in your garage to make future searches easy.

Condition Value
expand_moreDiesel exhaust gas values
expand_moreCut-off control speed
All Volkswagen diesel straight-4 1.9 Liters 1Y engines 49505150 rpm
All Volkswagen diesel straight-4 1.9 Liters AAZ engines 49505150 rpm
All other modifications 48005200 rpm
Maximum K-value 2 1/m
expand_moreGeneral exhaust gas values
Diagnostic socket location The diagnostic socket is located in
the center of the dashboard behind
a cover.
expand_moreIdling speed with automatic gearbox
All Volkswagen gasoline vr-6 2.8 Liters AAA engines 650750 rpm
All other modifications 7001025 rpm
expand_moreIdling speed with manual gearbox
All Volkswagen diesel straight-4 1.9 Liters 1Y engines 870930 rpm
All Volkswagen diesel straight-4 1.9 Liters 1Z engines 890950 rpm
No adjustment possible
All Volkswagen gasoline straight-4 2.0 Liters 2E engines 770870 rpm
All Volkswagen gasoline vr-6 2.8 Liters AAA engines 650750 rpm
All Volkswagen gasoline straight-4 1.8 Liters AAM engines 7001025 rpm
All Volkswagen diesel straight-4 1.9 Liters AAZ engines 870930 rpm
All Volkswagen gasoline straight-4 1.8 Liters ABS engines 7001025 rpm
All Volkswagen gasoline straight-4 1.6 Liters ABU engines 750850 rpm
All Volkswagen gasoline straight-4 1.6 Liters AEA engines 700900 rpm
All Volkswagen gasoline straight-4 1.6 Liters AEE engines 550930 rpm
All Volkswagen gasoline straight-4 2.0 Liters ADY engines 770870 rpm
All Volkswagen gasoline straight-4 1.8 Liters ADZ engines 7001025 rpm
All Volkswagen gasoline straight-4 1.6 Liters AFT engines 790890 rpm
All Volkswagen gasoline straight-4 2.0 Liters AGG engines 770870 rpm
All Volkswagen diesel straight-4 1.9 Liters AHU engines 890950 rpm
No adjustment possible
All Volkswagen gasoline straight-4 2.0 Liters AKR engines 770870 rpm
All Volkswagen diesel straight-4 1.9 Liters ALE engines 890950 rpm
No adjustment possible
All Volkswagen gasoline straight-4 1.4 Liters ABD engines 750850 rpm
All Volkswagen gasoline straight-4 1.4 Liters AEX engines 650750 rpm
Minimum engine oil temperature at VET 176°F
expand_morePetrol exhaust gas values
expand_moreCO content at idling speed
All Volkswagen gasoline straight-4 1.4 Liters ABD engines 00.5 %
All Volkswagen gasoline straight-4 1.6 Liters ABU engines 00.5 %
All Volkswagen gasoline straight-4 1.6 Liters AEA engines 00.5 %
All Volkswagen gasoline straight-4 1.6 Liters AEE engines 00.5 %
All Volkswagen gasoline straight-4 1.4 Liters AEX engines 00.5 %
All other modifications 0.5 %
expand_moreCO content at increased idling speed
All Volkswagen gasoline straight-4 1.4 Liters ABD engines 00.3 %
All Volkswagen gasoline straight-4 1.6 Liters ABU engines 00.3 %
All Volkswagen gasoline straight-4 1.6 Liters AEA engines 00.3 %
All Volkswagen gasoline straight-4 1.6 Liters AEE engines 00.3 %
All Volkswagen gasoline straight-4 1.4 Liters AEX engines 00.3 %
All other modifications 0.3 %
Delta lambda 0.03 λ
expand_moreIgnition time
All Volkswagen gasoline straight-4 1.8 Liters AAM engines -6°00'±1°00' - before TDC + after
TDC
All Volkswagen gasoline straight-4 1.8 Liters ABS engines -6°00'±1°00' - before TDC + after
TDC
All Volkswagen gasoline straight-4 1.6 Liters AEE engines -6°00'±1°00' - before TDC + after
TDC
All Volkswagen gasoline straight-4 1.8 Liters ADZ engines -6°00'±1°00' - before TDC + after
TDC
All other modifications -5°00'±1°00' - before TDC + after
TDC
Increased idling speed 25002800 rpm
Lambda value 0.971.03 λ
expand_moreMaximum HC content at idling
All Volkswagen gasoline straight-4 1.6 Liters ABU engines 70 ppm
All Volkswagen gasoline straight-4 1.6 Liters AEA engines 70 ppm
All Volkswagen gasoline straight-4 1.6 Liters AEE engines 70 ppm
All other modifications 100 ppm
Petrol conditioning speed 25002800 rpm
Petrol conditioning time 120 s
expand_moreSpeed for disturbance variable
All Volkswagen gasoline straight-4 1.6 Liters ABU engines 650950 rpm
All Volkswagen gasoline straight-4 1.6 Liters AEA engines 6001000 rpm
All Volkswagen gasoline straight-4 1.6 Liters AEE engines 4501030 rpm
All Volkswagen gasoline straight-4 1.4 Liters ABD engines 650950 rpm
All Volkswagen gasoline straight-4 1.4 Liters AEX engines 550850 rpm

To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by Volkswagen.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1993 Volkswagen Vento user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Volkswagen warranty policy for your region. In some regions DIY service may invalidate your warranty.

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Volkswagen Vento service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 1993 Volkswagen Vento you're not only saving money, but also also improving your technical skills and learning something new.

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