Rough Idle Due to Faulty EGR Switching Valve on Hyundai Santa Fe

On the 2.7L V6 and 2.4L 4 Cylinder, a defective exhaust gas recirculation (EGR) switching valve may cause an intermittent rough or unstable idle engine.

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Average mileage: 101,541 (19,100–165,000)
Engines affected: 2.4L 4 Cylinder, 2.7L V6, 3.3L V6, 3.5L V6
10 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007, 2009, 2010, 2013
41 people reported this problem
21 people shared problem details
when ever i put gas in my car and only at this time after i m done putting gas in and i go to start my car it does not start right away it takes a few tries...every single time.
2002 Hyundai Santa Fe- 2.4L 4 Cylinder138,000
Idling,jerking at stol lights,stop signs,when i press the gas the RPM's go up to 4 and hesitant to go at time of pressing gas just did oil change,spark plugs replaced,spark plugs wire only 2 unsure what it could be i need advice..
I have a 2001 Hyundai Santa's skipping and running ruff to it start then about 50 miles it stops then later on that day it's does it all over again.. What is causing this....."Not the spark plug"
My Sante Fe also has a very rough idle but haven't had it diagnosed yet.
2010 Hyundai Santa Fe- 2.4L 4 Cylinder62,000
my eco light flashes then goes off and motor runs rough when at a idel for stop sign or red light the gas milage is so poor about 10 miles per gallon. the rpms stay around 2.5 and jump to 3.5 if you excelerate as to pass a car the rpms go as high as 6 and never come down pass 3.5 ??? the shop changed the throttle body stating this was the issue but i believe there are more than this .I think the shift tronic is the issue. i requested they change the egr switch seeing the car is still under warrantee but they were sure the throttle body was the answer so we will see in a day or so once i get my car back from shop if not it goes back and they will continue to play hit and miss till they find the problem untill then i drive a brand new fully loaded 6 cly santa fe as a loaner Beautiful car nice ride love it
2004 Hyundai Santa Fe- 2.7L V698,000
Rough idling for a few minutes. Then it seems to smooth out after "getting used to the change in weather."
Rough Idil at cold starts, tach goes lower then 1 then back up to 1/2
Rough idle when engine is cold.
2002 Hyundai Santa Fe- 2.4L 4 Cylinder29,000
misses at idle after it warms up and yes 29000miles on it
2010 Hyundai Santa Fe- 2.4L 4 Cylinder99,500
Engine vibrates when stopped in gear. Sometimes I feel hesitation when leaving from a stop. Gas mileage is down. New plugs and could have been installed. The intermittent vibration persists. I'll be having the dealer put in a new egr switching valve this week.
2002 Hyundai Santa Fe- 2.4L 4 Cylinder98,976
replaced egr hose check engine light went off
2004 Hyundai Santa Fe- 2.4L 4 Cylinder140,000
Same problem. They bypassed my egr :(
2002 Hyundai Santa Fe- 2.7L V6
This has been a reliable car - we got it at 26,000 used from the dealer, but I tend to have the same problem during warm weather. I have been using a fuel conditioner just to keep it running smoothly. I thought it was the ERG valve, but I had it changed today and still have the same problem. Going to have the fuel filter checked next.
2003 Hyundai Santa Fe- 2.4L 4 Cylinder140,000
same ongoing problem...started at 30,000 miles
2001 Hyundai Santa Fe- 2.7L V6164,000
I change valves onmy 2.7l hyundai santa fe due to timing belt broke got it all back together and it has a miss could it be the egr canister purge control valve
2003 Hyundai Santa Fe- 2.7L V698,500
After filling up the tank, the car does not turn on. It takes a couples tries before the car is ready to start.
2002 Hyundai Santa Fe- 2.4L 4 Cylinder110,808
Rough idling at cold start, which persists the entire time the start is on whether its in motion or stopped. Also experiencing poor acceleration, poor fuel economy, the car jerks as well , and I'm smelling exhaust from inside the vehicle.
2004 Hyundai Santa Fe- 2.4L 4 Cylinder133,614
EGR valve was replaced and still having the same issues and car is randomly breaking down at stop lights and signs.
2013 Hyundai Santa Fe- 2.4L 4 Cylinder25,000
tik tik sound at drivers side and jerking sound
Rough idle, Check engine Light On, Code P0401. Have not investigated if it is the actual EGR valve, hoses to or from, or dolenoid yet. Pretty sure it had the same problem around 25-30 miles in 2005.
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