Can a bad EGR valve cause gas smell?
Symptoms of a bad EGR valve include: rough idling or stalling. a smell of fuel. increased fuel consumption.
Can a faulty EGR valve cause smoke?
If the EGR system is clogged up, or the valve is stuck closed, the combustion temperature increases. In a diesel engine, a bad EGR valve is one of the causes of a black smoke. Really, any smoke would fall into this category.
What causes EGR failure?
A clogged catalytic converter or Diesel particulate filter (DPF) Carbon build up on EGR temperature sensor. Vacuum supply issues at the (Vacuum operated EGR valve) Electrical problems with the EGR valve control circuit.
Where did the VW fix the Dieselgate problem?
He took the car for its dieselgate repair at his dealer in Glasgow, and got home without drama, but it later broke down with the culprit being the exhaust gas recirculation valve. He was refused a courtesy car, despite his VW dealer keeping his car for two weeks, but VW did waive the cost of the repair.
What are the problems with the VW diesel?
Other readers report cars running hot, having problems with the diesel particulate filter, high-engine idle speeds, or paying for repairs without knowing that VW should have been covering the cost. Some drivers have had to pay their breakdown provider to transport their car further afield than stipulated distances,…
What should I do if my EGR valve is not working?
Remove the EGR valve and check if it’s opening when you are using the vacuum pump. If the EGR valve is working properly, check the solenoid that is controlling the EGR valve, and check if you have power and ground to it.
Why is my exhaust gas recirculation valve not working?
After miles of service, the exhaust gas recirculation (EGR) system — especially the EGR valve — will lead to engine performance problems due to carbon buildup, components mechanical problems, or vacuum hose leaks.