Quote:
Originally Posted by racebmwm3
I've tried spraying carb cleaner all over the place before and after the engine has heated up, but I have not observed a change in engine idle.
If it was the MAF, wouldn't it show lean right after start up? Mine is showing fine after start up, but pegs lean after 20 mins of warm up.
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Do you have a tool to check your air flow. should be around 4.1-4.6g/s around 600 -700rpms.