Mileage left reading vs fuel gauge

willy8toes

Member
:
Mazda 5
Good after,

New on here so please bear with me!

Disconnected the Negative terminal on battery last week, so I could remove the MAF sensor & clean it. Job done & reconnected.

Now this is what's happened.

1) The digital display for miles memaining lost around 40 miles (dropped from 102 to 64). The fuel warning light came on a lot later than normal (if you go by the digital reading).

2) The average consumption has risen from 11.5 to 13.7 (it has stayed at 11.5 for the 2 years we've owned car).

Any ideas on how to rectify this would be appreciated.

Regards

Will
 
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