A“sloppy” or rough idle can be caused by one of several things. One of the reasons that your truck may have a rough idle is due to a defective EGR valve that is stuck in the open or closed position. 2. Excessive Smoke. Modern diesel engines produce next to no smoke. Coal rolling, locomotive-like engines are now a thing of the past.

However the EGR valve can become clogged, preventing it from opening and closing properly, and this can cause an engine fault repair needed warning message to appear. Leaving a faulty EGR valve for too long can cause permanent engine issues – you will probably find your DS3 runs very rough as the engine runs either too lean or too rich
. #1. I've got a 1.5 DCi that now has 90k on the clock. It was re-mapped at around 44k and I do about 25k a year in it so it gets used to say the least. I always change the oil every 6k miles and clean the EGR as if its a service item. Recently its been getting really laggy and kicks out more black smoke then it ever used to.
Symptomsof faulty EGR valve include: Poor engine performance, Engine check light, Smell of unburnt Fuel from exhaust, Failed emissions test, and Rough idling.
Whatare the symptoms of a failing EGR valve? A faulty EGR valve can cause problems with the flow and operation of the EGR system leading
Ididn't get any symptoms at all other than the engine management light came on for a few minutes, the car was going like a bloody bat out of hell, then maybe 2 days later Renault replaced the EGR. Click here. T. Taipan Discussion starter. 214 posts · Joined 2005. #4 · Jul 16, 2006. l15ter said:
052.2 EGR, loss of power, management light, oil l - RennieReg : I have had exactly the same issues with my 2005 2.2 DCI Espace. Every 6000 miles the EGR valve packs up. The signs are: - A big puff of smoke comes out of the exhaust when trying to accelerate. Usually on the motorway. - Loss of power.
Howto remove the #EGR #valve on a Nissan X-Trail #T31 step-by-step.Looking for a new or seccond hand EGR valve? Follow this link:

OverheatingOf Your Vehicle A bad EGR valve can be responsible for your vehicle’s engine overheating. A clogged EGR valve will not prevent the release of

Aworn EGR valve can cause abnormal emission. EGR valve is located on the intake manifold. When your Check Engine Light (CEL) is on, or loss of power, or car shake stumble, there is a possibility that your EGR may get failing. Generally speaking, it costs you from around $160 to $242 if you fix EGR valve in the shop. But you know you can save a TheEGR is there to control NOX emissions by lowering combustion temp so (theoretically) the cylinder temps should be higher with the EGR disabled. Also I don't .
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    • 1.5 dci egr valve symptoms