hi i got a octavia 1.8 vrs mk 1

had problems with air mass flow meter had a diagnostic done

they told me to replace the air mass flow meter, i did but still dont run right.

seems lummpy and hitting a wall when going through the gears

any ideas

thanks

Edited 15 January, 201115 yr by navyboy

unplug the maf and then go for a drive if its still the same then it wasnt the maf

Does it run any better when warm? (Engine temp sensor needs replacing)

Does the boost fluctuate, i.e. come in and out quickly? (N75 needs replacing)

A general port of call would be the pre-cat sensor as this can cause misreading signals to the MAF and can cause rough/lumpy running.

Steve

Just a thought........

When was the fuel filter last changed??

Steve