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Discussion Starter · #1 ·
New problem with the little Beetle that couldn’t.
At idle after the car has warmed up the engine will rev consistently to around 1700 back down to 800 the up again, and so on very consistently. I clear the codes when this happens, and everything returns to normal for a few days until it strikes again.
Has codes 17551, 17972, 19481, and 17579
I have cleaned and done a throttle body alignment, and still no change.
If anyone has any information on this it would be greatly appreciated, thanks.
 

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We have seen tb issues for a long time; we have seen internal failures, requiring replacement and plug, harness issues as well.



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The last time i had a similar issue with my 1.8t car it was a major leak on my crank hose. You couldn't see the cracked hose because it's under the SAI pump.
 
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