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Fig. 1: EGR valve with EGR cooler

Information on diagnostics

Creeping coolant loss

leaky EGR coolers often go unnoticed

1 Housing plug 2 Valve chamber 3 Valve head

Information on the product

BMW 1.5/1.6/2.0 l diesel EGR valve

Installation only in energised state

3249

Information on diagnostics

Adaptation to engine management

Various Pierburg components must be “learnt”

Different electric EGR valves

Information on diagnostics

Electric egr valves

Matching to the engine controller is required

3432

Information on diagnostics

Opel/Vauxhall EGR valve

error messages with new parts

3491

Information on diagnostics

OBD and Air Supply

3467

Information on diagnostics

OBD-System

OBD and exhaust gas return system

Damage symptoms: blocked EGR valve

Information on diagnostics

EGR Fault due to foreign bodies from the exhaust tract

Principle of exhaust gas recirculation (pneumatic)

Information on the product

Troubleshooting in exhaust gas recirculation system on Otto and diesel engines

Basic information

Since EGR valves do not soot themselves, it is essential to search for the causes of soot formation.

Information on diagnostics

Troubleshooting in exhaust gas recirculation system on Otto and diesel engines (2)

Tips for troubleshooting

3541

Information on diagnostics

Simple Fault Causes are often Missed

OBD error due to inadequate vacuum

Pierburg EGR cooler module with integrated EGR valve and bypass flap fitted by Fiat and GM

Information on the product

Cooled exhaust gas recirculation

Function and application