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Volkswagen Jetta Starting and Stalling Issues



  • bpeeblesbpeebles Posts: 4,085
    The fact that adding "fuel system cleaner" resulted in such a big difference in the way your 2002 2.0L runs indicates that your fuel-injectors may have been getting plugged up. (Just imagine how many gallons of gasoline have passed thru those tiny pinholes.)

    It would not hurt to try another treatment to see if you get any more improvement.

    Also, did you clean the snowscreen? (I clean mine annually and it is pretty plugged each time)
  • I have a 2002 VW Jetta. Whenever I slow down e.g. approach traffic lights, my engine just completely cuts out. It starts again with no problem. I’ve had the car for about 10 years. Lately, this used to happen about once a month but it now happens more often. The other day it cut out six times in the space of 10 minutes! Can any mechanics or people who know about cars out there give me some suggestions as to what the problem might be?

    My uncle has driven the car on road trips from Connecticut to Boston without any problems and has never faced this issue, it only happens to me. Could I be slamming on the brakes too abruptly or confusing the car?
  • bpeeblesbpeebles Posts: 4,085
    Without physically inspecting the car, diagnosis is difficult.

    MAF or ECT may be suspect.

    MAF = Mass AirFlow sensor
    ECT = Engine Coolant Temperature sensor.
  • Hi there, me and my hubby worked on our jetta for almost a week now trying to figure out why it was overheating.First we replaced some hoses/connectors, then the heater core, then the thermostat, and last but not least the water pump... which was a total b***h to get to! We did remove the timing belt and made sure not to move any pulleys out of place to knock the timing off and after successfully replacing the water pump, we put it all back together to only discover that now the car wont even turn over! What else could have possilby went wrong(was going throught our heads/thoughts of blowing it up!) Well needless to say we called our mechanic told him what we had repaired and he says we bent the valves because of the possibility the timing was knocked off and tryin to crank the car trashed the engine...but doesnt make sense because the pulleys and crankshaft arent even turning when we try to crank the car... can anyone give us some advice or possibly know any other reason the car isnt starting up? please we need your help!
  • bpeeblesbpeebles Posts: 4,085
    Replacing waterpump should be INCLUDED when the TimingBelt (TB) is replaced. (I personally use waterpump with BRASS impeller...not the cheap plastic ones) Also replace ALL the idler-pullies and tensionor-pullies.

    I agree with the mechanic... It is very likely that the TB is off by a tooth which can really mess up the engine. (bent valves...etc) You may get lucky and after re-timing the TB, your engine will be OK.

    I am concerned that you suggest that the pullies and TB are not even moving when you crank the engine... this is IMPOSSIBLE!! (The crankshaft pulley *is* the engine)

    As for the 'overheating' issue - did you perform a bleeddown test? This would tell you the condition of the head-gaskets. Leaking head-gasket can cause overheating.
  • Wow, you do have some good pointers there and me and my hubby did consider replacing some other parts but not until be figure out if the engine itself is worth saving. We did have a mobile machanic come look at it yesterday and he was stumped after adjusting the timing a little, checking the compression (which was good) and still couldnt get the car to start. We did have some fuel hoses that were worn but were able to salvage enought to try and see if that was the problem but still no luck.. Mechanic says the same thing we did, the car just isnt getting power like it should. Just dont know what the factor to this is! We've checked the spark wires/plugs, battery, alternator, starter,distributor cap, all fuses, relays, dont know what else to check.... were running out of ideas annd unfortunately taking it to a VW speacialist is just not in our budget right now. My husband messes with it everyday trying new things but nothing has happened yet..thanks for your help :)
  • Its been going off everytime we try to start up the car, even though the car doesnt start up the alarm goes off every 3 our of 5 times you try to start up the car... this is really odd and we dont know how to get the alarm to cut off permanently so we can work on the car! IF any knows how to locate the alram system on my car please let me know thanks :)
  • bpeeblesbpeebles Posts: 4,085
    If fuel-pump is not running, engine will behave as you mention. I dont know how the fuel-pump would suddenly quit but there is a "fuel pump relay" and a fuse.

    When you initially turn the key to ON (before cranking engine) you should hear the fuel-pump run for a few seconds.. .it is mounted INSIDE the gastank and sounds sorta like a 'rumble' near the rear of the vehicle.
  • thanks again! i will have him check that, oh yeah how about the ECU? would this cause the car to not turn over if its no good?
  • bpeeblesbpeebles Posts: 4,085
    Certainly the ECU (Engine Control Unit) can be your culprit.... but how in the world would it go bad all by itself whilst the waterpump was replaced?
  • OK - so you think this is a no air or no fuel problem, most likely no fuel... After driving diesels for years, I agree. It is an intermittent problem and the dealer cannot get it to repeat - mostly because they will not repeat the scenario I have told them to use enough times to get it to happen. How do I get the dealer to move forward and FIX this?? They say they "cannot put any more time into it" and refuse to "throw parts at a car" but this is dangerous. If the hesitation occurs mid-shift, the car stalls, and has stalled in an intersection twice. If it hesitates once in gear, because it is a manual trans, it just hiccups and keeps going. I am being stonewalled by the dealer and by VW USA. Need help!!
  • bpeeblesbpeebles Posts: 4,085
    edited February 2012
    Your dealer is a bonehead! There is a gizmo they can connect to the computer-port under the dash which will "record" virtually all the sensors in real-time. Then they can give the vehicle back to you with the "recorder" installed.

    You drive the vehicle for a week or so and get the problem to occor. (you can push a button on the gizmo to "mark" when the problem happened.)

    The dealership simply uploads the data from the "recodrer" to the factory reps and they can diagnose EXACTLY what happened....and propose a proper repair action for the dealership to take.

    I have done similar things using my laptop computer connected to the port under the dash of several VWs.... Anyone can do it with any laptop and this software
  • There is a recall on 2010 Jetta TDI's to stabilize the #2 injector fuel line due to resonant frequency vibration problem with fuel pump, as I understand it. This was a potential fire hazard, so I hope the effected owners on this forum are having it done. I had this recall performed and voila, problem resolved. That is, the hiccups are now greatly less noticeable ('not completely gone). The recall involved inspecting the fuel line(s) for apparent vibration damage and installing a dampener on the fuel line. Of course, the dealership told me this recall had nothing to do with a "hesitation", but it certainly did.

    I'm really disappointed that the recall only dampened the coinciding frequency problem, rather than eliminating it, and that VW didn't address it sooner. However, I'm very happy to have it essentially resolved.
  • I had the recall done, but the hesitation continues - no improvement.
    My daughter has the same car, same problem!
    Really scary when it happens during a shift and car stalls in an intersection!
    Dealer totally unhelpful - "We cannot put any more time into this.' "We cannot throw parts at a car (because VW will not reimburse us for the repair)." "The car is operating according to specifications."
    Dealer had car for 3 weeks, did not get the problem to repeat because they did not do what I told them would get the problem to repeat.
    I am totally frustrated and ticked off at being stonewalled by VW.
  • The problem I see is very common through looking online. What seems to be uncommon is the actual problem. It seems that even VW mechanics don't have a clue as to the real problem. Some people say it happens when it is hot, others when it is too cold and others, well it just happens. This is where we have the issue. Our Jetta is just not starting many times. It is ongoing, expensive and a real frustration to go through and still have nobody able to solve the problem. Sure VW is making a killing on all of the parts being replaced that are not causing the problem but they are still nt discussing what the issue is. Maybe it will take a stall in an intersection and a family to meet tragedy before VW will be sued in a large enough judgement that will make them take it seriously enough. I say do not buy VW and do not risk the lives of your family just to drive these death trap. If it stalls on a train track or a busy intersection, maybe a busy highway or who knows where else, are you willing to risk your life and the lives of your passengers so they can continue to make profits ahead of safety? I think not. Stay away from VW and they will either find a solution to make sure the cars they build and sell are safeor they will go bankrupt. Either way, safety will become more important.

    James Cousineau
  • drapepddrapepd Posts: 1
    edited March 2012
    I own a 2006 Volkswagen Jetta TDI diesel (BRM engine code). This car has died on me 4 times now. It always happens when the engine gets to normal operating temperature and when I come to a stop. It does not happen any other time. By the way it acts I assumed it was some sort of fuel problem. I do not believe the fuel is gelling due to the mild weather. Code reader displays "NO CODES". I changed the fuel filter. Then the fuel pump relay, and today I installed a new fuel pump. I started the car and let it warm up for about 20 minutes. I drove it down the road, slowed to a stop and it died. It will start back up after the engine cools down some. This car was at our local Volkswagen dealership for 3 days. Even after they consulted with VW techs they couldn't figure it out. Like I said, it will start back up after 15 or 20 minutes.
    Does anyone have a clue to what is going on with my car? Please HELP!!!
  • josevijosevi Posts: 1
    It very well could be the Engine speed sensor. I had problems with my 02 that sound like yours. That´s what it was. Not too expensive. Good luck.
  • I have an 06 tdi doing the samething, had in and checked out and nothing
    I told the dealer you no about the problem and if something bad happens I will own your dealership and walked with the whole waiting room sitting there with mouths wide open.

  • bunson14bunson14 Posts: 1
    I have a 2012 TDI Sportwagen and it has just started with the stalling for no apparent reason. It lurches on acceleration, the battery light flickers and then it stalls. It will start right up again, but it is scary, to say the least.

    For a much longer period, the car will shake like it is going to stall when I come to a stop. It never has, but it feels like it is choking for air or fuel. I drove a 1995 E300D Benz from new until 2010 and put 300K+ miles on it and it never stalled, so this is frustrating. Scared to put my daughter in the car now. My local dealer won't return my calls either. Frustrating.
  • Hey, after 30K miles in 18 months with my 2010 TDI/manual AND 18 months and 40K on my daughter's identical car, and MULTIPLE complaints to dealer about both cars hesitating (usually on a cold start, usually at less than 30 mph) and mine stalling in intersections (dangerous), VW denying there was an issue (no "codes" = no problem), I FINALLY got it to act up with a VW employee onboard. VW USA has finally "acknowledged there is a problem" but VW tells me "there is no fix" for it right now, maybe in a few months! When I asked what it was that is causing the hesitation/stalling (rumor has it it's the high pressure fuel pump), the employee was either stonewalled by VW, or is stonewalling me - he "did not know". WHAT?? Conversation with another staff member indicated "this is an expensive fix, like $7000"!!
  • carimaricarimari Posts: 8
    Yes! I have the same problem with the car stalling. Did you find out what the problem was?
  • I just had this happen today. I had pulled out a parking lot and when I stopped at a stop sign, the car just died and the battery light blinked. It wouldn't restart right away. Luckily after 2 minutes, it came back up (scary b/c it is super hot out and I have two toddlers). The dealership isn't calling me back and my car has less then 2,000 miles on it. I have a 2012 Sportwagen TDI
  • i have the exact same problem. i have a 98 jetta gls and it runs great for a while, then just dies. i let it sit forsometimes 10, 20 min or up to an hour and it starts right up. i replaced the cap rotor, plugs, fuel pump and filter, still same problem :confuse: :mad:
  • i have a 98 jetta gls and it runs great for a while, then just dies. i let it sit for sometimes 10, 20 min or up to an hour and it starts right up. i replaced the cap rotor, plugs, fuel pump and filter, still same problem. like something heats up the car dies, i let it sit and cool down and it starts right up like nothing happened. no light or codes come up. me or my mechanics have no clue :confuse:
  • Volkswagen is all set on entering the used car business in the country which is budding on the account of people upgrading their cars within 5 years. The company will be offering cars from other makers too at its dealerships. Volkswagen will provide a warranty as well as a financial facility to the buyers. The financial arm of the company, Volkswagen Financial Service will be stepping for support on financial front.
  • I wish I could tell you what was wrong with my car - they still don't know. I took the car to two dealerships. The first dealership said they had no idea what was wrong and everything looked fine. Since I paid for a rental I picked up my car, the second dealership gave me a "rental" but then I was charged over $300 to replace a battery and change three light bulbs on my car. So I am not sure if i needed a battery or not - but I live in AZ so thought it couldn't hurt.. anyway.. it hasn't happened since.. but I know it will.. I just pray my kids aren't in the car. Good luck!
  • Something very similar just happened to me while driving a 2010 Jetta LTD. The check battery light came on for a few seconds, then the car stalled.

    I called the service dept right away (the car is still under warranty) and was told just to restart the car. They said not to bring it in for service unless it happens again. But there was no reason whatsoever for the car to stall. I was just fortunate that I was in a parking lot when it happened. Is there a way to report this problem to Volkswagen corporate, rather than the local service department? I checked the NHTSA website, but couldn't find anything there. But we should find a way of submitting these problems in the aggregate to both VW and the NHTSA.
  • Hi Chris.. You can actually call the Volkswagen Customer Care department at 1-800-822-8987 and report the issue. and actually my car stalled again on Friday. Someone accidently hit my car - one tiny scratch - waited for the police with the car running as I live in AZ it took about one hour for the police to investigate as the other drive was impaired. When the officer said I could go- I started to drive away and my car stalled. I managed to make it to the scary mall in Phoenix and waited it out for an hour and half - when I came back to the car it started up without issue and has not stalled since. I am thinking that the issues are due to climate as I live in Arizona, but I am not sure. I didn't take it back to the dealer because last time it costed $300 and the same issue is still occuring. Please let me know if anyone finds anything about how to fix the issue. Thanks!
  • this same problem started just after the trans and timing chain was replaced. but the error code reads different censors than was worked on. this happens when the engine gets HOT, I live where it gets to the 3 digits. tried to cool down the engine by spraying water on the radiator, turned off the AC, the car will start but as soon as it is put into drive it starts to stall and smell like gasoline was poured everywhere, but no gas, just fumes. we have not local VW dealer here so the one with the most experience suggested taking it to the dealer and having the computer replaced. the car is just on big lets say LEMON on here. been costly ever since my daughter bought it. NEVER AGAIN VOLKSWAGEN it might just call it a datsun
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