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Exhaust gas recirculation valve (egr valve) for your car

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Exhaust gas recirculation valve (egr valve) - order and buy easily

Egr module from leading manufacturers

  • BOSCH Exhaust gas recirculation valve (egr valve)
  • FEBI BILSTEIN Exhaust gas recirculation valve (egr valve)
  • MAPCO Exhaust gas recirculation valve (egr valve)
  • VALEO Exhaust gas recirculation valve (egr valve)
  • TOPRAN Exhaust gas recirculation valve (egr valve)
  • SWAG Exhaust gas recirculation valve (egr valve)
  • METZGER Exhaust gas recirculation valve (egr valve)
  • JP GROUP Exhaust gas recirculation valve (egr valve)
  • Buy at the best price here JOHNS Egr module
  • Buy at the best price here HELLA Egr module
  • Buy at the best price here JAPANPARTS Egr module
  • Buy at the best price here DENSO Egr module
  • Buy at the best price here DELPHI Egr module
  • Buy at the best price here MEAT & DORIA Egr module
  • Buy at the best price here VEMO Egr module
  • Buy at the best price here BLUE PRINT Egr module
  • DIEDERICHS
  • HERTH+BUSS JAKOPARTS
  • MAGNETI MARELLI
  • TRISCAN

Your Exhaust gas recirculation valve (egr valve) worn out? » Read more about common malfunctions • Repair • Replacement manual

Decrease nitrogen oxide with the EGR valve The exhaust gas recirculation valve, or EGR valve for short, serves to reduce pollutants in the exhaust gas from internal combustion engines. The EGR valve recirculates a portion of exhaust gases into the combustion chamber, which causes previously formed NO particles to be broken down into nitrogen and CO2 through repeated burning. The EGR valve is also called sometimes called gas recirculation valve. Function and position of the EGR valve The EGR valve sits directly on the intake manifold. It is connected to the exhaust or the drive channel of the turbocharger. Depending on the construction, an additional cooler is attached to the pipe for the EGR valve. The EGR valve is electronically controlled by the control unit. The parameters for its control are motor temperature, residual oxygen in the exhaust gas, speed and airflow. Since the mechanics of the EGR are located in the exhaust gas stream, a contamination of the component is inevitable. However, it prior to replacement becoming necessary, it can usually be returned to a working condition several times by thoroughly cleaning it. Repairing EGR valve Inner pollution by soot from the exhaust gas is the main cause for a faulty EGR valve. This is especially likely to occur in diesel vehicles. The connecting rod from the valve sits directly in the exhaust stream, wherefore particles may quickly accumulate. Consequently, the valve's may stop functioning due to a deadlock. One symptom of this defect is a restless idling. However, in this case the control unit will usually also emit a warning. The EGR valve can be treated with special valve cleaner in its mounted state. Brand quality products are available from LIQUI MOLY or PROTEC with prices starting at about 12 euro per spray can. For this, the suction hose is simply removed, the EGR valve thoroughly sprayed from the inside and cleaned with a cloth after a certain treatment time. Old toothbrushes are particularly effective for this. If this cleaning measure is not sufficient, an ultrasonic cleaner can sufficiently clean the EGR valve. The installation and removal of the EGR valve is usually quite easy. It is attached to the intake manifold with four screws and connected to the engine with nothing more than hose clamps and connector contacts. Due to the high price of the replacement part, performing an initial cleaning is worth a try. Buying a new EGR valve If the EGR valve is not just dirty, but mechanically damaged, the only option that remains in most cases is replacing it with a new one. This is especially indicated in cases of electronic damage to the valve guide. Here, it is important to only trust a certified OEM provider. The internal electronics and mechanics of the EGR valve are exactly matched to the type of engine and the control unit. If the commands are incorrectly implemented by the control unit, it may cause various problems. In the simplest case, the residual content of nitrogen oxides in the exhaust gas is consistently too high. This will cause the vehicle to fail its main inspection. In the worst case, the soot filtering in the exhaust can wear out too fast, which in turn entails high costs. This will quickly make the purchase of a cheap EGR valve by an unknown third party manufacturer unprofitable.
A new EGR valve by PIERBURG or FEBI BILSTEIN is always a good choice. These parts are already available for under 100 euro depending on the type of vehicle. However, the price can also easily exceed 400 euro. With high-quality components, the exhaust gas cooler is usually installed inside the EGR valve. As this component may also deteriorate and is rather difficult to clean, it should also be changed when replacing the EGR valve.

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