Santa FE SM (2001-06) :: 2003 - Loss Of Power While Driving On Highway

2003 Santa Fe - Loss of power while driving on highway. Dropped from 60 to 15 MPH in matter of seconds. Feels like a couple of cylinders (3.5 liter) are not working.

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Santa FE SM (2001-06) :: 2003 - Heater Just Quit Working While Driving On Highway

Today, while driving on the highway, my heater just quit working. My car is equipped with the automatic climate controls and so I switched it to manual mode to see if the heat would come back. The heat does not seem to be mixing at all with the air.

One weird thing is that if I set the temperature to 90 degrees then the A/C mode will turn off and blow pure hot air. However, if I go to 89 degrees then the heat will stop and the A/C will turn on again. Turning off the A/C manually does not bring the heat back.

What could be wrong? I might just try unplugging and reconnecting the controls since I was messing with the radio a couple of days ago.

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Santa FE SM (2001-06) :: 2003 Jerks At Highway Speeds

We have an '03 Santa Fe (2.4L). We are the original owners.

About 18 months ago, one of our Ignition Coils cracked and caused a misfire when then engine was under load. I replaced the coil, wires, and plugs myself at that time.

Since that time, we have experienced intermittent engine jerking while at highway speeds. There does not seem to be any pattern, and it does not happen every time we drive it.

I took it to the dealer who diagnosed a valve cover leak. They replaced the gasket, one ignition coil, wires and plugs. The problem still happened intermittently after that. I brought it back to the dealer, who diagnosed a valve guide/seat leak. Oil is getting into the cylinder and fouling the plug they say.

I could not afford the fix (and was very dissatisfied by the service I received) so the dealer recommended to change the plugs every 3 - 5K miles to get me through. I was told this on 03/31/09 (125695 miles). I replaced the plugs, wires, and BOTH coils again at that time.

Last week @ 130K miles the engine jerked again. I replaced all four plugs again Sunday morning, but the ones that I pulled were NOT look oil fouled. I showed them to a mechanic friend and the guy at the auto parts store. Both agreed that the spark plugs looked almost new. Sunday evening, while driving on the freeway, the car jerked again!

Since this happened again SO soon after changing the plugs, I really have a hard time believing the valve guide diagnosis. Some possibilities I have seen/heard:

- Crank position sensor or camshaft sensor (This was replaced at 78K miles along with the all of the belts)
- Clogged fuel filter
- Bad O2 sensor
- Vacuum leak from the hose that is between the throttle body and the engine casing
- The dealer's valve seat suggestion

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Santa FE SM (2001-06) :: 2003 2.7 - Sudden Loss Of Power At Highway Speed

On my '03 Santa Fe 2.7, this has happened twice, with 500 or so uneventful miles in between. At highway speed, it just all of a sudden loses power and will only go about 50 mph with accelerator to the floor. When you stop & put in neutral, it only revs to about 3000 rpm, with pedal to the floor -yet idles fine. Then when you shut it down, wait a few minutes & start it back up, it's fine. Is this a fuel problem or what?

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Civic - Honda :: 2002 - Shudder When Driving At 40 Mph / CEL Came On And Decelerated To 20 Mph

I drive a 2002 Honda Civic. I was driving home from work one day, traveling about 40mph when the car shuddered, the check engine light came on, and I decelerated to 20mph or so. It then wouldn't go any faster than 20-25mph without more shuddering and revving up past 5000rpm. I am able to drive the last 1-2 miles home at low speed without problems. I am able to drive the 15-20 miles to work in the mornings without issue, even on the highway at 70mph. It has been hot in the afternoons (95-100+) and I wonder if the heat has something to do with it. Also, I have an in-dash DVD unit and the screen turns dim/an odd tint from time to time. It doesn't seem to coincide with the other problems. A repair shop said they think it might be a grounding issue.

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Santa FE SM (2001-06) :: 2003 - While Driving Buck And Stalls

My wife and I own an 2003 2.7L Santa Fe 2WD with ~176K miles, for the past couple months we have been having several problems with this car, the biggest problem being that it will buck and jump while driving, and is now beginning to stall out. The stalling issue happens while driving at low speeds, while stopped in traffic, or while idling. The engine will rev slightly higher then stall out but will usually start right up afterwards. Only once that I know of, my wife has told me that it would not start right away.

I have read that the cause could be the CPS or fuel pressure regulator. Is there anyway, other than just swapping parts, to narrow down the culprit to the correct fix? The other problem we are having is the hard start after fueling up. I tested the Purge Valve by blowing into the hose, and determined it to be bad and will replacing it soon.

A little history on the car: I replaced the fuel pump and strainer last year, and a couple years we had 2 of the 3 catalytic converters fall apart and clogged the exhaust, so I knocked them out and have been driving with only one intact converter (rear exhaust manifold) since then. I know that isn't good for the O2 sensors, but we cannot afford to replace them at $300+ a piece.

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Santa FE SM (2001-06) :: 2003 - While Driving Power Window Goes Down By Itself - Way To Disable It?

I have a 2003 Santa Fe, 2.4L. I think some snow got onto the power window switch panel, then melted and fried something. While driving, the driver side window will go down by itself. What's more, when I turn my headlights on, the window goes down as if the headlight switch is the switch for the window.

How I could fix this? Is there a way to disable the power window altogether? I'd rather do that in the meantime if it's going to require some expensive diagnosis and fix from the mechanic.

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Santa FE SM (2001-06) :: 2003 - Interior Lights Started Blinking While Driving

My SO has a Hyundai Santa Fe - 03 2.4L with the 4 speed auto with 130500 miles.

While driving tonight, the interior lights started blinking. Which was kind of odd. Apparently when this happens, the tail lights (but not headlights) go out.

I did a quick bit of research on it and apparently there is a "bus" that goes bad and causes this. What is a "bus"? And how do I replace it? Is it something like a fuse that is getting corroded?

Also ... I think there may be something up with the a/c. When I turn on the A/C or defroster (any setting that activates the compressor), I smell a burning rubber smell in the dash. I'm not seeing the belt slip on the compressor and not hearing any slippage but there is a definite burning rubber smell. When the HVAC is on something that does not activate the AC Compressor (top vent) we do not get the smell.

Lastly, there are some transmission issues it seems. There is a shift flare between the 2-3 shift and the 3-OD shift sometimes is very firm/abrupt ... it appears to be locking the torque converter during a very hard shift.

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Santa Fe (CM - 2007-12) :: Power Loss Suddenly When Driving On Highway At About 80-90 Kms/hr

I am using a Hyundai Santa Fe (Petrol, 2011 Model) here in Saudi Arabia. On July 17 (11:30 pm), I was driving in a highway at about 80-90 kms/hr when suddenly my vehicle lost power (steering wheel, brake, etc).

Baed on the diagnosis of our company mechanic, it was an alternator problem. He said the alternator bearing got stuck up.

Prior to this incident, on July 7, the same vehicle got stalled twice while it's parked. In the first case, I was able to use it after jumpstarting. In the second case in the same day (4 hours after the first case), jump starting didn't work so they have to replace it with a temporary used battery. I noticed that I had a hard start (the engine responds only after 3-4 key ignition). After replacing the battery with new one, I was able to drive normally from July 9 to Jul 17, and then the incident happened as I described in the first paragraph.

Question: Is there a way to detect the alternator bearing problem before it actually breaks down? If there is, what procedure or predictive test is normally followed to identify potential problems in an alternator?

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Santa Fe (CM - 2007-12) :: Loud Bang And Twang When Driving Down The Highway

I was driving down the highway when I had this loud bang and twang, after inspecting the car I realized it was the left rear seat belt that was broken. The seat belt fails to retract and cannot be pulled. I'm guessing the retractor is the fault.

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Santa FE SM (2001-06) :: Lack Of Acceleration On The Highway

2002 Santa Fe 2.7L AWD automatic

She was on the highway this afternoon and was accelerating to merge in with traffic. Apparently the car just reved up without actually accelerating. She said it felt like she was in neutral. I've driven the car a few times over the last week and it has been running perfectly - No hesitation anywhere at any speed. There are no CELs (yet). It is probably worth mentioning that it has been raining HEAVILY here for the last 24-hours and I would not be the least bit surprised if she hit a few puddles on the way. I can just about guarantee the CPS has never been changed and am suspecting it may be a short in causing her problem.

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Santa FE SM (2001-06) :: Shudder During Acceleration At Highway Speeds

My '04 Santa Fe (135K miles) has been doing this for a little while.

Between 65 - 75 MPH on the highway, under acceleration, I experience what I can only describe as a "shudder".

I don't believe it's a wheel balance issue, because if I'm coasting or maintaining that speed everything is stable.

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Santa FE SM (2001-06) :: Engine Suddenly Cut Out When Cruising Down The Highway

Cruising down the highway, my 2001 Santa Fe engine suddenly cut out. Would crank, but not fire. Not hearing a sound from the back when I flipped on the key, suspected the fuel pump, which I replaced. No go.

I'd pressed the fuel pump reset switch under the hood - checked it again. Should the switch, when it's pressed, stay in a locked position, like when you do a reset on a GFCI electrical outlet? Or is it normal for it to have the up/down 'play' in it?

Also noticed a strange buzzing on the other side of the engine compartment -- was the unit (don't know what it's called) that the throttle cable feeds into - hooks onto a pulley. The buzzing was intermittent and inconsistent, but it was happening with just the power switch on.

Oh, and did replace the fuel pump fuse, too. While it's at 280.000 miles, not quite ready to give up on 'er yet!

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Santa FE SM (2001-06) :: 2004 2.7L AWD - Vibration At Highway Speed

I bought a 2004 Hyundai Santa Fe 2.7L AWD about 5-6 months ago. It has close to 120,000 miles and has a terrible vibration at highway speeds. It starts around 55-60mph and gets increasingly worse as speed increases. The steering wheel originally vibrated quite violently, but after changing the "front axles" it resolved only the vibration in the steering wheel

I took it to a local shop we trust, they changed the "front axles", all spark plugs, ignition coils, timing belt, transmission fluid change, and a o2 sensor.

I changed out a serpentine belt, tensioner, and idler pulley (due to a squeak), another o2 sensor, and tried to change the transfer case + rear differentials fluid. I couldn't change them because the fill plug was very stuck... we used a propane torch and a large socket wrench.

Anyways, after the front axles were replaced, the steering wheel got significantly better, there is however some vibration through it. After they were replaced it did not fix the vibration shaking the whole car. I've noticed that when you let your foot off the accelerator all the way, the vibration stops. When you step on the accelerator again it starts shaking very bad, and then begins to get slightly better. The vibration has a rhythmic timing to it. It seems like it pulsates stronger, then softer every 1/2 second or so

Also I have had the wheels balanced 3 times. I doubt it's the tires, unless a tire is out of round. My rotors also do not seem to be warped. When I brake, there is no shaking/shimmying. I was wondering if it could be the engine mounts? This vibration is very annoying, since I have to drive long trips sometimes. Other than this problem I like this car and would love to see it fixed.

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Santa FE SM (2001-06) :: 2004 2.7L V6 GLS - Vibration At Highway Speed And Idle

I have a 2004 2.7L V6 GLS Hyundai Santa Fe AWD that I purchased about a year ago. The car has about 114,000 miles on it I believe. My problem is that I have an annoying vibration at idle and at highway speeds of 60-65 mph. The vibration decreases somewhat towards 70 mph. The vibration at idle is usually present, but sometimes vanishes for no apparent reason. The car is very smooth below 55 mph, but when around 60-65 mph becomes quite violent at times. The side view mirrors shake very badly and the vibration can become tiresome.

Originally the shop believed that the front axles were the culprit and replaced them – this mitigated some vibration felt through the steering wheel, but not much of the vibration throughout the cabin. The wheels have been balanced 3 times, alignment checked, and wheels do not seem to be bent/dented. (The tires were road force balanced)

In addition I have also had the following work done:

-2 oxygen sensors replaced (both post-catalytic converter)
- 2 Catalytic converters (replaced to pass emissions)
-Timing Belt Replaced
-Serpentine Belt Replaced
-Idler Pulley and Auto-Tensioner Replaced
-Ignition Coils Replaced
-Spark Plugs Replaced
-Transmission Fluid Change
-Oil Changes
-1 Tire Replaced (Sidewall Blew Out) (Michelin LTX M/S2 Tire)
-Air Filter Changed
-Crankshaft Position Sensor Replaced (It was Corroded Away)

Why the car is vibrating so that the mechanics can check it out. One idea I have could be the engine mounts – this would explain the vibration at idle (in park). I drive about 10 hours a week on the highway at the speeds that cause this vibration.

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Elantra XD (2001-06) :: Sounds Like An Airplane When Driving On Highway

My car sounds like an airplane when I'm on the highway. It started a week ago. I don't have new tires or anything and it only starts when I'm going above 80 km/hr.

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Ford - Taurus :: 2001 Stalls After 2 Hours Of Highway Driving?

This happened a year ago. We got it running after a few minutes, and had the fuel filter changed before continuing on the highway again. It ran fine for the remaining 2 hours of the trip. I looked online and saw this as an issue, but no one knows why. It was suggested to take a break after 2 hours, and that has worked until 2 days ago, when it stalled an hour after the break, then restarted after some time and made it the next 1 1/2 hours home no problem. Each time it stalled, the air temp had been in the high 90's.

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Jeep - Wrangler :: 2001 Slips Into Neutral When Driving On Highway

I have a 2001 Jeep Wranger (4cl) automatic that has hated highways. When i drive on the highway, after about 4 hrs, my jeep decides to slip into neutral. So i initially have to hit the gas pedal to make it down shift and then it seems okay but of course after about an hour it does the same thing. Hence a long ride becomes much longer. I usually pull off and let it the engine cool down and that seems to work and i can resume the highway once again. I have had the transmission looked at and a transmission flush done. I have been told that i do not need a transmission but the mechanic has no idea why this occurs.

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Elantra XD (2001-06) :: Oil Light Popped On While Driving At Highway Speeds Of 55 - 60

The wife and I own a 2003 Hyundai Elantra with 163k miles.

We just had our oil changed and we are currently running 5/30 and the oil light came on about a week after the change. I stopped the car immediately and checked the oil level and it was fine and oil was super clean. So I jumped back in the car and the light was off. Drove down the road about 2-3 miles and the light came back on and stayed on. Today it stayed off for a good 5-10 min while driving at highway speeds of 55-60 and then it popped on. The car runs great and it's not running hot that I know of and doesn't sputter or anything.

I was wondering if it was a bad Oil Pressure Switch? Where are they located at in the motor? I just put 1k into it with new new belts, valve cover gasket, spark plugs, wires and tires.

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