Santa FE SM (2001-06) :: 2004 - Ignition Coil Sparks / Rough Jumping Idle

I have a 2004 SF/2.4 I4. When the car warms up, the ignition coil sparks between the rubber boot and the coil itself, drawing the spark from the plug and resulting in a misfire. This is especially apparent when the A/C is running and the car is idle-ing, resulting in the A/C turning off and a rough jumping idle. Once the car is running this is not noticeable and the A/C turns on.

I have changed the spark plugs to new autolite plugs, and the situation disappeared for a day, but now it is back. I ordered OEM NGK Laser Iridium plugs, I hope they will fix the situation. Why would the A/C matter? Next on the list will be the ignition coil and wire change, but I hope to avoid that.

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Santa FE SM (2001-06) :: Oil Leak And Rough Idle - CEL On

My 2001 Santa Fe is having some major issues with rough idling, and there is a fairly significant oil leak. The check engine light is not on. In the past year it has had a new fuel pump, fuel filter, valve gasket covers, spark plugs, spark plug cables, and transmission.

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Santa FE SM (2001-06) :: Rough Idle - Oil Light Flickering

At idle, (600 RPMs, might need to bring it up?) the motor is Real rough, but doesn't stall out, just very "wobbly" Once the car is brought up to the 900-1000 RPM range everything flattens out, and at driving speeds it drives great! Pulled up to 90 mph on the high way, and passed a few cars on some back roads and everything ran great, until I hit idle.

It threw a code for the Cam Position Sensor after I tried to restart the car, and the person who work on this car before me had zip tied the connector into the sensor because he had broken it. Low and behold, you cant buy just the replacement part of the harness.

I tried to get the wires all plugged back in, and the CEL went away, but the idle was still pretty rough. Also, at idle, the oil light flickers just a bit.

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Santa FE SM (2001-06) :: 2003 - Rough Idle When Using Brakes

2003 Sante Fe is suddenly having a problem at stop lights or anytime the car is stopped with brakes. It feels as if the car is going to stall - or back fire. Very evident since it pulls on the brake pedal - just had back brakes replaced.

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Santa FE SM (2001-06) :: Rough Or Bumpy When Idle At A Traffic Light

I have a 2003 Hyundai Santa Fe. Within the last 2 months or so I have changed my timing belt, spark plugs, and all belts that needed to be changed. I notice that when I am idle at a traffic light, the car is a little rough or bumpy. Is this normal for its age, or should I be looking at something specific.

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Santa FE SM (2001-06) :: Car Has Hard Start, Rough Idle With Stalling

My coworker is giving me a clean 2001 Santa Fe with 151000 miles. It was running fine then all of the sudden it lost power but was able to stutter home. I went to check it out it started fine but idled a little rough. When I revved the engine it rose to about 2500rpm and stuttered then stalled. Kind of like it was rich and choking out. It then had difficulty restarting.

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Santa FE SM (2001-06) :: Cold Start Rough Idle For 20 To 30 Seconds

I'm having this cold start issue with my 2001 SF, but it doesn't seem to be fuel related like as the car starts fine but after about literally 1-2seconds the RPMs drop below 1k and the car will stall if I don't put my foot on the accelerator and keep it around 1000-2000 RPMs. But if I happen to make the revs go too high and let them drop again it seems like it wants to stall even easier. After about 30 seconds it smoothens out and drives almost perfectly except for a slight lack of power than normal going uphill (A.T drops to 2nd gear, sometimes 1st depending on the incline). We have had the coolant temp sensor and the fuel pressure sensor replaced. Could it be the MAF? We did clean it one time but it didn't seem to work much at all. Recently out of curiosity, I disconnected the MAF sensor and started the car it being started for a few days. No issue with idling whatsoever!.. ??

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Santa FE SM (2001-06) :: 2003 - Rough Idle / Stalls At 2000 Rpm

I have a 2003 santa fe I just replaced the cat. in it because it was running so poorly. Now that I've replaced the cat it seems to be worse. The car idles real rough, and cant get it to go over 2000 rpms. No engine light. Had the codes checked and all came out fine. I pulled out the plugs and replaced with new. The car in park ran great until I put it in gear then went back to the same no power, rough idle and cant get more than 2000rpm with out a stall. Stalls but dose not die. Disconnected the pre o2 sensor no change.

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Santa FE SM (2001-06) :: Pulsating Rough Idle When In Park With Defrost Or AC On

what would cause a pulsating rough idle when in park with the defrost or a/c on? when I turn it off or to any other position it's fine even when I turn if off it's fine as well? there is no Check Engine Light showing at this point.

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Santa FE SM (2001-06) :: 2003 - Rough Idle After Replacing Timing Belt

I have 130K miles on my Santa Fe. I just replaced the timing belt without the water pump being replaced. Picked it up from the mechanic and the check engine light was on and it was idling very rough. Left it there for him to recheck. He said maybe he didn't plug in the Cam Sensor all the way or at all. Next day he called me and said that the cam sensor was bad and he replaced it for free. Picked up the vehicle and the idle was a little rough but got worse on the ride home.

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Santa FE SM (2001-06) :: 2003 2.7L - Rough Idle / Stalls After Short Warm Up

We are at 120K miles. The vehicle runs fine most of the time, but every once in 10-15 starts, it will rough idle or stall after a short warm up time when my wife stops at an intersection. Once she restarts it, it runs fine.

I have changed the spark plugs and wires, the fuel pump, the crankshaft position sensor (was fried) and after consulting this forum, I checked the fuel pressure regulator and the diaphragm is not leaking.

I was able to recreate the rough idle and the CEL on the dash, but my two OBDII readers said there were no codes And the bluetooth reader I am using is indicating that the following tests are not completing: Fuel System, Catalyst, Evaporative System and Oxygen Senors.

The dash CEL resets itself upon restart and does not light until the symptoms return.

After reading the Haynes Repair Manual, I am wondering about the Evaporative Emissions Control (EVAP) system? But I don't want to lead the troubleshooting.

We bought the vehicle at 60K miles and it has been mostly reliable.

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Santa FE SM (2001-06) :: Slow Acceleration And Rough Idle After Spark Plugs Changed

Here's the run down:

-bought 6 months ago for cheap because it wouldn't pass smog test
-changed Purge Control Valve (PCV) and it passed
-filled with gas, heard popping noises like a backfire, and coded it read the same "Bank 1 and Bank 2 running lean, like it did before the PCV and then also "Cylinder 3 Misfire" appeared.
-At this point the car started running rough, at idle, and through acceleration...sputtering uphill, and when climbing through the gears.
-Changed the plugs & wires
-NOW, it's cylinder 5 misfiring, and not nearly as bad. It's idling and running rough, acceleration has somewhat come back, but it's definitely not 100%.

Should I start with the PCV again, since it's not starting after I fill the tank, and climbing gears slow? Is there anything else I should be checking?

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Santa FE SM (2001-06) :: Engine Running Rough At Idle / High RPM And Appears To Be Misfiring

Recently replaced plugs/wires on soon-to-be 10 year old '04 SF 3.5L (157K mi.) for the first time.

Plugs were OE Champion Platinum and all 6 looked identical except for excessive gap of .010 +/- due to all the miles. Replaced plugs with same as OE. Old plug wires looked good, but replaced them with aftermarket wires ( fit was as good as OE). Also replaced plenum gasket.

Problem is: engine runs rough at idle and high rpm and appears to be mis-firing. CEL is off and code reader shows no Trouble Codes stored.

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Santa FE SM (2001-06) :: Hard To Start After Fill Up - Rough Idle And Engine Shuts Off

Every time i stop for gas..my 01 santa fe is hard to start..it would take 4 to 5 start before she goes, then i have to keep the rpm up, bring her to idle..after that shes ok, till the next fill up.. the only way around this is to keep her running while gassing up..while filling up she run rough idle, some time engine shuts off..then its hard to start..

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Elantra XD (2001-06) :: 2004 GLS - Sudden Rough Idle Under 1k RPM

I have an '04 Elantra GLS with 274k on it. I've been caring for it myself with basic maintenance; that said, I changed the oil in it about 100 miles ago. Halfway through my drive home it started to idle rough under 1k rpm.

I've noticed a lot of other Hyundai's have the same issue. What would be/is the most COMMON cause of this? Timing belt? Basic tune up? I moved a state away from my local shop and I refuse to go to a Midas/Jiffy/ect.

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Santa FE SM (2001-06) :: 2004 - Starts But Won't Idle

We just replaced the starter on a 2004 Hyundai Santa fe 3.5. The car now starts, but won't idle. I can keep my foot on the gas and keep it running, but as soon as I let my foot off the gas it dies. We didn't have this problem before replacing the starter. Where to start looking?

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Santa FE SM (2001-06) :: 2004 4WD Idles Rough / Brake Pedal Not Working

I have a 2004 Santa Fe 3.5L 4WD. It's been running rough on occasion for quite a while now, but it's only been an occasional thing. I replaced the front passenger side axle and went for a test drive and the vehicle was barely running. I put the throttle to the floor and it does nothing more than idle. I barely made it home and am afraid to pull it out of the drive. I started it up this morning and it seemed to be idling just fine. I pushed the brake to put it in gear and it started stumbling. When I put it in gear, same thing, pedal not doing hardly anything.

The check engine light did come on and I had a buddy bring down a scanner to check it. I don't know if these are Hyundai specific codes or not, but here's what he pulled: P1110, P2127, P1173, and P1192. I'm thinking throttle position sensor, but am unsure. I've put a lot of time and money into this vehicle lately. I've spent some money and a lot of time trying to figure out why it was showing abs and traction control lights. Turned out to be the exciter ring on the axle was broke.

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Elantra XD (2001-06) :: 2004 - Rough Idle When In D And Foot On Brake

I have an 04 elantra 2.0. Seems to idle rough when in D and foot on brake at the the lights etc. Put it into N roughness goes away.

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Santa FE SM (2001-06) :: 2004 2.4l Engine With High Idle Speed

2004 2.4l engine has high idle speed aprrox. 1000rpm.

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