Accent MC (2006-11) :: Code P0496 - Large EVAP System Detected

2009, 89K miles ... As title states, check engine light came on today and after the codes were pulled, I got P0496. It was referred to as "Large EVAP system detected". I'm guessing this may have something to do with the fuel vapor management system but not sure what's a sure bet to check.

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Accent MC (2006-11) :: 2010 - Tachometer Reading 0 And Rough Idle / Hard To Start

I have a 2010 2-door accent, automatic. Today after driving about 45 minutes (engine warm), I stopped the car. When I tried to start again, it wouldn't turn over. Turned over on the third try; tachometer read at 0. Managed to drive home (35 miles), and the car did shift from gear to gear, but engine sounds tinny on idle. Turned off car at home and turned back on, still rough start and tinny idle but tachometer appears to be working again. No check engine light. At a loss; I've heard that there are a couple of crankshaft sensors that could do this, but I really don't know. Car is regularly serviced and has new belts (belts look fine), new strut plates, new tranny fluid, all about 6 weeks ago.

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Accent MC (2006-11) :: 2009 - Super Rough Idle / CEL Came On

I have a 2009 Accent and after about 20 minutes of driving it started running really rough and my check engine light came on. It's worse at an idle (feels like it's going to stall out) but isn't quite as bad when I rev it. My first thought is water in the gas tank since we've had a lot of rain for the past week or so and I filled it up a day or two ago.

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Accent MC (2006-11) :: 2010 - Code P0303 And Rough Idle After Filling Up

I just bought a 2010 Accent for my daughter and this was the 2nd time I filled it up. I realize now I should not have topped it off all the way but I did. The tank was probably bone dry when I filled it up as well. Within 5 miles after I filled it up, it started running rough and the check engine light came on. I stopped it and checked around under the hood. Checked to make sure the gas cap was tight. I drove it again and it appeared to run fine. I stopped by an Autozone and had the code checked. It was a misfire code for cylinder 3.

Drove it home (10 miles) and parked it. I took the battery terminal off and cleared the CEL. When my wife drove it a few minutes later, the CEL came on again and it started running rough. Had the code checked again and the cylinder 3 code came back. The guy at Autozone said over-filling the tank when it was empty probably caused too much pressure on the fuel going into cylinder 3 and that it should correct itself in the next few days. I drove it 20 miles to work today without any problems. It seemed like it had to be related to filling up the tank since it happened a few minutes later.

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Hyundai - Accent :: 2009 - Hard To Start And Keep The Car Running

I have a 2009 Hyundai Accent. In the past 2 weeks, immediately after pumping gas into my car, when I start my car, its difficult to start my car and keep it running. For at least 3-4 minutes after putting gas into my tank, I have to keep my foot on the gas pedal to keep my car running. Sometimes, it will shut off. Then, after a few minutes, all is good and I can drive the car without an issue. What's going on?

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Accent MC (2006-11) :: Hard Starting - Crank Position Sensor

2007 Accent GLS, US-market, Automatic, 140k miles

This is my wife's car. She called me from the side of the road while I was on a job out of town. The car had stalled while driving. She was able to re-start the car with check-engine lamp showing and took the car directly to a garage. It ran normally during that trip.

The garage diagnosed the problem as a failed crankshaft position sensor. They cleared all codes from the ECU without telling us what they were. My wife told them I would fix it when I got home. She drove the car home, parked it there and used my car until I got back.

When I got home, I replaced the crank position sensor with a new beck-arnley part. It was a poor fit, but it did go in. Now roughly every other start takes a few extra cranks. It always starts. It does not stall once started. No check-engine light since the initial episode. I just don't like the random hard starts.

Normal fuel consumption & power output. All other maintenance is up to date.

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Camry :: 2009 Hard Time Starting And Running Rough

My moms 09 camry has a hard time starting and runs rough. I found out that when my father went to get an oil change, they put in 5W-30. The engine cap on the engine says 0W-20 or 5W-20. The car is at 70K and it has never had any issues, always ran smoothly, always started... until the last oil change. I have looked through the all the service logs and it seems that the last 3 services, they also used 5W-30 oil in the car.

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Accent MC (2006-11) :: Running Very Rough / Won't Pass 3000 RPM

I have a 2008 Accent 1.6L automatic that is running very rough when it accelerates. First of all there was some engine check light, I got the codes and it was a Cylinder misfire. Then I checked the following:

1.- Spark plugs (replaced them same NGK but I didn't gaped them, same result)

2.- Fuel injectors (removed them, cleaned them and installed in different order, same result)

3.- IGN coils (measure resistance, swap them in different places, same result)

4.- Checked most of the sensors including TPS, Crankshaft PS, MAF, Camshaft PS and nothing.

5.- I checked for any type of vacuum leak and I couldn't find one

After all that troubleshooting I cleaned the codes, started the car again and I have the same problem with no check engine lights on except that sometimes I would get a "running rich" code.

I also noticed that the air intake is LOUD like a performance air intake, is that something normal on the accent? (I checked the air filter and its not clogged FYI). I could only think of:

Gap spark plugs to .035
check timing belt
check fuel filter (I don't think so)

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Jeep - Cherokee :: 2009 - Engine Is Running Rough / CEL Code Is P0152

I have a 2009 Jeep Grand Cherokee. Engine is running rough. Check engine light comes on. Code is P0152. The code is defined as high voltage on the front o2 sensor (bank 2). I hooked up the scanner again and checked the voltages. Both O2 sensors on bank 2 are never making it above 0.1V. That seems to contradict what the DTC is telling me. Is that somehow related to the fact that it is not going into closed loop? I'm a little confused.

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Golf IV / Jetta IV :: 2000 - P1296 Code / Hard Start And Rough Idle

Having trouble with my '00 Jetta 2.0 A/T w/ 98K miles. Had the water pump replaced @ a year ago (for the 2nd time, the 1st replacement died after <15K miles.) The car has had issues with rough idle when started, especially with a cold engine, since before the 2nd water pump. I've replaced the coil pack, thermostat, and coolant temperature sensor in the recent past in addition to the water pump & timing belt.

The gas mileage sucks, and when it's idling rough it doesn't "idle up", & will stall if the gas pedal is pressed with 30 secs. of starting. Otherwise it seems to run fine. The coolant temp. sensor was replaced after a CEL indicating it was bad. The CEL went off after it was replaced, but it's now throwing a P1296 Cooling System Malfunction. I have noticed the temperature gauge fluctuates instead of staying around the "middle" since the 2nd water pump replacement, and will run "colder" in colder weather. Since spring is here, the temp. gauge stays around "normal", or the middle.

Some research online says thermostat OR coolant temperature sensor. Since the gauge registers normal now, I'm leaning towards a bad temp. sensor...?

Does the hard start/rough idle and the cooling system malfunction CEL could be related?

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Jeep - Wrangler :: 2004 - Hard Start - Rough Idle - Getting P0505 Code?

My 2004 Rubicon has been having some idling issues. It idles kind of rough (+- 200 RPM) and is hard to start. I tried to start it recently and after 4 cranks, it started then the CEL came on, and has been on ever since. I have recently moved from Washington state to Houston Texas, and the problem starterd here in Texas. I checked the code and am getting a P0505 code. I had a mechanic replace the IAC valve, Checked for vacuum leaks, and cleaned the throttle body. The mechanic says the output from the main computer appears to have burned out, and needs to replace the main computer(for $1000). The mechanic can clear the CEL, but after turning the jeep off then back on it reappears. The mechanic says he verified the computer was the problem by installing a known good computer and it cleared the problem. Does this sound right to you? If my computer is bad, wouldn't my whole operation be affected?

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Accent MC (2006-11) :: 2007 Running Rough / Check Engine Light Came On

The check engine light came on after cleaning the engine and the engine runs rough. Where to look. 2007 Hyundai Accord.

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Accent MC (2006-11) :: Rough Idle At Stops

My 2011 Hyundai Accent 1.6 runs fantastic and has since I purchased it three year's ago until two weeks ago when my domestic partners friend changed the spark plugs, oil, air filter and stuff so I could go on a short trip and back. About 200 miles into it I pulled into a rest stop and noticed it was rough before I put it in park. As soon as I put it in reverse it was running rough and sounded like it was going to die. Forty miles later the check engine light was on and it was running terrible. A parts store recommended different spark plugs. A nice man who was there overheard the conversation and offered to put them in for me since I know nothing about doing. He said he gapped the spark plugs at 0.40? When I started it it ran like a dream until about 75 miles later and it began doing it again but the light never came on. It is doing the same thing which is a rough idle when stopped but it smooths out when I put it in park.

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Ford 6.0L Power Stroke Diesel :: Intermittently Running Rough At Idle - Code P0269

So my truck is intermittently running rough at idle for the most part and sometimes slightly loses a little power while driving down the roads. Seems to run worse as it warms up. When it runs rough it sounds like a cylinder is missing. The truck is throwing code P0269 for Cylinder 3 Contribution/Balance. Smoking isn't horrible coming out of exhaust but it's there and it comes out at a constant rate. The injector has been replaced by the previous owner recently. It has an egr delete, new turbo, ficm, ficm harness, HPOP, and stand pipes.

When I put the starter solenoid wire to the battery you can hear the engine skip. I did a compression test on cylinder 3, put oil in the cylinder and did the test again to find that I still didn't have compression. Assuming that this was an issue in the head I had my doubts that it was a bent valve and it could have been a bent pushrod.

Sure enough I found the intake pushrod for cylinder 3 was bent slightly so I replaced the pushrod. I started the truck again and seemed fine at first but just like before it started to run worse as it warmed up.

I was able to drive it to the gas station real quick to fill it up on fuel and drove back home which is a short drive, but the truck was running worse and worse and it eventually died on me. I attempted to start and had to jump start from my other truck and the 6.0 would not start. I ended up frying the starter trying to start it so I'm taking a break from it for now.... Ended up pushing the truck home.

The only thing I can figure is that I don't have oil pressure in the oil rail which is why it died but I don't understand why the truck still ran rough and pulled up with the same P0269 code....

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Ford F-150 (2004-2008) :: Rough Idle And Hard Miss Under Load - CEL Code P0306

2005 f150 5.4.

I have a slightly rough idle and can feel a miss at 1600 to 2000 RPM. Sometimes running about 65 MPH up a slight grade I can slowly press the gas pedal and the engine will begin to miss much worse, causing the truck to shake pretty bad. When it gets this bad it will slowly flash the CEL and I get a P0306 code (Cyl 6 missfire).

The truck has 148000 Miles on it and the plugs were replaced at approx 120000 by the dealer.

In the last week I have replaced the plug in cylinder 6 (looked ok) and have replaced all the COP's along with the fuel filter and the injector on #6.

I haven't been able to get it flash the CEL light or throw a code since replacing the COPs though and I am at a loss at to what to try next.

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Accent MC (2006-11) :: Suddenly Started Running Real Jerky, Rough / Misfiring

Our Accent has just about 86k on it now, back in November it suddenly started running real jerky/rough, misfiring kinda thing. So I was able to drive it to my local repair shop and they found a bad coil pack on #3, so they replaced that and put in new plugs while they were doing it.

Just Saturday we were shopping about 20 miles from home and cranked it up to go home and started doing it again, pretty much identical symptoms, runs out normal at certain RPMs so I knew it was probably same thing...I was able to get it home and then took it in this morning and sure enough now #1 is shot. So they are replacing that. They want about 30$ more per coil then I can order them for myself online so I didn't want to scarf up the money for the other 2 that are still original.

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Accent MC (2006-11) :: Rough Idle But Fine When Air Conditioner Off?

I've had my 2010 Accent for about 9 months. It's got about 63K miles on it. Serviced regularly, no issues there. Yesterday while coming home from a road trip....6 hours there, heavy driving while in town, 6 hours back 2 days later, the check engine light came on the dash. I then noticed that the car was idling very rough. When I put it in gear after starting, I can visibly see the car the shake. Having major problems accelerating, I have to mash the gas to the floor to make it go. Shutting off the air conditioner seems to work a bit, but not totally.

I should note that I live in the South East US, it was over 95 degrees when we left town and the destination was over 100 the entire time we were there. I was told this could be vapor lock, but am not sure about what to do to clear that when the temps won't drop around here for some time. I took it to AutoZone this morning to have them read the codes on the check engine light and was told that their code reader was incompatible with my car.

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Ford 6.0L Power Stroke Diesel :: 2006 - Rough Idle / Dies Warm And Long Crank

My 06 currently has 296k miles. 3 years ago I put a lot into her. Dummy plugs, stand pipes, STC, hg,studs, oil cooler, bpd egr cooler. Cleaned spool valves and fresh o rings in injectors. (Alliant) plus a lot more that I can't remember. Ran very very well after all that.

Fast forward to a few weeks ago. Driving down road and truck died as I let off pedal to slow down for turn onto my road. Took about 7-8 tries to get started back up. Icp was reading in the 300's until it finally started. Made it home. Shut it off. And started right back up.

Few days later truck died again same way. Let off to make a turn. Several attempts to restart icp was in the 300's again. Once it started building 420ish it sounded like it was firing a few injectors and slowly started running. The next time it happened the same way but when I got it back running I eased to my inlaws like less than a mile. When I got to their house and pulled in and went to back up to turn around the display on dash said low oil pressure and started missing a little. So once I got home started researching.

A few days ago I pulled out the low pressure oil regulator to check it out. It was clean but did have some mild scaring. I used some fine scotch rite and smooth it out a a little. It moved freely in the bore so I put it back together. Then pulled the oil filter cap off to check the little black valve. I noticed the filter was not dripping with oil like normally when I change the oil. And yes it's motor craft filter and cap. It checked out ok. Press it down and turned engine over and it filled and held. Let off of it and it drained.

Next I air checked the high pressure side. Applied air and waited until I could hear the air (IPR still open) then closed the IPR. Couldn't hear any leaks. Just a very very minor his and couldn't pin point where. So I went ahead and went to dealer and got new stand pipes and plugs. And ordered new print set for injectors. Pulled injectors and didn't see any smoking guns. Replaced prongs, stand pipe and dummy plugs and put it all back together. Cleaned the injector cups and hold down bolt holes. Torqued injectors to spec.

Got it all done and rotate motor by wire next to heater blower to assist prime system. Tried to start it up and it took two tries but fired right up and sounded smooth as hell. After it idled a few minutes I saw a haze from exhaust. It smelt just like fuel. A few minutes later started idle a little rough. Gave it some go pedel and it was rougher at about 1600-1800rpms and couldn't feel it above 2k. Got my laptop out with AE and done balance test. Did not show anything. No codes either.

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Accent MC (2006-11) :: CEL Flashing / Rough Idle - Cylinder 1 Misfire

I did not get the specific cel code but its what the guy told me at autozone.

Long story short. Washed engine, let sit for about 30 mins. Car started with flashing CEL and was "puttering" and very rough idle. Drove home took intake off and replace with stock, took spark plugs out and they were not wet. Then let it sit for about 15 mins. Started just fine. No CEL at all.

The accent saved the CEL and the guy told me that Cylinder 1 had a misfire.

My question is, should I do anything now even though the car seems to be running ok?

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