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Exhaust System: Car parts catalogue

Exhaust System: oxygen sensor

Lambda sensor is used in cars to measure the amount of residual oxygen in the exhaust. This value is used for optimization of fuel mix, in particular for controlling the ratio of fuel and air. At the optimum ratio most of the pollutants in the catalyst can be transformed into harmless substances. There are lambda sensors that react to jumps of resistance, of tension and broadband lambda sensors. Along with the oxygen content in exhaust gases, oxygen content in ambient air is also measured.

If the oxygen sensor is faulty, indexes of the exhaust gases are deteriorating. Control of exhaust emissions will help to identify the problem. Significant reduction of power during acceleration may also indicate a faulty oxygen sensor. Black smoke from the exhaust pipe is one of the signs that the lambda sensor has failed. Before dismantling check if the wire is in place. In modern cars information about lambda sensor functioning is displayed on the dashboard. The oxygen sensor cannot be repaired, it must be completely replaced. It is easy to replace the sensor and you can do it without any assistance.

The oxygen sensor is located between the catalyst and the exhaust manifold. The old tube is unscrewed and replaced by a new one. The presence of the inspection pit hastens the repair. After installation verify the exhaust value and analyse the indicators on the dashboard. Our online store offers you a wide assortment of car parts. You will easily find exhaust manifold, muffler, ESP, brake shoes, radiator grille, air filter, rear view mirrors and other car parts on our site.

Lambda sensor failure

  • mechanical damages;
  • overheating caused by ignition system faults;
  • break of electric lines;
  • short circuit;
  • fuel soiling by gases and smoke.

Signs of Lambda Sensor failures

  • high percentage of toxic agents in exhaust gases;
  • significant fuel consumption;
  • vehicle dynamic performance decrease;
  • unstable functioning of the catalyst;
  • noticeable jerks at warmed up engine.

Causes of lambda sensor failures

  • cooling or brake fluid ingress on the part;
  • piston rings wear;
  • usage of surface-active agents for lambda sensor body cleaning;
  • impact of saturated petrol-air mixture on the part;
  • high percentage of plumbic compounds in fuel;
  • fuel filter clogging;
  • loss of tightness of the lambda sensor body;
  • ingress of fuel gases or air;
  • interruptions in supply of the primary power supply with the electric power;
  • increase of lambda sensor parts temperature because of low-quality fuel usage;
  • element functional qualities worsening.

Diagnostics

A few simple steps are to be performed for diagnostics of the Lambda Sensor. At first it is necessary to start and warm up the engine. Proper determination of residual oxygen level in exhaust gases is possible when the heating equals 300–400 °C. The assessment of frequency and form of a signal is determined by oscilloscope. Further it is worth finding out the exact values of resistance of the element heater at the room temperature. The indicator is normally equal 2–14 Ohms. After these procedures it is necessary to determine heater voltage at the working ignition system. Its desirable coefficient equals 10,5 V. The recommended frequency of Lambda Sensor diagnostics is every 30 000 operational kilometers.

Repair and replacement of Lambda Sensor

Only one type of defect removing is actual for a Lambda Sensor. It is the cleaning from the soiling by smoke and gases.  Unmounting of the part is carried out at a temperature of 50 °C therefore it is necessary to warm it at first. Cleaning is made by placing the sensor into orthophosphoric acid for 15–20 minutes. Then the element should be rinsed in the clear water and dried up. After that, it is necessary to check a thread of component and to apply an assembly paste on it. It is important to distribute the paste accurately, without getting it on a protective tube of a Lambda Sensor. Also you shouldn't apply it to the connector providing the oxygen supply.

If cleaning of the component didn't yield desirable result, it is necessary to replace the part. Replacement of the damaged element can be conducted by yourself or by means of the skilled technician.

Lambda Sensor: High quality car parts
DENSO DOX-0430 Oxygen sensor cost £ 92,04 Cable Length: 450mm Parts Details
  • Product line: Direct Fit
  • Thread Size: M18x1.5
  • Cable Length [mm]: 450
  • Number of Poles: 4
  • Quality: OE
  • Weight [g]: 102
  • Manufacturer Restriction: DENSO
  • Condition: New
In stock
Details
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DENSO DOX-0430 - Buy Lambda Sensor cheap price £ 92,04 online
Lambda Sensor (DENSO, DOX-0430)
Article №: DOX-0430
£ 92,04
£ 131,48**
incl. 20% VAT, excl. delivery costs
DENSO DOX-0246 Oxygen sensor cost £ 86,07 Cable Length: 430mm Parts Details
  • Product line: Direct Fit
  • Thread Size: M18x1.5
  • Cable Length [mm]: 430
  • Number of Poles: 4
  • Quality: OE
  • Weight [g]: 100
  • Manufacturer Restriction: DENSO
  • Condition: New
In stock
Details
-30%
DENSO DOX-0246 - Buy Oxygen sensor cheap price £ 86,07 online
Lambda Sensor (DENSO, DOX-0246)
Article №: DOX-0246
£ 86,07
£ 122,96**
incl. 20% VAT, excl. delivery costs
DENSO DOX-0518 Oxygen sensor cost £ 130,37 Cable Length: 225mm Parts Details
  • Product line: Direct Fit
  • Thread Size: M18x1.5
  • Cable Length [mm]: 225
  • Number of Poles: 4
  • Quality: OE
  • Weight [g]: 115
  • Manufacturer Restriction: DENSO
  • Condition: New
In stock
Details
-30%
DENSO DOX-0518 - Buy O2 sensor cheap price £ 130,37 online
Lambda Sensor (DENSO, DOX-0518)
Article №: DOX-0518
£ 130,37
£ 186,24**
incl. 20% VAT, excl. delivery costs
DENSO DOX-0242 Oxygen sensor cost £ 86,07 Cable Length: 510mm Parts Details
  • Product line: Direct Fit
  • Thread Size: M18x1.5
  • Cable Length [mm]: 510
  • Number of Poles: 4
  • Quality: OE
  • Weight [g]: 103
  • Manufacturer Restriction: DENSO
  • Condition: New
In stock
Details
-30%
DENSO DOX-0242 - Buy Lambda probe cheap price £ 86,07 online
Lambda Sensor (DENSO, DOX-0242)
Article №: DOX-0242
£ 86,07
£ 122,96**
incl. 20% VAT, excl. delivery costs
DENSO DOX-0306 Oxygen sensor cost £ 92,04 Cable Length: 780mm Parts Details
  • Product line: Direct Fit
  • Thread Size: M18x1.5
  • Cable Length [mm]: 780
  • Number of Poles: 4
  • Quality: OE
  • Weight [g]: 119
  • Manufacturer Restriction: DENSO
  • Condition: New
In stock
Details
-30%
DENSO DOX-0306 - Buy Lambda Sensor cheap price £ 92,04 online
Lambda Sensor (DENSO, DOX-0306)
Article №: DOX-0306
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£ 131,48**
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BLUE PRINT ADK87008 Oxygen sensor cost £ 34,80 Cable Length: 330mm Parts Details
  • Lambda Sensor: Regulating Probe
  • Fitting Position: in front of the catalyst
  • Cable Length [mm]: 330
  • Number of circuits: 4
  • Weight [kg]: 0,110
  • Number of connectors: 4
  • Outer thread [mm]: M18 x 1,5
  • Condition: New
In stock
Details
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BLUE PRINT ADK87008 - Buy Oxygen sensor cheap price £ 34,80 online
Lambda Sensor in front of the catalyst (BLUE PRINT, ADK87008)
Article №: ADK87008
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DENSO DOX-0263 Oxygen sensor cost £ 92,04 Cable Length: 220mm Parts Details
  • Product line: Direct Fit
  • Thread Size: M18X1.5
  • Cable Length [mm]: 220
  • Number of Poles: 4
  • Quality: OE
  • Weight [g]: 85
  • Manufacturer Restriction: DENSO
  • Condition: New
In stock
Details
-30%
DENSO DOX-0263 - Buy O2 sensor cheap price £ 92,04 online
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Article №: DOX-0263
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BOSCH 0 258 017 016 Oxygen sensor cost £ 95,00 Parts Details
  • Overall Length [mm]: 560
  • Number of circuits: 5
  • Recommended replace interval [km]: 250000
  • Condition: New
In stock
Details
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BOSCH 0 258 017 016 - Buy Lambda probe cheap price £ 95,00 online
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BOSCH 0 258 007 353 Oxygen sensor cost £ 57,57 Parts Details
  • Overall Length [mm]: 750
  • Number of circuits: 5
  • Recommended replace interval [km]: 250000
  • Condition: New
In stock
Details
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BOSCH 0 258 007 353 - Buy Lambda Sensor cheap price £ 57,57 online
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Article №: 0 258 007 353
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BLUE PRINT ADT370121 Oxygen sensor cost £ 87,84 Cable Length: 275mm Parts Details
  • Lambda Sensor: Heated
  • Cable Length [mm]: 275
  • Number of circuits: 4
  • Weight [kg]: 0,011
  • for OE number: 89467-52070
  • Outer thread [mm]: M18 x 1.5
  • Condition: New
In stock
Details
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BLUE PRINT ADT370121 - Buy Oxygen sensor cheap price £ 87,84 online
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DENSO DOX-0344 Oxygen sensor cost £ 58,60 Cable Length: 580mm Parts Details
  • Product line: Direct Fit
  • Thread Size: M18x1.5
  • Cable Length [mm]: 580
  • Number of Poles: 4
  • Quality: OE
  • Weight [g]: 97
  • Manufacturer Restriction: DENSO
  • Condition: New
In stock
Details
-30%
DENSO DOX-0344 - Buy O2 sensor cheap price £ 58,60 online
Lambda Sensor (DENSO, DOX-0344)
Article №: DOX-0344
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DENSO DOX-0537 Oxygen sensor cost £ 93,60 Cable Length: 790mm Parts Details
  • Product line: Direct Fit
  • Thread Size: M18x1.5
  • Cable Length [mm]: 790
  • Number of Poles: 4
  • Quality: OE
  • Weight [g]: 116
  • Manufacturer Restriction: DENSO
  • Condition: New
In stock
Details
-30%
DENSO DOX-0537 - Buy Lambda probe cheap price £ 93,60 online
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£ 133,72**
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