Skoda Fabia engine hunting / emissions

Car: Skoda Fabia
Variant: 1.4 8 v hatchback
Model Year: 2001

Categories: Running Rough, Starting & Power Loss

help please.. MOT had to be aborted on emissions test..engine hunting badly..high emissions readout..changed front lambda,and MAP sensor..still the same..advice please..

Posted: Jan 6, 2012 (12 years ago)

russred

Points: 1

I'd be looking for induction leaks,cracked hoses,loose hose clips,burst,loose or missing vacuum pipes.
anywhere that air can get in after the air flow meter.don't forget the crankcase emission system,or the fuel carbon canister/solenoid.
Sorry I can't be more specific but I've found air leaks like yours everywhere!

Posted Jan 6, 2012 (12 years ago)

1/4drive

Points: 1,892

If no leaks check idle air control valve for operation

Posted Jan 6, 2012 (12 years ago)

rizzo

Points: 388

if you have a motorised throttle i would check to make sure it isnt gummed up and sticking, as well as the other suggestions

Posted Jan 7, 2012 (12 years ago)

paulieone

Points: 1,810

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Skoda Fabia engine hunting / emissions

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