2006 Peugeot 407 2.7 Hdi
Poor fuel economy

Paul Gerber
1 points

Problem added: Sep 20, 2014 (6 years ago)
The car is giving me 19mpg or 7.2kmpl doesnt matter how drive. We took out the cats and programmed out the depolution system and added some power. But it did not make any diference
I did fit larger tyres from 234 to 245 40, and that made the car a little more economic

Any advice please!!!

Car details
Car: Peugeot 407
Variant: 2.7 Hdi
Model Year: 2006
Category: Steering, Suspension, Brakes, Wheels & Tyres
Replies and Fixes
1,837 points

Sep 20, 2014 (6 years ago)
Check for fault codes maybe there is an underlying fault or maybe in bypassing these system,s the ECM is in limp mode,is fuel filter good?
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