Note
To open or close the tank filler plug using the active key, set the metal part in the middle position, as shown on page 86.
Opening
Lift the cover (1, fig. 100) And insert the active or passive key into the lock. Give the key a 1/4 turn clockwise to unlock.
Lift the plug (2, fig. 101).

Closing
Close the cap (2, fig. 101) With the key inserted and press it into its seat. Remove the key and replace the lock cover (1, fig. 100).
Note
The cap can only be closed with the key inserted.
Warning
Always make sure you have properly refitted (see page 140) and closed the plug after each refuelling.

Seat lock
Work latch (1, fig. 102) To remove the seat and access to the underseat compartment and any other device under it.

Position on the vehicle
Side standIgnition coils
Introduction
The engine control system of the diavel includes two ignition coils: one for
the horizontal cylinder and one for the vertical
cylinder. These coils are installed directly in the spark plug wells. A diode is
installed on the secondary winding inside the
coil, which prevents the un ...
Timing system
Desmodromic (type) with four valves per cylinder,
operated by eight rocker arms (4 opening rockers and 4
closing rockers) and two overhead camshafts. It is operated
by the crankshaft through spur gears, belt rollers and toothed
belts.
Desmodromic timing system (fig. 159)
Opening (or upp ...
Exhaust by-pass valve not working correctly
Fault codes
Dds: exvl diagnosis -> position error, potentiometer, short circuit to ground
or open circuit (s.C. Gnd or c.O.),
Potentiometer short circuited to vdc (potentiometer s.C vdc).
Dashboard: the error "exvl" (exhaust bypass valve) is shown on the service
display. The eobd warning ...