what is an egr valve

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what is an egr valve

— It connects the exhaust manifold to the intake manifold and is controlled by either a vacuum or a built-in electric step motor. The function of …

Is it OK to drive with a bad EGR valve?

Can I drive with a bad EGR valve? Technically, you can drive your vehicle with a bad EGR valve, but your vehicle will run rough, shake at idle, and a check engine light will be illuminated. You might also hear popping sounds while driving down the road.

What happens if EGR valve is blocked?

If the EGR system is clogged up, or the valve is stuck closed, the combustion temperature increases. This may cause pinging (detonation), as well as surging on light acceleration. In a diesel engine, a bad EGR valve is one of the causes of a black smoke. The Check Engine light might also come on in either case.

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Will bad EGR cause engine damage?

One of the most significant parts of the EGR system is the EGR solenoid. A faulty EGR valve can damage the EGR solenoid that can, in turn, cause performance issues of the engine. The engine check light would turn on then, and then the engine might knock and ping.

What does a bad EGR sound like?

You hear knocking noises coming from the engine Knocking noises from the engine can be caused if the EGR is constantly closed. This is because at low rpm the fuel ignites early when it meets the high temperature. Detonations are also common as a second ignition can occur after the normal ignition.

What happens when EGR valve goes bad?

A faulty EGR valve can cause problems with the flow and operation of the EGR system leading to performance issues including a reduction in power, reduced acceleration and decreased fuel efficiency. … EGR valves can become stuck 'open' or 'closed' due to a build-up of soot particles, carbon deposits and dirt from fuel.

How long can you drive with bad EGR?

How risky is it to drive with a faulty EGR valve for a few days …

Can I drive without an EGR valve?

As per my research and going through the threads on EGR valves its OK to run without EGR. Yes it might affect the environment but no harm to engine as such. there are people who are running without EGR for more than 50k km.

How much does it cost to replace a EGR valve?

The average cost of replacing the EGR valve in your vehicle is anywhere from $250 to $350 on average, depending on your vehicle's year, make, and model as well as the type of system it has. The cost of parts will be somewhere around $190 to $270, while the cost of labor will be anywhere from $60 to $80.

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Can I drive with a bad EGR valve?

Can I drive with a bad EGR valve? Technically, you can drive your vehicle with a bad EGR valve, but your vehicle will run rough, shake at idle, and a check engine light will be illuminated. You might also hear popping sounds while driving down the road.

Are EGR valves expensive to replace?

The average cost of replacing the EGR valve in your vehicle is anywhere from $250 to $350 on average, depending on your vehicle's year, make, and model as well as the type of system it has. The cost of parts will be somewhere around $190 to $270, while the cost of labor will be anywhere from $60 to $80.

Can I replace my EGR valve myself?

Can I Do It Myself? Although it's possible to complete an EGR valve replacement yourself, due to the need to access the engine chamber, it's not recommended unless you're an experienced mechanic.

How long does it take to replace EGR valve?

How long does an EGR valve replacement take? Looking once again at the averages delivered by our data, an EGR valve replacement should take around 3/4 of an hour.

How much does it cost to have an EGR valve replaced?

The average cost of replacing the EGR valve in your vehicle is anywhere from $250 to $350 on average, depending on your vehicle's year, make, and model as well as the type of system it has. The cost of parts will be somewhere around $190 to $270, while the cost of labor will be anywhere from $60 to $80.

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What happens if EGR valve is disconnected?

If you unplug it, while the truck is off, then the EGR will stay closed. If the EGR valve is clogged or completely blocked off it can longer re-burn harmful emissions in the combustion chamber.

Can you drive with no EGR valve?

As per my research and going through the threads on EGR valves its OK to run without EGR. Yes it might affect the environment but no harm to engine as such. there are people who are running without EGR for more than 50k km. Also in all remapping they disable the EGR.

Can a car run without the EGR valve?

It might affect the environment but it is not harmful to the engine. Some people are running for more than 50k km without EGR. The EGR is disabled in all remapping.

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