The solenoids may control the vacuum supply to the EGR valve or operate the valve directly. A computer, which is often referred to as the powertrain control module (PCM), operates the solenoids based on input from various sensors. Symptoms of a Bad EGR Valve. When the EGR valve fails, it can cause several noticeable symptoms. Here are the most

Wondering if anyone can offer any advice to a friend who's having problems with his car. 59 reg Focus 1.6 TDCI (old shape) circa 50,000 miles. Engine management lamp came on one evening last week.

Removed and cleaned the EGR valve and fitted a blanking plate. Seems to have solved the problem.
Hi Ok if the EGR cooler was leaking then there would be a drop in the coolant level Obvious I cannot see how thick etc the smoke/smog is It sounds like overfuelling due to the symptoms of diesel knock etc It would be worth removing the leak off pipes to clarify if this return valve could be the problems this forces fuel back to the injectors instead of smoothly outthe return to pump Also these
To fix a stuck EGR valve, the first step is to check the engine’s vacuum hoses. Then, using a carburetor cleaner, spray the valve and clean it thoroughly until all carbon is gone. If you have an OBD2 scanner, scan your vehicle to further diagnose the issue.

Mondeo mk 3 - EGR Valve blanked - problems since - 3uga. NOx usualy forms at high temperatures and high presures. Geting exhaust gases into the intake means less oxigen in the combustion chamber and lower combustion temperatures, reducing the formatin of NOx. NOx forms at such high temperatures that is bad for engine.

Posted November 27, 2022. Hi all, I have owned my Ford Fiesta 1.4 TDCi mk6 for almost 1.5 years now. It has been a great car, cheap tax, insurance, fuel etc. However, the last couple of months I’ve encountered a problem that is getting significantly worse. When starting my car, my idle revs fluctuate a few hundred rpm and the car chugs. Cv80C2.
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    • ford focus 1.6 tdci egr valve symptoms