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High(?) idle LH2.4, B234F 700

Hello everyone!

Quick question: My car idles at around 1000 rpm when fully warm. That drops to around 800 when gear is in Drive (automatic).

I know that my brake booster is bad, ie leaking. Could this be the cause or is the IAC valve unable to fully close?

Ideas anyone?!

B234F, LH 2.4 (with clean throttle body)

kind regards
Andy G






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