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Missfire on 99my Impreza turbo

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Old May 19, 2002 | 05:15 PM
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Robh
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Unhappy

My Turbo has started to missfire when cruising at about 2000rpm, it pulls with slight hesitation, on large throttle openings it seems OK.
Any ideas as to the problem, I have fitted new plugs and oil level is between marks.
Could it be Lambda probe? or wastegate?
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Old May 19, 2002 | 08:41 PM
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JIM THEO
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Exclamation

I GUESS ARE THE NEW PLUGS!
DID YOU CHANGE THE TYPE?
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Old May 19, 2002 | 10:41 PM
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my99
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Crank sensor?

Cheers
Garry
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Old May 20, 2002 | 05:50 PM
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NDT
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Cool

sounds like Lambda - easy to check whether it works.
that was how my car felt when the lambda failed - hesitation on light throttle, 2-3000 rpm.

look on the web for how to test the sensor - all you need is a digital voltmeter and a blowlamp.....

Nick
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Old May 20, 2002 | 06:11 PM
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My 99uk does this but only when cold ie on choke fine when warm

Rottie
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