Specifications of fuel and exhaust systems of Fiat Punto

System type
SOHC (8-vatve) engines..................................... Weber-Marelli 59F multi-point fuel injection/ignition system
DOHC [16-vafve) engines.................................... Bosch Motronic ME 7.3 H4 multi-point fuel injection/ignition system

Fuel system data of Fiat Punto
Engine idle speed.......................................... 900 ± 50 rpm*
CO%.................................................... 0.35 maximum*
Fuel pump type............................................ Electric, immersed in fuel tank
Fuel pump delivery rate:
SOHC (8-valve) engines ................................... 120 litres/hour minimum
DOHC (16-valve) engines.................................. 110 litres/hour minimum
Regulated fuel pressure:
SOHC (8-valve) engines ................................... 3.5 bars
DOHC (16-valve) engines.................................. 3.0 bars
Crankshaft TDC sensor resistance at 20DC ...................... 1134 to 1386 ohms
Injector electrical resistance:
SOHC (8-valve) engines ................................... 13.8 to 15.2 ohms
DOHC (16-valve) engines.................................. 14.0 to 15.0 ohms
• Not adjustable - controlled by ECU

Recommended fuel for Fiat Punto
Minimum octane rating...................................... 95 RON unleaded

Torque wrench settings                                                      Nm         lbf ft
Exhaust manifold downpipe support bracket bolt.................   30           22
Exhaust manifold to cylinder head.............................            25          18
Exhaust system flange joint ..................................              25           18
Exhaust system mounting bracket bolts ........................        30           22
Inlet manifold to cylinder head:
SOHC (8-valve) engines ...................................                  27           20
DOHC (16-valve) engines ..................................                 15           11