VE Injection Pump Data: 4-Cylinder Engine Performance (Articles)

Target data for measurement blocks of 4-cylinder VE engines (distributor injection pump)

Engine codes: 1Z, AHU | AEY | AFN, AVG | AGP, AQM | AHF, ASV | ALE | ALH, AGR
Engine at operating temperature (coolant temperature ≥ 80 °C). LL = idle, VL = full load, - = no specified value.


Measurement block 0 - Baseline values

MB	F	Description	1Z,AHU LL	1Z,AHU VL	AEY LL	AEY VL	AFN,AVG LL	AFN,AVG VL	AGP,AQM LL	AGP,AQM VL	AHF,ASV LL	AHF,ASV VL	ALE LL	ALE VL	ALH,AGR LL	ALH,AGR VL
0	1	Engine speed	41..45	136..150	41..45	136..150	41..45	136..150	41..46	138..148	41..46	138..148	41..45	134..153	41..46	138..148
	2	Start of injection	0..88	138..188	0..88	120..160	0..88	138..188	25..125	113..163	12..75	137..215	12..75	137..213	12..75	137..215
	3	Accelerator pedal position	0	255	0	255	0	255	0	255	0	255	0	255	0	255
	4	Injection quantity	11..45	175..178	11..45	100..130	11..45	192..215	11..45	125..140	11..45	199..214	11..45	170..190	11..45	199..214
	5	Intake manifold pressure	-	209..238 (00011) 155..189 (00012)	-	-	-	180..245	-	-	83..106	179..215	-	163..225	83..106	179..215
	6	Atmospheric pressure	-	-	-	-	-	-	181..222	181..222	183..224	183..224	-	-	183..224	183..224
	7	Coolant temperature	80..35	80..35	80..35	80..35	80..35	80..35	80..35	80..35	80..35	80..35	80..35	80..35	80..35	80..35
	8	Intake manifold temperature	80..182	80..182	80..182	50..182	50..182	50..182	50..182	50..182	50..182	50..182	80..190	35..190	50..182	50..182
	9	Fuel temperature	91..201	91..201	91..201	91..201	91..201	91..201	91..201	91..201	91..201	91..201	91..201	91..201	91..201	31..201
	10	Intake air mass	84..128 (00011) 69..111 (00012)	225..255	69..225	69..225	69..135	225..255	-	-	69..111	255	69..111	255	69..111	255

Measurement block 1 - Baseline values at idle

MB	F	Description	1Z,AHU LL	1Z,AHU VL	AEY LL	AEY VL	AFN,AVG LL	AFN,AVG VL	AGP,AQM LL	AGP,AQM VL	AHF,ASV LL	AHF,ASV VL	ALE LL	ALE VL	ALH,AGR LL	ALH,AGR VL
1	1	Engine speed in RPM	861..945		861..945		861..945		861..945		861..945		861..945		861..945
	2	Injection quantity in mg/stroke	2.2..9		2.2..9		2.2..9		2.2..9		2.2..9		2.2..9		2.2..9
	3	Control slide voltage in V	1.25..1.7		1.4..1.8		1.46..1.9		1.6..2.1		1.3..2.1		1.35..2.1		1.3..2.1
	4	Coolant temperature in °C	80..110		80..110		80..110		80..110		80..110		80..110		80..110

Measurement block 2 - Operating state at idle

MB	F	Description	1Z,AHU LL	1Z,AHU VL	AEY LL	AEY VL	AFN,AVG LL	AFN,AVG VL	AGP,AQM LL	AGP,AQM VL	AHF,ASV LL	AHF,ASV VL	ALE LL	ALE VL	ALH,AGR LL	ALH,AGR VL
2	1	Engine speed in RPM	861..945		861..945		861..945		861..945		861..945		861..945		861..945
	2	Accelerator pedal position in %	0		0		0		0		0		0		0
	3	Operating state	010		010		010		010		010		010		010
	4	Coolant temperature in °C	80..110		80..110		80..110		80..110		80..110		80..110		80..110

Measurement block 3 - Air masses / EGR at idle

MB	F	Description	1Z,AHU LL	1Z,AHU VL	AEY LL	AEY VL	AFN,AVG LL	AFN,AVG VL	AGP,AQM LL	AGP,AQM VL	AHF,ASV LL	AHF,ASV VL	ALE LL	ALE VL	ALH,AGR LL	ALH,AGR VL
3	1	Engine speed in RPM	861..945		861..945		861..945		861..945		861..945		861..945		861..945
	2	Air mass setpoint in mg/stroke	230..420		-		230..450		230..370		230..370		240..340		230..370
	3	Actual air mass in mg/stroke	280..420 (00011) 230..370 (00012)		246..750		230..450		230..370		230..370		240..340		230..370
	4	EGR valve duty cycle in %	10..90		90..98		10..90		94..96		40..75		40..84		40..75

Measurement block 4 - Start of injection

MB	F	Description	1Z,AHU LL	1Z,AHU VL	AEY LL	AEY VL	AFN,AVG LL	AFN,AVG VL	AGP,AQM LL	AGP,AQM VL	AHF,ASV LL	AHF,ASV VL	ALE LL	ALE VL	ALH,AGR LL	ALH,AGR VL
4	1	Engine speed in RPM	861..945	2850..3150	861..945	2850..3150	861..945	2850..3150	861..945	2900..3100	861..945	2900..3100	861..945	2800..3200	861..945	2900..3100
	2	Start of injection setpoint	3°ATDC..4°BTDC	8..12°BTDC	0..5°BTDC	6..10°BTDC	2°ATDC..4°BTDC	8..12°BTDC	1°ATDC..7°BTDC	6..10°BTDC	2°ATDC..3°BTDC	8..14°BTDC	2°ATDC..3°BTDC	8..14°BTDC	2°ATDC..3°BTDC	8..14°BTDC
	3	Actual start of injection	3°ATDC..4°BTDC	8..12°BTDC	0..5°BTDC	6..10°BTDC	2°ATDC..4°BTDC	8..12°BTDC	1°ATDC..7°BTDC	6..10°BTDC	2°ATDC..3°BTDC	8..14°BTDC	2°ATDC..3°BTDC	8..14°BTDC	2°ATDC..3°BTDC	8..14°BTDC
	4	Injection start valve duty cycle	2..10	60..90	10..60	60..90	2..95	60..98	2..80	70..95	3..80	50..95	3..70	50..95	3..80	50..95

Measurement block 8 - Injection quantities at full load

MB	F	Description	1Z,AHU LL	1Z,AHU VL	AEY LL	AEY VL	AFN,AVG LL	AFN,AVG VL	AGP,AQM LL	AGP,AQM VL	AHF,ASV LL	AHF,ASV VL	ALE LL	ALE VL	ALH,AGR LL	ALH,AGR VL
8	1	Engine speed in RPM		2850..3150		2850..3150		2850..3150		2900..3100		2900..3100		2800..3200		2900..3100
	2	Injection quantity, driver demand in mg/stroke		36..42		23.2..24.6		43..45		41..45		42..46		38..45		38..42
	3	Torque limitation in mg/stroke		34.2..35.2		24..25		40..42		26..28		38.2..42.2		34..39		34.2..38.2
	4	Smoke limitation in mg/stroke		35..38		20..26		38.5..44		25..30		41..44		32..40		37..40

Measurement block 10 - Full load boost pressure

MB	F	Description	1Z,AHU LL	1Z,AHU VL	AEY LL	AEY VL	AFN,AVG LL	AFN,AVG VL	AGP,AQM LL	AGP,AQM VL	AHF,ASV LL	AHF,ASV VL	ALE LL	ALE VL	ALH,AGR LL	ALH,AGR VL
10	1	Actual air mass in mg/stroke		750..850				850..1050				800..1100		750..1100		800..1100
	2	Atmospheric pressure in mbar		-				-				900..1100		-		900..1100
	3	Intake manifold pressure in mbar		1750..1950				1700..2250				1850..2250		1700..2250		1850..2250
	4	Accelerator pedal position in %		100				100				100		100		100

Measurement block 11 - Boost pressure control

MB	F	Description	1Z,AHU LL	1Z,AHU VL	AEY LL	AEY VL	AFN,AVG LL	AFN,AVG VL	AGP,AQM LL	AGP,AQM VL	AHF,ASV LL	AHF,ASV VL	ALE LL	ALE VL	ALH,AGR LL	ALH,AGR VL
11	1	Engine speed in RPM		2850..3150		2850..3150		2850..3150				2900..3100		2800..3200		2900..3100
	2	Boost pressure setpoint in mbar		1720..1950		-		1900..2000				1850..1950		1850..1950		1850..1950
	3	Actual boost pressure in mbar		1720..1950		-		1700..2500				1850..2250		1700..2250		1850..2250
	4	Boost pressure valve duty cycle in %		40..70		94..96		45..94				45..95		45..95		45..95

Measurement block 13 - Smooth running control at idle

MB

F

Description

1Z,AHU LL

1Z,AHU VL

AEY LL

AEY VL

AFN,AVG LL

AFN,AVG VL

AGP,AQM LL

AGP,AQM VL

AHF,ASV LL

AHF,ASV VL

ALE LL

ALE VL

ALH,AGR LL

ALH,AGR VL

13

1

Cylinder 1

-

-

-

Smooth running regulator cylinder 1 -1.9..+ 1.9 mg/stroke

-2.0..+ 2.0

-

-2.0..+ 2.0

2

Cylinder 2

-

-

-

Smooth running regulator cylinder 2 -1.9..+ 1.9 mg/stroke

-2.0..+ 2.0

-

-2.0..+ 2.0

3

Cylinder 4

-

-

-

Smooth running regulator cylinder 3 -1.9..+ 1.9 mg/stroke

-2.0..+ 2.0

-

-2.0..+ 2.0

4

Cylinder 4 (AGP/AHF/ALH)

-

-

-

Smooth running regulator cylinder 4 -1.9..+ 1.9 mg/stroke

-2.0..+ 2.0

-2.0..+ 2.0

Measurement block 19 - Control slide travel (AGP, AHF, ALH)

MB

F

Description

1Z,AHU LL

1Z,AHU VL

AEY LL

AEY VL

AFN,AVG LL

AFN,AVG VL

AGP,AQM LL

AGP,AQM VL

AHF,ASV LL

AHF,ASV VL

ALE LL

ALE VL

ALH,AGR LL

ALH,AGR VL

19

1

Control slide travel voltage at start in V

0.500..0.970

0.500..0.970

0.500..0.970

2

Control slide travel voltage at stop in V

4.150..4.740

4.150..4.740

4.150..4.740

Source: community.dieselschrauber.org – Michael II