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Volkswagen engine repair questions and answers

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  • lily
    lily - 2005 Volkswagen Jetta - Engine - 7/3/2014
    Car overheated now why wont it start
    long story short, my car would overheat after about a few days from putting water in it.(i realized why this was happening because of my water pump) So i constantly had to put water when i saw it overheating and was planning to get it fixed asap. but one day i went ...
     
    0 answer
  • lily
    lily - 2005 Volkswagen Jetta - Engine - 7/3/2014
    Car over heated now why wont it start?
    long story short, my car would overheat after about a few days from putting water in it.(i realized why this was happening because of my water pump) So i constantly had to put water when i saw it overheating and was planning to get it fixed asap. but one day i went ...
     
    0 answer
  • MK-4 Jetta
    MK-4 Jetta - 2003 Volkswagen Jetta - Engine - 6/28/2014
    I just recently placed my timing belt and my sparkplugs my timing belt had teeth missing but did not break.
    my belt did not break so assumed it didnt bend my valve. when i try to crank it it turns over slowly and makes kinda a whinning sound. my cranks sensor is out will that cause my car not to crank or could it be something else
     
    • alex
      6/28/2014 alex
      no a crank sensor has nothing to do with cranking. after i do jobs like that i like to take the plugs out and roll it around by hand a couple of times. i would do that charge the battery check any connections you may have taken off or bumped.
      alex
      6/28/2014 MK-4 Jetta
      I haven't taken any connectors loose besides my spark plugs and my battery is new
      alex
      6/28/2014 MK-4 Jetta
      My timing belt being recently changed in told could have put my cam sensor and or crank sensor off
  • AutoMD Member
    AutoMD Member - 2003 Volkswagen Passat - Engine - 6/27/2014
    STOP ENG MSG-Oil Press
    I read that it could be Oil Sludge blocking oil pump pick up screen. Anyone else see this before and how did you rectify it? Did it result in any Permanent damage to engine? Thanks
     
    0 answer
  • jon ho
    jon ho - 2001 Volkswagen Beetle - Engine - 6/22/2014
    Why wont my a/c pull R-134? It only pulls a small amount, builds pressure enough for the compressor to turn on.
    The compressor turns on and spins, let it run for 20 mins and the pressure gauge on the r134 refill hose has a normal reading in the green area around 200. but it is not blowing cold air at ALL. I replaced the compressor, dryer, expansion valve. what could be ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2004 Volkswagen Jetta - Engine - 6/17/2014
    Vehicle shudders at low rpm, check engine light flashing
    Driving through heavy rain, flooded roads, nothing above hood level, get to a stop light and the check engine light is flashing, and the vehicle is shuddering, raised rpm sounds good above 2k rpm
     
    • AutoMD Member
      6/17/2014 AutoMD Member
      I have been having this same problem! Any information would be helpful!
    • Jason
      6/17/2014 Jason
      Check engine light flashing is a severe misfire. Need to check for trouble codes first. Water on electrical components could be the problem.
  • AutoMD Member
    AutoMD Member - 2009 Volkswagen Passat - Engine - 6/17/2014
    Squealing when idling
    High pitch squealing when idling or no acceleration. Sounds ok under load, i.e., acceleration or high way speeds (using cruise control). High RPM's when idling (1200-1300). Check engine light has come on. Serpentine belt? Bearings in alternator or water pump?
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2002 Volkswagen Cabrio - Engine - 6/11/2014
    Engine dies when passenger door opened
    I have a 2002 Cabrio with 110,000 miles. It runs well. The engine dies when someone opens the passenger door. My mechanic sent me to a VW specialist but he is hospitalized at the moment so nothing has been tried.
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2001 Volkswagen Jetta - Engine - 6/9/2014
    VERY high idle! Upon starting car, it jumps to 4k RPM. Any insight?
    Car has already been diagnosed as needing a new Cat Converter. This has been confirmed by codes and a VW repair specialist. The specialist recommended not spending that kind of money until it was absolutely needed. Also, have the smell, and roughness in rain, ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2001 Volkswagen Jetta - Engine - 6/9/2014
    VERY high idle! Upon starting car, it jumps to 4k RPM. Any insight?
    Car has already been diagnosed as needing a new Cat Converter. This has been confirmed by codes and a VW repair specialist. The specialist recommended not spending that kind of money until it was absolutely needed. Also, have the smell, and roughness in rain, ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2007 Volkswagen Jetta - Engine - 6/5/2014
    What is causing car to lose power when speeding up like on freeway onramp
    have had problem for 5 or 6 years but not very often dealer has checked but no codes set and would not happen on their test drive
     
    • GT500Knights
      6/5/2014 GT500Knights
      Check exhaust back pressure. At idle pressure should not exceed 1.25 psi. At 2500-3000 rpm backpressure should not exceed 3 psi. With a vacuum gauge, rev and hold engine to to 2500 rpm. Vacuum should initially drop to below 5 inches , and then return to 20+/-2 inches. If vacu remains low then you have an exhaust issue restricting back pressure.
  • AutoMD Member
    AutoMD Member - 2005 Volkswagen Golf - Engine - 6/3/2014
    What happend to the throttle while driving?
    I was driving 110mph on the highway, and was at full throttle, suddenly my car began to slow down, even tho i didn't let go of the throttle..and it maintained speed at 75mph...i tried letting go of the throttle and pressing it again but the car couldn't go any ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2005 Volkswagen Golf - Engine - 6/3/2014
    What happend to the throttle while driving?
    I was driving 110mph on the highway, and was at full throttle, suddenly my car began to slow down, even tho i didn't let go of the throttle..and it maintained speed at 75mph...i tried letting go of the throttle and pressing it again but the car couldn't go any ...
     
    0 answer
  • AutoMD Member
    AutoMD Member - 2002 Volkswagen Passat - Engine - 5/27/2014
    What is wrong when my car stalls while idling and even in drive when at a stop. Only the battery light comes on.
    Relpaced the fuel pump relay last week. It still stalls when idling. Appreciate any advise
     
    • Jimm
      5/27/2014 Jimm
      First step - have the stored fault codes or check engine light scanned - for free - at any local auto parts store; Advance Auto, Auto Zone, NAPA. Then, post a reply as 'add answer' with the specific code for more assistance. There may be a fault code stored in the OBD memory which may not be displayed as a check engine light.

      Possible Causes of Engine Hesitation or Stumble:

      Dirty fuel injectors (cleaning the injectors often fixes this)
      Dirty air filter (change filter)
      Dirty / clogged fuel filter (change filter)
      Bad MAP (manifold absolute pressure) sensor
      Bad TPS (throttle position) sensor
      Bad or dirty MAF (mass airflow) sensor
      Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
      Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
      Bad gasoline (fuel contaminated with water or too much alcohol)

      Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

      Dirty or worn spark plugs
      Bad plug wires
      Weak ignition coil
      Wet plug wires
  • AutoMD Member
    AutoMD Member - 2001 Volkswagen Passat - Engine - 5/27/2014
    Do I need a gasket when replacing the oil pan ?
    Two dealers two different answers
     
    • Jimm
      5/27/2014 Jimm
      Yes, the oil pan does have a gasket for the lower pan on the V6 2.8L engine. Use this part (or it's equivalent) FEL-PRO part # OS30779 (has the RTV sealant included for Upper oil pan Gasket)
 
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