Volkswagen Passat losing power

My Volkswagen Passat 1.8 petrol loses power gradually when driving from 70mph to 40mph. Sometimes it seems as if its being choked, while other times it drives fine. Any ideas?

Asked on 26 February 2014 by Mud902100

Answered by Honest John
Probably a failing mass airflow sensor.
Similar questions
I've just bought a Renault Megane 1.6 petrol. When I start the engine, it starts but loses power at first. It needs a bit of accelerating to keep the engine running. I have changed the spark plugs already,...
I am having some problems with my 2005 Vauxhall Vivaro van. The engine has virtually no power until it reaches 25000rpm. I’ve changed the air filter, mass air flow meter/sensor boost pressure sensor, and...
My Mazda 3 recently had a refill of the DPF fluid and forced regeneration by a main dealer due to an engine management light coming on, which produced DPF related error codes. The car subsequently ran...
Related models
Spacious and comfortable. Wide range of engines. Big, boot with lockable seatbacks. Generally better from May 2008 onwards.

 

Value my car