Engine specifications (VW Polo 4)

Petrol engines

Engine / Model	1.2	1.2	1.4	1.4 FSI	1.4
Production date, from - to	2/02-	11/01-	11/01-	5/02-	11/01-
Engine designation	AWY	AZQ	AUA/BBY	AXU	AUB/BBZ1)
Working volume, cm³	1198	1198	1390	1390	1390
Power, kW/hp,	40/55	47/64	55/75	63/86	74/100
at 1/min	4750	5400	5000	5000	6000
Max. torque, Nm,	106	112	126	130	126
at 1/min	3000	3000	3800	3500	4400
Cylinder diameter, mm	76,5	76,5	76,5	76,5	76,5
Piston stroke, mm	86,9	86,9	75,6	75,6	75,6
Compression ratio	10,8	10,4	10,5	12,0	10,5
Number of cylinders/valves per cylinder	3/2	3/4	4/4	4/4	4/4
Engine management system	Simos 3PD	Simos ZRE	4MV/4AV	MED 7	4MV/4LV
Fuel brand	95	95	95	98	98
Filling volumes, l:
lubrication system	3,0	3,0	3,2	3,5	3,2
cooling system	5,6	5,6	5,6	5,6	5,6

Diesel engines

Engine / Model	1.4 PD-TDI	1.9 SDI	1.9 PD-TDI	1.9 PD-TDI
Production date, from - to	11/01-	11/01-	11/01-	4/02-
Engine designation	AMF/BAY	ASY	ATD/AXR	ASZ2)
Working volume, cm³	1422	1896	1896	1896
Power, kW/hp	55/75	47/64	74/100	96/130
at 1/min	4000	4000	4000	4000
Max. torque, Nm,	195	125	240	310
at 1/min	2200	1600	1800	1900
Cylinder diameter, mm	79,5	79,5	79,5	79,5
Piston stroke, mm	95,5	86,4	86,4	86,4
Compression ratio	19,5	19,5	19,0	19,0
Number of cylinders/valves per cylinder	3/2	4/2	4/2	4/2
Engine management system	EDO	EDO	EDO	EDO
Fuel grade, octane rating	Diesel	Diesel	Diesel	Diesel
Filling volumes, l:
lubrication system	4,2/3,8	4,3	4,3	4,3
cooling system	5,0	5,0	5,0	5,0

1) BBZ from 5/02: maximum torque 128 Nm at 4400 1/min.

2) Initially only for SEAT IBIZA, for POLO from 12/03.

• EDC — electronic control of the high-pressure fuel pump (HPFP).
• SDI — a naturally aspirated diesel engine with direct mixture formation.
• TDI — diesel engine with gas turbine supercharging and direct mixture formation.
• PD — injection system with pump-nozzles.
• FSI - injection system with stratified mixture formation (direct injection of gasoline).
• MED — Motronic injection system with electric throttle drive and direct petrol injection.
• 4AV/4MV/4LV — ignition and injection system from MAGNETI MARELLI.
• Simos 3PD/E: Simos — system with Siemens engine control unit: 3 — with electric throttle drive; P - with load detection via the intake manifold pressure sensor: D - with two slot oxygen sensors; E - with one wideband and one slot oxygen sensor.

3-cylinder petrol engine

AZQ engine with a displacement of 1.2 liters and a power output of 47 kW/64 hp.

• 1 - oil filler cap
• 2 - engine oil level indicator (dipstick)
• 3 - guide tube for the feeler gauge
• 4 - timing chain
• 5 - oil pump
• 6 - oil filter
• 7 - poly V-belt
• 8 - air conditioning compressor
• 9 - generator
• 10 - oil pan
• 11 - balancing mechanism shaft
• 12 - lower oxygen sensor
• 13 - catalytic converter
• 14 - upper oxygen sensor
• 15 - exhaust valve
• 16 - exhaust camshaft
• 17 - ignition coil

4-cylinder diesel engine

PD-TDI engine with a displacement of 1.9 liters and an output of 74/96 kW (100/130 hp)

• 1 - camshaft
• 2 - pump injector
• 3 - toothed belt
• 4 - glow plug
• 5 - poly V-belt
• 6 - crankshaft
• 7 - oil pump
• 8 - Engine oil level indicator (dipstick)
• 9 - oil filter
• 10 - flywheel
• 11 - Engine oil cooler
• 12 - charge air cooler