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EGR good/bad? been having some problems,e.g. uneven running for short periods. a friend suggested blanking off the EGR. is this a good idea?

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  • chris Jul 20, 2013

    vauxhall meriva 1.3cdti 57 plate

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  • Cars & Trucks Master
  • 75,822 Answers

Need make, model and year.

Posted on Jul 19, 2013


5 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

tripletauto
  • 1450 Answers

SOURCE: Runs good w/o EGR Valve but with EGR Valve connected idle is bad

what is the problem? sounds like you have an egr solenoid sticking you should not have vacuum at idle on valve

Posted on Dec 16, 2008

  • 132 Answers

SOURCE: running good then bad

Good Morning,
Sounds like you need a good tuneup. An engine that is misfiring usually indicates fouled or worn out spark plugs or wires. Also, the engine timing. Try replacing the spark plugs making sure they are properly gapped. If you have your vehicles operators booklet it will tell you the spark plug gap or if you don't have the booklet your auto parts store counter person can tell you. Firs change the plugs and see if there is any improvement. If there is and your satisfied your done! If you are not satisfied try replacing the spark plug wires next. Be sure to match the wire lengths and only change one wire at a time! If this doesn't solve your problem have the engine timing checked by your mechanic.
I hope this will help you.
Have a great day!
monodoc

Posted on Mar 26, 2009

honeymokey
  • 3113 Answers

SOURCE: runs uneven and very rough was told the egr is bad

You can take the egr valve off and clean it by removing the torx screws, Be careful not to tear the gasket that is under base plate of eger, after you remove the screws. You can purchase a new gasket that goes between the egr and manifold. These egr valves are expensive but you can clean them. Be sure to clean under the egr valve in the manifold to get rid of the carbon build-up. After scraping it loose, crank it up for a few seconds to blow out the sut. Timing and gears do not go bad on a 3800 engine. Check for vacuumn leaks at the three port valve on firewall. Follow the cruise vac. to it. They turn grey and fall apart and will leak. Mine has 298.000 miles on it. reply

Posted on Jan 30, 2010

SOURCE: My mechanic says don't replace egr as it go bad again in a short while. Is this true for a 96 saturn?

Odd advice from a mechanic

Maybe they have experienced a high failure rate
on your type vehicle,but you need a properly functioning
EGR Valve,to reduce NOX and pass inspection.

So replace it

Posted on Jun 02, 2012

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2 Answers

I have a 1995 Dodge Ram 1500 4/4 starts fine runs for about 10-15 minutes then it starts cutting out and backfiring can anybody have any idea


the indications are that there is a electronic failure ocurring from overheating component
areas to check will be ignition control module, coil or ECM if efi engine
check that the coil is correct running voltage and is not a 7 volt coil running on 12 volts continuous as that can cause coil problems from overheating after a short period of time

Mar 30, 2016 | Dodge Cars & Trucks

1 Answer

95 honda accord hard acceleration and bogging down at increased throttle changed fuel pump


Brother Dave, stuff wears out as you well know. But indications don't always point to the obvious. I know it sounds like fuel delivery problem, and new pump didn't fixit, so change the EGR valve. That's Exhaust Gas Recirculation valve. It's part of emissions control and only a couple of small bolts hold it onto the intake manifold with a small vacuum line running to it. A bad EGR will cause the slow pickup speed and won't pull a hill or even a short grade. I believe this EGR change will fix your situation completely. Good day my friend, and happy motoring.

Sep 21, 2014 | 1995 Honda Accord

1 Answer

Code P0405


CEL on, P0405
that dont effect engine running, nor can many more DTC>
DTC = errors.
405 is EGR.
if the egr is stuck open the engine stall.s
if it is not working dead, only the TEST FAILS.
true back to 1987 cars. (about)
its federal mandated test in the USA from then.

EGR is kinda simple on newer cars.
its a valve. and some have read back. telling the brain
hey, i didnt move.
id clean it first.
.
- EGR volume control solenoid valve
- EGR volume control solenoid valve harness is open or shorted
- EGR volume control solenoid valve circuit poor electrical connection
- EGR temperature sensor and circuit


Jun 25, 2014 | 2003 Mitsubishi Eclipse Spyder

1 Answer

I have a 1998 ford escort with a check engine light on and can't get it off


Here is a list of possible causes. Some things you have already done.

EGR solenoid valve harness is open or shorted
- EGR solenoid valve circuit poor electrical connection
- EGR volume control valve stuck closed
- Faulty EGR Pressure sensor
- Faulty EGR temperature sensor and circuit
- Faulty EGR Valve
- EGR passage clogged
- Exhaust gas leaks
Read more: http://engine-codes.com/p0401_ford.html#ixzz28fATCih2

Oct 07, 2012 | 1998 Ford Escort

1 Answer

Sudden low gas milage, loud hum noise 2005 dodge caravan


I would get berryman and sea foam and do an induction cleaning on the intake. It sounds like running low quality fuel may have caused the intake manifold to get gummed up causing low flow through the egr valve.

Oct 04, 2012 | Dodge Cars & Trucks

1 Answer

Whats an egr for


EGR Exhaust Gas Recirculation
It is to speed the engines warm up period. A warm engine has less emissions than a cold engine. Part of the emissions system and warrantied by the manufacture for about seven years.

Sep 15, 2012 | 1994 Toyota Camry

3 Answers

Code P1195


That code is for the EGR boost sensor. It has an open or a short in one of the wires.

For one thing the CEL being on all the time how will you know if something else comes up, short of it running bad or worse. The EGR serves two functions. It lowers NOx and allows for greater timing control. If the EGR is not working and the PCM advances the timing when there's no EGR it can cause excessive spark knock. If the knock sensor doesn't work it can cause severe engine damage. If the knock sensor works and the PCM lowers advance the biggest problem you'll have is polluting.

Hope helped (remember rated this help) Good luck.

Dec 04, 2009 | 1996 Mazda Protege

1 Answer

Egr valve engine light on. Is it the valve or


NORMALLY, IF THE LIGHT COMES ON, AS U SAY, IT IS A PROBLEM WITH ONE OF THE THREE.

A SHORT IS LEAST LIKELY..
USUALLY A ELECTRICAL PROBLEM SUCH AS THAT DOES NOT REMAIN ISOLATED , ESPECIALLY OVER THE TIME FRAME U HAVE GIVEN.


I WOULD CHECK ALL YOUR UNDER THE HOOD FUSES AND RELAYS.


THERE IS A WAY TO TEST YOUR SENSOR YOURSELF WITH A GOOD QUALITY DIGITAL VOLT METER..

TROUBLESHOOT ALL THE SYMPTOMS A BAD EGR CAN REPRESENT AGAIN..MAKE SURE THERE ISN'T A SYMPTOM U HAVE MISSED.

GOOD LUCK


Oct 02, 2009 | 2005 Chrysler Town & Country

1 Answer

Egr valve malfunction/failure what are symptoms? 3.5 v6 2004 paci


Your best bet would be to check your catilytic converter, thats the thing in your exhaust system under the car that looks like a muffer, it could be clogged, triggering the Exhaust Gas Recirculation (EGR) fault code. However, I don't trust those scanners from these autoPARTS stores have a proffessional diagnosis done you will save money and headaches later. You probably have more than one trouble code. As for the fuel pump you will know when it goes bad, the vehicle will stop running period, so, don't change that.

Madchanic.

Jul 28, 2009 | 2007 Hyundai Veracruz SE

1 Answer

1997 Chev. Cavalier 2.2 L P0404- EGR Valve Range/Performance


the EGR is VERY important to the computer. it constantly gives info to the computer about just how the engine is running, which in turn controls spark advance and fuel delivery.fix that EGR and at least it'll run a little better until you can fix that hose at your vacuum canister.

Jul 10, 2009 | 1997 Chevrolet Cavalier

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