Hesitation/ Flat spot on MY01 WRX

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06 May 2006, 07:47 AM

JonMc

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Hesitation/ Flat spot on MY01 WRX

Hi all, coming home last night the car started to almost hiccup. Can happen both whilst accellerating and whilst cruising, but only seems to happen off boost, when accelerating it feels like a falt spot, but if I'm bimbling at around 15oorpm for example, the car will 'hiccup' and then carry on as normal.

Got a new MAF about 4 weeks ago, I'm thinking possible lambda sensor as the idle seems to be getting more lumpy than when I first got the car a couple of months ago.

Any ideas