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21/01/2022 4:48 pm
Topic starter
Hi there. Ive got a 1.8tsi. From 08
It's has a P0171 fault code, but accelerates ordinairy.
Everytime i go to neutral and deccelerate while breaking, the rpm increases to 1500 and back down. This repeats until the car comes to a stop.
This also stops when i press the clutch.
I have changed the MaF sensor and o2 sensor. Cause of p0171 And No help.
What Can be Wrong here?
2 Answers
1
21/01/2022 4:51 pm
vacuum leak in brake booster
Tnx ive thought about that, but can that be?
it's only happening when the wheels move
0
21/01/2022 5:41 pm
Check your IAC valve for connections and function.
