Workshop Manuals Factory service & repair Fiat
01 00 Introduction and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 33 Braking system06 41 Steering07 44 Suspension and wheels08 50 Auxiliary units09 55 Electrical system10 70 Bodywork
Fiat Punto (176) Factory Service Manual (1993-1999)02 · 10 Engine
02 · Engine

Adjusting injection timing sen- sor

Make
Fiat
Model
Punto (176) Factory Service Manual
Year
1993–1999
Section
Fuel system (1372 T) › Adjusting injection timing sen- sor
10 EngineAdjusting injection timing sen- sor

ADJUSTING INJECTION TIMING SEN- SOR

Position injection timing sensor with piston pair 1-4 on TDC, with cylinder 4 in combustion phase.

Align TDC marks on crankshaft pulley and rpm sensor mount (Fig. A).

Check that the timing adjustment sign appears in the window on the timing belt guard cover (Fig. B). In this position cylinder (4) is in combustion phase. If not, turn crankshaft through another turn.

Diagram showing engine components labeled A and B, illustrating alignment of timing marks on the crankshaft pulley and rpm sensor mount.

With the sensor removed, before fitting in seat, turn the shaft to align roughly reference mark (1) on rotor ring and highlighted with blue paint, with reference notch (2) on the sensor cover slot. Fit sensor in its seat, taking care when positioning electrical connector terminal. If necessary, align reference notches again by turning sensor case.

Tighten sensor in seat.

Diagram showing the injection timing sensor assembly with callout numbers 1 and 2 indicating the reference mark on the rotor ring and the reference notch on the sensor cover slot.

Parts & tools for this job For 1993 Fiat Punto

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