Reduced MPG in 08 Zafira

Foyzone

follows2006 wrote: »

They hook it up to the ecu and this will generally tell them what the fault is.

Theyve done this twice..came up clear both times

somech

Foyzone wrote: »

Theyve done this twice..came up clear both times

needs another diagnostic test looking at live data coolant temp
intake air temp
mass air flow and so on
unfortunatley most garages these days just plug it in read codes and charge you £50.
but for a minor fault like yours the ecu is not storing a fault code
ie someone needs to look at live data