Passat (B5) :: Check Engine Light Turns On Then Off Every 3 - 4 Days
Aug 30, 2009
I have a 2005 passat 1.8T non 4-motion and the check engine light turns on with no noticeable performance loss or idle fluctuation then will turn off in 3-4 days only to turn back on in another 3-4 days. My guess is something with the fuel, or moisture in the tank or even a stupid gas cap problem but im just shooting my question out there hoping another passat driver has experienced this same ridiculous problem.
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Four days after buying my 2010 gti, the check engine light appeared for the first time. I believe thats VW's way of saying, 'Welcome back to the family.
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I just got back from a 6 day trip and when I turned my 2004 Prius back on I'm getting a check engine light. We did get a fair amount of snow that I had to clean off.
The car runs and starts fine so I'm thinking it is just a bug in the computer after sleeping in the snow for too long.
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We've had the Check Engine Light go on and off every few days for a YEAR now. Mechanic can't diagnose or fix. Code always returns as Random Misfire. Have tried reprogramming computer twice, flushed the engine once. Notice that it goes away with lots of highway driving but always comes back when we are in town which is most of the time. Rarely get on the highway. Commute is 5-7 miles. Manual transmission. Our repair guys are stumped. Car runs just fine! No problems apparent other than the light. They say the next thing we should try is replacing the ignition coil. Nothing has yet worked and this sounds expensive... Could the Check Engine Light itself be faulty?
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I recently became the proud owner of a 2004 Camry, 2.4L, AT. Since gas(petrol) prices are touching the sky in this part of the world, I got it converted to CNG(Natural gas) promptly. After 3 days of smooth driving on natural gas, I got the dreaded Check Engine Light. The error code being thrown up is P1135 and upon reset is comes back again almost instantly.
Since this happened after 3 days of running smoothly on CNG, the kit installer is feigning ignorance. Moreover, the light stays on even on petrol mode. None of the original fittings were disturbed by the CNG installer but one of the oxygen sensor wires was stripped(not cut) and attached with another wire which provides input to the CNG kit. This wire was promptly disconnected by the installer to prove that it has nothing to do with the CNG installation, and the CEL still comes on.
While I do understand that the o2 sensor can go bad anytime but this is too much of a co-incidence. On the other hand, the car did run fine for 3 days after the installation so that should rule out the CNG kit as a possible culprit. I don't want to go about randomly changing the o2 sensor, etc.
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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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I run my 92 celica for a good 30 miles and check engine light comes on but after driving another 20-25 miles it turns off. I red the code it was the Egr (code 71) I took off egr valve and cleaned it out idk if its bad, how to test the valve?
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I have a Toyota camry 2004. My engine check lights goes on and automatically turns off after some time. There is no specific pattern on when it goes on or off. I got it checked for the OBD codes and both the times the mechanic said the codes read a bad O2 sensor on Bank 1.
If the O2 sensor is really bad isn't the light supposed to be on all the time. I wonder it might be something else that is turning my engine lights on.
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So I start my car up a day ago and the check engine light turns on. So my dad and I plugged in our computer and it flips car code P3081. I did another search on google and a mk4 site popped up and said something about not reaching operating temp. So i guess my question is what would cause this to go off?
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Our second car is a 2007 Accent, 125KM's (70 miles). Today the engine light came on, I drove it very slowly to my indy mechanic and she is not throwing any codes. Engine temp was fine and she just had an oil change.
Engine light turned itself off so I drive it home and on the way it's all good then suddenly .... she dies. She starts again and I get home, i idle in the driveway and she stays on but a little rough as she is sitting at 800RPM, is this right or a little low?
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I have a Honda Accord that has a very strange kind of failure. I've taken it to two mechanics - both fixed "something" - but I'm still without a car.
99 Honda Accord LX202,019 Miles
My check engine light is on and one time while driving down the road my car turns off. I need to make a road trip so I go see Mechanic 1.
Mechanic 1 - Check engine light had been on and his machine tells him the O2 sensors need to be replaced. We replace both. Light goes off. When asked about the 'spontaneous shutoff' - said it was a fluke and probably no big deal. He can't see anything other than what the computer tells him to replace.
Instrument panel currently shows no lights on. Everything works normally. I drive 1500 miles back to Wi and right as I get there....
Case 1 - I am driving down the street (residential, freeway, whatever) going any speed and the instrument panel suddenly loses all power. Speedometer drops to 0. Odometer drops to 0. The cabin (radio, clock) remain on and undisturbed. Engine is completely unresponsive to depressing the pedal and seems to be completely disengaged. The car is hard to steer but can be angled off the road. (but you can still hear your music....hooray...as you try to not get killed dodging off the side of the road)
Case 2 - On the side of the road/parking lot and the car will not turn on. Seems like it is about to start, but then dies before completing turning over. You wait 15 minutes. Then the car will actually turn over a bit more, but still not complete a start.
Case 3 - As I start the car I press the gas and rev the engine up to 4K RPMs for 4 seconds. The car then remains on. I drive for as long as it will go before Case 1 happens again.
While in WI I take it to a mechanic 2.
Mechanic 2 - Runs a test and believes there is a failure in the ignition assembly. Replaces 1 part that spans 3 different parts because he believes its cheaper to do that than to have him go all the way in there to get the 1 that he thinks is bad.
I drive the car 1400 back to AZ and Case 2 happens when we stop to get supplies. I perform case 3, the car starts and we make it back to California alive.
I try to drive the car around locally after getting back but cases 1-3 happen every other time I drive it.
Case X - The car sat idle for a few weeks as I thought it was "not safe to drive." Power locks on the car start to fail. No longer can get into the car without putting a key in a door and only that door will open. Car now has no power.
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I own a 2000 Ford F-250 5.4 Automatic. It tows my 5th wheel trailer very good. On our last trip it suddenly experienced the "check engine light" effect.
The light turns on randomly and either goes of after a couple of seconds or it doesn't go on when I restart the engine.It is mainly annoying, but when in towing it really hurts, because the engine switches into an emergency mode and stalls.
I read that the engine uses only 4 cylinders. I read many articles on the web about that light, but I couldn't find a solution. The thing is I brought the car to several repair shops but none read a code from the computer.
I think it's not a real fault but a misreading or maybe a cable that's grounding? The problem is, I can't bring the car to a repair shop, because there is nothing wrong with the car. How can I find the source of the problem?
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On my 2002 F250 7.3 I kept getting a check engine light when I pulled my 5th wheel uphill, I took it to a shop and they told me my HPOP needed replaced. I bought a new pump and installed it. Now my check engine light comes on and turns off during normal driving conditions. I do not have a code yet but hoping there is some idea on what might have happened.
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I have a 2006 Avalon and for the last 2 weeks the VSC and Check engine lights have been coming on and stay on for 2 days and goes off.
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And it went off this morning. Service technician says it might be that the fuel cap became dirty and the light came on because of pressure in gas tank. Have the cap cleaned.
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I have a 2000 1.8t and I was on my way home from work, sitting at a traffic light and my rpms went up to 1200-1500 and then my check engine light came on.
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My check engine light has been on for 3 days i get my appointment with VW and then today i start it up and it goes off. Also, having a problem with very loud squeaking coming from the front bottom left of the engine ?
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I was running late the other day for work so I had to jump in my car and go with out letting it run first for a minute or two and while on the highway the engine light came on and it has not turned off yet. I am getting my oil changed at my local shop on tuesday.
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Okay, I bought this car used and the previous owner apparently didn't maintain it. So I spent the last couple months having a new (used) engine installed. All said it's been in the shop longer (by twice) than I've been driving it. On the way home from the mechanic the check engine light came on.
If I keep changing my oil every 2000 miles will it sludge again? Dealer recommended every 1500 to 2000 miles! I've spent 15k on this car so far, and driven it about 2k miles......
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Got in the car this morning and started it up. Other than it being -6 degrees out, nothing unusual. The damn check engine light came on. Nothing seemed unusual driving it. Will be checking it tomorrow.
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I have a 2001.5 passat and the check engine light turned on. It just so happens that whenever i put gas in the car.... and try to start it back up, it won't start! it takes about 3 or 4 tries for it to start up.
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