WHAT HAPPENS WHEN YOUR GMC DURAMAX EGR VALVE GOES BAD IN JEFFERSONVILLE?
Emission control system of the vehicle has an EGR valve to reduce nitrogen oxide emissions.
EGR valve is either allowing the exhaust gases back in or sending them out the tailpipe.
Like other components of the vehicle, the EGR valve also gets clogged due to regular use.
When the EGR valve of the GMC Duramax becomes dirty that can block the carbon deposits from the exhaust gases.
The following points define the symptoms of a bad EGR valve in GMC Duramax.
Smell of gasoline
When the nitrogen oxide is coming out of the tailpipe, check out the EGR valve.
Due to the bad EGR valves, the engine will burn more fuel than required and release hydrocarbons.
REDUCE THE ENGINE PERFORMANCE
If the engine performance is reduced during acceleration, the EGR valve is either opened or closed.
When it happens, you will notice many problems in the GMC Duramax such as: Reduce fuel mileage Rough idling Engine hesitation Engine sputtering
ROUGH ENGINE IDLING
If the EGR valve is stuck in the open position, then too little or too many exhaust gases enter the combustion chamber.
In this case, the air/fuel mixture inside the engine is interrupted and causes rough engine idling.
PRODUCE MORE EMISSIONS
When the EGR valve is failed, your vehicle will fail the emission test and produce more emissions.
If it happens, check the EGR valve as soon as possible from a reputed mechanic.
Illuminated check engine light
In general, the electronically operated EGR valve is receiving the data from the ECM.
When the EGR valve fails, the check engine light is illuminated on the dashboard.
When the EGR valve of the pickup truck is failed, it will cause many problems in a long run.
If the EGR valve of the GMC Duramax fails, consult a mechanic to find the causes behind the problem and fix it.
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