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  1. 1.8L Automatic - Engine idle and driving rpm surges

    Engines and Transmission (9G)
    I've recently had a problem with my spark plugs and coils (the plugs were probably not tightened when last replaced), So my garage replaced 2 faulty plugs and 1 coil We've also cleaned the MAF sensor since idle rpm was a little jittery (jumping 50 rpm or so). After those changes car seemed to...
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