I think I had the same fault as yours and the new sensor cost around $100. Auto parts store also loaned me the wrench (deposit required) to remove and replace. Once new sensor is in you will need to drive at highway speeds for ~10-20 minutes for everything to reset correctly.

Jun 16, 2014 | 2005 Kia Spectra

2 Answers

Check engine light low voltage o2 sensor 04 chevy ventura


your code must be P0131, a P0131 code refers to the first oxygen sensor on Bank 1. P0131 means the O2 oxygen sensor's voltage remained low for longer than 2 minutes. This is interpreted by the ECM as a low voltage condition and sets the MIL. Bank 1 Sensor 1 is located in front of the catalytic converter.
The solution is you can:
1.Replace faulty sensor.
2.Repair short, open, or high resistance on o2 signal circuit. FB.init("dd7d9e9681341cde77587bc6a2029f6f"); OBD-Codes.com on Facebook

Jul 02, 2011 | 2004 Chevrolet Venture Passanger

2 Answers

97 CV - Chk Eng light on - something about oxygen sensor??? BUT - in cold weather - has little to no PWOWER in accellorating - UNLESS I allow the engine to "warm-up" for a while?>???


if the oxygen sensor is bad it will either not send or send the wrong signal to the ecu making the engine think it is running rich on fuel so the ecu cuts back the fuel supply

Jan 10, 2011 | 1997 Ford Crown Victoria

2 Answers

After going over 40mph the check engine light goes on n it gives the code 440


How did you read that code on your car? A 92 Accord is supposed to give you pre-OBD honda codes, which are all below 100. Please check the code again and re-post it.

Jan 04, 2011 | 1992 Honda Accord

1 Answer

2004 Passat, 127,000 miles, engine light has been on and AutoZone printed computer report that lists an oxygen sensor. This needs to be echecked by the end of the week. Low cost suggestions?


Sounds about right for the miles. A Bosch Oxygen Sensor will cost you around $61 - A DENSO is about $10 cheaper(NAPA prices). Easy to replace, and If you do not replace you will eat up allot of fuel and also could take out your catalytic converter too.. Good idea to replace it. A shop typically charges around $65 labor plus parts to replace it.

Take Care

Oct 04, 2010 | 2004 Volkswagen Passat

2 Answers

Where is the O2 sensor located on the 2003 V6 All Wheel Santa Fe and how dificult is it to replace?


Hyundai Santa Fe 2001-05
Heated Oxygen Sensor (H02S): The sensors are located in the exhaust system. On some vehicles, one sensor is located up at the exhaust manifold(s) and the other sensor is located down at the catalytic converter. On other vehicles, both sensors are located down at the catalytic converter.

d2217fa.jpg

How to Replace an Oxygen Sensor
Parts:
1. Oxygen Sensor
2. Oxygen Sensor

Tools:
1. 3/8 in. Drive Ratchet
2. Multimeter
3. Oxygen Sensor Socket
4. Combination Wrench Set
5. Crimp Tool
6. Socket Set
7. Scan Tool

Steps:
Step 1 * Park the vehicle on a level surface. Set the parking brake and open the hood.
o Tip: Safety Tip:Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or safety shoes.
o Tip: Always make sure the struts on the hood can fully support the weight of the hood so that it does not close on you while working. The use of a hood prop can securely hold it in place.

Step 2 * With the engine off and cool, locate the defective oxygen sensor in the exhaust manifold or pipe. If necessary, lift the front of the vehicle and support it with jack stands.
o Tip: Most vehicles have multiple oxygen sensors. How many sensors, depends on the model year and type of engine.

Step 3 * Disconnect the wire connector at the defective oxygen sensor.

Step 4 * Remove the oxygen sensor from the exhaust system.

Step 5 * If you are installing a universal oxygen sensor, cut off the connector from the original sensor and splice the connector wires to the new oxygen sensor. Follow the manufacturer’s instructions supplied with the sensor.

Step 6 * For threaded oxygen sensors, apply anti-seize compound to the threads and install the new sensor.

Step 7 * For flange mounted oxygen sensors, install a new gasket and tighten the mounting bolts.

Step 8 * Reattach the wire connector from the sensor.

Step 9 * If necessary, connect the OBD I/II scanner and erase the fault code.

Hope help with this (remember rated and commented this help) Good luck.

Mar 01, 2010 | 2003 Hyundai Santa Fe

2 Answers

I have a code flashing on my ecu for a honda


This is from the first or second google search for "honda civic ecu codes". I'm actually going through this myself.
EF Ecu Trouble Codes
Reading EF ecu Trouble codes
Reading them's pretty simple. When there is a long flash this indicates tens and a short flash indicates ones.

Look under the Passenger seat (under the passenger kick panel for flashing LED - engine code. Short the plug under there.

For example: Flaaaaaash Flaaaaaash Flash = code 21
Flaaaaaash Flash = code 11
Flash Flash = code 2

1) Primary oxygen sensor- Defective circuit or unplugged/ Defective sensor
2) Oxygen sensor "B" - Defective circiut or unplugged/ Defective sensor
3) MAP (Manifold Absolute Pressure) Sensor - Defective circuit or unplugged/ Sensor
4) CKP (Crankshaft Position Sensor) - Defective circuit or unplugged/ Defective sensor
5) MAP (Manifold Absolute Pressure) sensor -Mechanical problem/ Disconnected piping
6) ECT ( Engine Coolant Temperature) Sensor- Defective circuit or unplugged/ Sensor
7) TP (Throttle Position) Sensor -Defective circuit or unplugged/ Defective sensor
TDC (Top Dead Centre) Sensor -Defective circuit or unplugged/ Defective sensor
9) CYP (Cylinder) - Defective circuit or unplugged/ Defective sensor
10) IAT (Intake Air Temperature)sensor- Defective circuit or unplugged/Defective sensor
12) EGR (Exhaust Gas Recirculation) -Defective circuit or unplugged/ Defective sensor
13) Atmospheric Pressure Sensor - Defective circuit or unplugged/ Defective sensor
14) IAC (Intake Air Control) Valve- Defective circuit or unplugged / Defective sensor
15) Ignition Output Signal - Missing or defective ignition output signal
16) Fuel Injector System - Defective circuit or unplugged/ Defective fuel injector
17) VSS (Vehicle Speed Sensor) - Defective circuit or unplugged/ Defective sensor
19) Automatic transmission lockup control Solenoid Valve- Defective circuit or unplugged/ Defective solenoid. A/T Only.
20) Electronic Load Detector - Defective circuit or unplugged/ Defective sensor
21) VTEC Solenoid Valve- Defective circuit or unplugged/ Defective solenoid
22) VTEC Oil Pressure Switch - Defective circuit or unplugged/ Defective switch
23) Knock Sensor - Defective circuit or unplugged / Defective sensor
30) Automatic Transmission Signal- Defective circuit or unplugged/ Defective sensor
31) Automatic Transmission Signal "B"- Defective circuit or unplugged/ Defective sensor
41) Primary Oxygen Sensor Heater- Circiut malfunction
43) Fuel Supply System - Defective or malfunctioning Fuel Supply Sytem
45) System too lean or too rich - Malfunction in the fuel monitoring systems
48) LAF (Lean Air Fuel) sensor - Defective circuit or unplugged / Defective sensor
54) CKF (Crankshaft Speed Fluctuation) sensor- Defective circuit or unplugged / Defective sensor
61) Primary Oxygen sensor circuit- High/ Low Voltage, Or slow response
63) Secondary Oxygen Sensor circuit- High/ Low Voltage, Or slow response
67) Catalyst System Efficiency Below Threshold- Malfunctioning catalyst system
70) Automatic Transmission - Malfunction with Automatic Transmission Controls
71-74) Random misfire in Cylinders 1-4- Condition present Creating Misfire
80) EGR (Exhaust Gas Recirculation) Insufficient Flow Detected
86) ECT (Engine Coolant Temperature) Circuir Range / Performance Problem
90) Evaporative Emissions Contrlo System - Leak Detected In Fuel Tank Area
91) Fuel Tank Pressure Sensor- Low Input
92) Evaporative Emission Control System Control System- Insufficient Purge Flow

Ask your autoparts store how much the parts are and decide if it has a point to even do it, its a 19 year old car. You should also ask if that employee works on the side and would do it for you, if you aren't comfortable.

Mar 01, 2010 | 1991 Honda Civic

3 Answers

Check engine light is on, diagnostic code p0140 keeps comming up.


I had this problem with my 05 Trailblazer and it happened around 50k miles. The oxygen sensor needs to be replaced and the part costs about 90 bucks but atleast you will have you're check engine light off.

Dec 16, 2009 | 2005 Chevrolet TrailBlazer

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