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Won't rev past 300 rpm when stationary. Hesitant when moving

Posted: Tue Nov 12, 2019 8:18 am
by Plankatron
Noticed this morning the car was hesitant over 3000 rpm. At standstill , in neutral, it would not rev past 2800/3000 rpm.

I have yet to get I diagnostic check but will do that tonight.

I'm thinking Mass airflow meter? Only trouble with that is performs fine up to 3000rpm. Previous experience of failed mafm showed the car to be really slow.

I'll check boost pipes as well.

Any other thoughts anyone?