Elantra HD (2006-10) :: 2009 - Malfunction Indicator Light And Horrible Gas Mileage?

I have a 2009 Hyundai Elantra SE, and up until very recently I've had no issues with it, and am very happy with this car. About 2 weeks ago the malfunction indicator light came on. I checked the manual and it said to contact the dealer ASAP to have it checked out, but the car will still run. I've been terribly busy, and this is the first chance I've had to bring it in, so that's the plan for tomorrow. What this could mean, and will any necessary repairs be covered until the 100,000 mile warranty? If there is a repair needed that isn't covered, I definitely don't want to take it to the dealer!

Also, a few days after this light appeared, my gas mileage has been horrible, apparently. I say apparently because the digital mileage range now tops out at 255 when my tank is full; it used to be 336. It costs the same to fill it, and takes the same amount of gas, about 12 gallons. The gauge goes up to above the Full line, but I seem to go through gas so much quicker. Today for example, a trip that normally would cost me maybe $10 in gas, at the most, cost me almost $20. I haven't noticed any leaks, so perhaps this is related to the indicator light?

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Sonata NF (2006-10) :: Engine Malfunction Light Codes P0106 And P0304

2010 Sonata GL Sport at 122,000 kms (75,800 miles)

Engine Malfunction Light came on solid. Using ODBII reader, my Honda mechanic friend read the codes to be

P0106 Current, Pending, Permanent - Faulty Manifold Absolute Pressure sensor
P0304 Pending - Cylinder 4 Misfire Detected

He replaced MAP sensor and Coil pack. But the Engine Light remains on solid. Now its only giving code P0106 which kind of points back to MAP sensor.

Spark plugs has never been replaced so I've been suggesting to replace it anyways proactively.

Questions:
1. What else may be causing the Engine Light?
2. When do Spark Plugs typically get replaced?

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Jeep - Wrangler :: 2006 - Getting Check Engine Light - Electrical Malfunction?

I am having a “Check Engine” light problem on a stock 06, 4 cylinder Jeep Wrangler with manual transmission. A local highly regarded independent mechanic has had it in his shop 3 or 4 times for more than a day each time. On the first visit he replaced a purge solenoid valve and reset the light. It stayed off for more than 400 miles and then relit. He went over it and checked the wires and connections and reset the light. Again it stayed off for some time and then relit. He has checked the Jeep site.

After the last visit he suggested I drive it and see if it would reset itself as it had been doing in the past. It did reset itself twice but it only stayed off for 10 miles the first time and 2 the second. The code indicates an electrical problem and he is now planning to drop the fuel tank and check the wires and sensors there. The next step may be an ECM transplant. This is only an emission system problem and the mechanic says it is OK to drive. We do not have emission inspections here. How important is it to fix the problem?

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Sonata NF (2006-10) :: ESC And Check Engine Light Came On - Stop Lamp Switch Malfunction

I have a 2006 Sonata. My check engine light came on and also my ESC light. My car does not accelerate. It takes literally about 40 seconds to get up to 20 miles an hour. I called the hyundai 800 number and they said there is a recall for a "stop lamp switch malfunction".

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Elantra MD (2010-15) :: Malfunction Light Came On

After having a 2007 Sonata with 172k miles I purchased a 2015 Elantra Sport on Saturday 4.11.15. After 3 day, my malfunction light came on. I called the dealership and I will taking it in on Saturday.

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Elantra HD (2006-10) :: 2008 - Check Engine Light On

2008 Elantra? Only has 17950 miles on it.

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Elantra HD (2006-10) :: Check Engine Light Never Turns On

So I have an issue with my 2004 Elantra GT. I failed inspection because my CEL never turns on. Even when first starting the car. I originally had thought the bulb was burnt out, but it started working fine on its own a couple weeks ago. Then 2 days ago, it stopped working again. So, where should I start in finding the problem? I had a radio installed a couple of years ago, and I have had issues since. Like, my odometer button no longer works, and the radio will occasionally reset when I start the car. So maybe I should remove the dash fascia and see if there are any loose or unplugged wires?

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Elantra HD (2006-10) :: No Acceleration And Jerky - Engine Light Came On

After a road trip (approximately) 80km both ways, I came back to my home area and filled up and got a car wash. Then I went home. About 2 hours after I noticed the car felt very jerky, and had no acceleration. Then big time sputtering. I turned off the car and waited for it to cool down. Once cool, it just kept on cranking. It started at one point and the engine light came on. And now it only cranks.

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Elantra XD (2001-06) :: Malfunction Indicator Light Staying On While Driving

The malfunction indicator light on my 2004 Hyundai Elantra stays on from the time I start the car and stays on while driving. I know that it needs to be taken to have the code read but I was just wondering what this meant and if it is a serious problem.

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Elantra HD (2006-10) :: Check Engine Light At High Elevation?

I just completed my move from Pennsylvania to Denver CO, and my check engine light is lit up (orange) today. It wasn't on for the drive, but came on this morning when I started the car, after a few days in the parking spot.

I heard it might be a gas tank pressure thing, but the light is still on after filling up today. I'm sure it's a result of the thinner air up here, but should I be worried? Does this warrant a trip to a dealership? Or should I just stick it out until my next oil change (in maybe a month or so)?

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Elantra HD (2006-10) :: 2009 - Check Engine Light With 3 Codes

My check engine light popped up the other day and when ran, 3 codes popped up: p2414, p2195, and p0170. From what I could gather it looks to be the O2 sensor is bad. This would be the one on the exhaust manifold, correct?

Also, what would cause the o2 sensor to go bad in the first place? My 09' has roughly 65k miles.

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Elantra HD (2006-10) :: Check Engine Light On / Codes PO700 And PO885

We have Elantra - 4 Door sedan 2006 model. We have not driven much; about 23000 miles. All of a sudden we got Check Engine Light ON. I took the car and got it tested at Pep Boys to get codes. It came out as PO700 and PO885.

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Elantra HD (2006-10) :: Sluggish When Put Into Drive - Engine Light Produces No Code

2008 Elantra 101,000 kms ... no problems ever .. till now

Started when I put the car into reverse from my driveway. I heard a thump but the car continued to reverse as normal. When I put it into drive, it was sluggish, felt like it was stuck in gear other than first. Then the engine light came on.

I pulled it over and shut it off. After a few minutes I started it again and put it in drive. Everything seemed back to normal. Engine light was still on but the vehicle was driving normally. About 20 minutes later, the engine light went out. This was 4 weeks ago.

Last week the vehicle went in to the Dealership for a service and I explained about the incident and the engine light. When I picked the vehicle up they said that there were no stored codes ??? How can that be ?? They checked the plugs and all was good. They said to bring it in right away if the engine light came back on so they could catch the code (what are the odds ... )

Last Saturday (after the service) ... driving along at 80kms when all of a sudden there is a bang and the car lurches forward and continues to drive as normal. I thought at first I might have driven over something in the road. About 2 kms later as I'm slowing down to turn a corner it does it twice (one right after the other) then continues to drive normally. I make a quick U-turn and head for the Dealership. It has been there ever since .. they claim that there are still no codes on the computer, nor can they replicate the problem.

I'm very nervous about taking it back until they resolve the problem. After doing some research it sounds like it could be a few things; solenoid, clutch gear or lock-up torque converter.

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Hyundai - Elantra :: 2006 - Power Loss And Check Engine Light Flashes

My girl friends car is doing something interesting, well it started off the car died while she was driving home from work, so I towed it with my truck home, the alternator had went bad so i changed that, but no here is where the problem comes in that i cant figure out, the car will start and run for about 3 miles than it will die in and out, loose power but not kill the engine and the check engine light flashes, and now the radio does not work at all (at idle or running) and the head lights are dim.i tested the battery, it was with in ranges for cold starting, output while the car is on and a few other thing, i re checked my belts and they are all tight and in the correct alignment ...

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Ford Excursion :: How To Decode Number On Spring

I'm looking at a pair of springs from a donor truck f250/350. The number on the spring is (rpn 0612 2c34 ca). How to decode this? I know it has an overload top spring. I'm looking for a two inch lift over stock springs.

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Accent MC (2006-11) :: Malfunction Indicator Light Illuminated

I have a 2006 manual Hyundai accent with 82,000 kms. In the last couple of days the mil has illuminated so i took it to a mechanic who put it on the computer which he says it could be sucking air or bad fuel or many other things. He did cancel the light which stayed out for about 70 kms and its back on its not flashing just illuminated. Can this do any damage to the motor if still driving.

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Sonata NF (2006-10) :: Malfunction Indicator Light (MIL) Does Not Work?

I am trying to diagnosis a new issue on my 2006 V6 Sonata . I plugged in my code scanner which gave back MIL Status as ON, but there was no Check Engine - Malfunction Indicator Light (MIL) lit up on the instrument cluster. It also showed that the EVAP, CAT and O2S was "Not Ready". When I checked the codes, I had P0031, P0037, P0051 and P0057, all of which are tied to Low Heater Circuits in the O2 sensors. When I checked the cables under the hood, the lower O2 sensor cable closest to the firewall was stuck onto exhaust pipe. It easily pulled free but I tried clearing the codes but the same 4 codes remained. I checked the resistance across the heater control and ground circuit, all 4 O2 sensors were around 10 ohms.

There seems to be several issues:

1) Why doesn't the instrument cluster register the MIL status as ON and display this Check Engine Light?
2) Why are the EVAP, CAT and O2 "Not Ready", I've heard that these are sometimes tied to disconnecting the battery. I've put almost 3K miles on the vehicle since the battery change.
3) OBD Codes P0031, P0037, P0051, P0057, I would expect all O2 sensors to fail at once, is there a fuse or other control that needs to be replaced or reset?

I am trying to get everything ready for emissions testing on this recently purchased 06 Sonata and I am thinking these issues will cause it to fail.

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Lexus GS 2006-11 :: 2009 GS350 - Malfunction Indicator Light On?

I have a 2009 GS 350 and I attempted to start it today but when I tried to start it up it wouldn't fire up as all the ignition lights kept coming on and I pressed the button repeatedly but couldn't start. After a few attempts I noticed the brake was still down from pressing it while I push the start button but the car still won't start. After a while I noticed none of the lights won't come on so I assume its the battery but then I notice the warning light that came on and in the owners manual they call it the Malfunction indicator Light. It states a malfunction in either the emission control, engine control, throttle control or automatic control systems. It says call the dealer if this occurs which I will do tomorrow.

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Passat (B6) :: Engine Malfunction Light Came On

Just got the car back from dealer due to Engine Malfunction Light came on. They said they updated some software. Problem on the intake or something like that. But the display on the gear number disappeared. I phoned the dealer and they said that it's normal and cannot be fixed because of the update. It has 33km and so far no problems.

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