Question about 2001 Volkswagen Passat

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Po340 Hello, I am getting a error code p0340, p0345, p0021 and p0011 on my 2001 vw passat. I have had the spark plugs replaced, but don't know why i keep getting this error message? Whenever I start the car it shakes after keeping it on for about 10 minutes it doesn't shake as bad?

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The 1.8 and the 2.8 motors are common to throw those codes when the timing chain adjuster fails. the guides (shoes) start to break apart, take the valve cover off and check the tensioner

Posted on Jan 11, 2013

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 99 vw passat, when running, MIL lite, on car vibrates- shakes

no flashing light and rough shaking will be part of spark plug but also a very bad miss fire. I am going to guess that your engine is a 1.8t if so you have 4 coils that sit on top of your spark plugs that most likely are arcing you will need to figure out which coil is failing or you can save yourself the trouble and replace all 4 and the spark plugs. before you do that though check your wireing going to your coils look for broken wires or the ground that is next to the #1 coil that is the one closest to the front of the motor and you. hope that helps. that will be the start to fixing your issue also when you pull out the spark plug look down the hole first and make sure that there is not oil in the bottom of the hole if that is the case you will need a valve cover gasket as well. good luck hope that helps

Posted on Sep 16, 2009

Testimonial: "hey was help full, but no it was second coil, miss fire, $89.00, BUT VW wanted 350.00 to do what i paid and did my self ,lol,,thnks"

miket756
  • 2702 Answers

SOURCE: car (vw passat turbo 2000) shakes on up

its miss fireing could be anything causing it but more likely to be plugs as its doing it under load going up hills plugs is the first place to start

Posted on Oct 23, 2009

  • 1071 Answers

SOURCE: After start, eng. shakes at idle. 2001 VW Jetta

if it has a 1.8 coils are bad but check mass air meter and throttle as well

Posted on Jul 21, 2009

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those codes p0340 is bank 1 camshaft position sensor wiring or sensor problem. p0345 is same but for bank 2. double check your work check wiring/connectors e.t.c. good luck

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I got 2 codes from friends diagnostic machine .... po340 and po 344 could you tell me what they are for?


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PO340 is the camshaft sensor, circuit malfunction

PO113 is intake air circuit--high input

PO123 is TPS sensor circuit A high input

Running your car low on oil is never good, how low was it---did it start knocking or did it overheat?
Running on low fuel is never good either, did you run out of gas and burn the fuel pump up?
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P0012 says the cam shaft signal is over retarded on bank 1, P0021 says that the cam shaft timing on bank 2 is over advanced. P0345 and P0349 means your cam shaft sensor cannot be read. Finally cylinder 7 (P0307) has a misfire. Changing your camshaft sensor would be a good start and then have the codes cleared. Switching the car on and off 5 times or disconnecting the battery negative terminal for 10 minutes will often clear the codes. With any luck everything will be resolved by the new cam shaft sensor. If the misfire is still present remove the spark plug and inspect it. If the plug is OK check out the HT lead and connection to see if there are any shorts.

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The crankshaft position sensor works in tandem with the camshaft ones, and they sometimes fail together. I've seen it written that the crankshaft one should be changed WITH the cam ones. They're kinda expensive, but the no spark/injection thing suggests that may be your issue. <!-- from fixya rte -->

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