map sensors

map  sensors detect manifold vacuum unlike maf which detect air flow.
These are used  in a lot of French cars and  can offer a lot more in terms of fuel economy etc
Yes they go wrong and may not throw a fault code the only way to test them is off the car with a 5 volt supply and applying a vacuum  this way wiring or other issues are ruled neat and simple

lunar auto diagnostics

Full range of engine fault diagnostic services Contact us for help

125,east bawtry road
Rotherham
south Yorkshire
s60 4lq

air filters

one of the most  underchanged items in your car.
We would advise changing these every  6 months but it all depends on  your area,check it or get it checked if looks noticeably gruuby then  put a new one in.
We recoomend WIX filters  dont go for the cheaper  crap  they strangle the e ngine

lunar auto diagnostics

Full range of engine fault diagnostic services Contact us for help

125,east bawtry road
Rotherham
south Yorkshire
s60 4lq