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Spark plug blow out

  

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Topic starter

i had a spark plug blow out 

02 Audi allroad quattro

I had the hole rethreaded however the car is shaking still

 albeit a lot less I was wondering if maybe it wasn't threaded down far enough?

Also no signs of blown head gasket 


2 Answers
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What do codes and live data reveal? That car is 21 years old, so check for vacuum leaks, maybe do compression and leakdown tests on the engine to confirm its condition.


Besides cylinder #4 (misfire)im not getting any other codes


Checking codes is just the beginning of the diagnostic process. Does live data show any anomalies?


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Scotty has researched and answered

https://youtu.be/gqJpLHfYZtY?t=458


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