The diagnostic socket is in the middle of central panel under the cover.
expand_moreIdling speed with manual gearbox
Z 16 XE 1598cc Straight-4 Petrol Engine
700–930 rpm700–930 rpm700–930 rpm
Z 18 XE 1796cc Straight-4 Petrol Engine
710–930 rpm710–930 rpm710–930 rpm
expand_moreZ 22 SE 2198cc Straight-4 Petrol Engine
Without air-conditioning system
630–850 rpm630–850 rpm630–850 rpm
With air-conditioning
705–925 rpm705–925 rpm705–925 rpm
expand_moreIdling speed with automatic gearbox
Z 16 XE 1598cc Straight-4 Petrol Engine
700–930 rpm700–930 rpm700–930 rpm
Z 18 XE 1796cc Straight-4 Petrol Engine
710–930 rpm710–930 rpm710–930 rpm
expand_moreZ 22 SE 2198cc Straight-4 Petrol Engine
Without air-conditioning system
630–850 rpm630–850 rpm630–850 rpm
With air-conditioning
705–925 rpm705–925 rpm705–925 rpm
Minimum engine oil temperature at VET
176°F176°F80°C
expand_morePetrol exhaust gas values
CO content at idling speed
0–0.5 %0–0.5 %0–0.5 %
Increased idling speed
2800–3200 rpm2800–3200 rpm2800–3200 rpm
CO content at increased idling speed
0.3 %0.3 %0.3 %
Maximum HC content at idling
100 ppm100 ppm100 ppm
Petrol conditioning time
30 s30 s30 s
Lambda sensor design
Jump type lambda sensor
Voltage swing at test speed
0.3–0.6 V0.3–0.6 V0.3–0.6 V
expand_moreTest speed for lambda sensor signal
Z 16 XE 1598cc Straight-4 Petrol Engine
700–930 rpm700–930 rpm700–930 rpm
Z 18 XE 1796cc Straight-4 Petrol Engine
710–930 rpm710–930 rpm710–930 rpm
expand_moreZ 22 SE 2198cc Straight-4 Petrol Engine
With manual transmission
610–850 rpm610–850 rpm610–850 rpm
With automatic gearbox
710–930 rpm710–930 rpm710–930 rpm
Lambda value
0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by Opel.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2001 Opel Astra Cabriolet 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 Opel warranty policy for your region. In some regions DIY service may invalidate your warranty.
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 Opel Astra Cabriolet 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 2001 Opel Astra Cabriolet you're not only saving money, but also also improving your technical skills and learning something new.