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yes, the egr valve (Exhaust Gas Recirculation) device is there to help reduce emissions by resending unburnt fuel and harmful gasses back through the cycle.

This also helps the engine burn leaner and cooler.

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Q: Does the egr valve affect your gas mileage?
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Does the egr valve have anything to do with the gas mileage?

A malfunctioning EGR valve can definitely lower fuel economy.


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There is no egr valve on a 95 Honda del sol. I looked all over mine and on the internet, no egr valve. If your emissions are screwed up replace the catalytic converter and have a pro check your timing. Most of the time it is your cat. I am still looking for the answers to bad gas mileage, hard to determine why but many del sols lose that good gas mileage for no apparent reason.


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The EGR is the acronym for exhaust gas recirculation valve. The 1993 Cutlass Ciera does not come equipped with an EGR valve.


What does the egr valve connect to?

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What is an egr sensor?

exhaust gas recirculation sensorIt is a sensor that is mounted to the EGR valve. It moniters the position of the EGR valve and sends that info to the ECM.


What does P0400 OBD trouble code mean and how do you repair it?

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Where is the exhaust gas regulation sensor located on a 2001 Dodge Intrepid with a 2.7L?

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Where is the egr sensor located in your Nissan 200sx?

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