2003 Opel Astra Coupe emission

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Condition	Value

expand_moreDiesel exhaust gas values

expand_moreCut-off control speed


2.2 DTI with diesel straight-4 2.2 L 123 HP engine (2002.9–2005.5)	4800–5100 rpm4800–5100 rpm4800–5100 rpm

expand_moreDiesel conditioning gas injections


2.2 DTI with diesel straight-4 2.2 L 123 HP engine (2002.9–2005.5)	5

expand_moreMaximum K-value


2.2 DTI with diesel straight-4 2.2 L 123 HP engine (2002.9–2005.5)	1.9 1/m1.9 1/m1.9 1/m

expand_moreGeneral exhaust gas values


Diagnostic socket location	The diagnostic socket is in the middle of central panel under the cover.
Exhaust gas recirculation (EGR)	Yes

expand_moreIdling speed with automatic gearbox


All Opel gasoline straight-4 1.6 L Z 16 XEP engines	710–930 rpm710–930 rpm710–930 rpm
All Opel gasoline straight-4 1.8 L Z 18 XE engines	710–930 rpm710–930 rpm710–930 rpm

expand_moreAll Opel gasoline straight-4 2.2 L Z 22 SE engines


With air-conditioning	705–925 rpm705–925 rpm705–925 rpm
Without air-conditioning system	630–850 rpm630–850 rpm630–850 rpm

expand_moreIdling speed with manual gearbox


Opel diesel straight-4 2.2 L Y 22 DTR 123 HP	720–880 rpm720–880 rpm720–880 rpm

expand_moreOpel gasoline straight-4 2.2 L Z 22 SE 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM


With air-conditioning	705–925 rpm705–925 rpm705–925 rpm
Without air-conditioning system	630–850 rpm630–850 rpm630–850 rpm


Opel gasoline straight-4 2.0 L Z 20 LET 189 HP	730–950 rpm730–950 rpm730–950 rpm
Opel gasoline straight-4 2.0 L Z 20 LET 197 HP	730–950 rpm730–950 rpm730–950 rpm
All other modifications	710–930 rpm710–930 rpm710–930 rpm


Minimum engine oil temperature at VET	176°F176°F80°C

expand_morePetrol exhaust gas values

expand_moreCO content at idling speed


Opel gasoline straight-4 1.6 L Z 16 XEP 102 HP	0–0.5 %0–0.5 %0–0.5 %
Opel gasoline straight-4 2.2 L Z 22 SE 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM	0–0.5 %0–0.5 %0–0.5 %
Opel gasoline straight-4 2.0 L Z 20 LET 189 HP	0.3 %0.3 %0.3 %
All other modifications	0.5 %0.5 %0.5 %


CO content at increased idling speed	0.3 %0.3 %0.3 %
Increased idling speed	2800–3200 rpm2800–3200 rpm2800–3200 rpm
Lambda sensor design	Jump type lambda sensor
Lambda value	0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
Maximum HC content at idling	100 ppm100 ppm100 ppm
Petrol conditioning time	30 s30 s30 s

expand_moreTest speed for lambda sensor signal

expand_moreOpel gasoline straight-4 2.2 L Z 22 SE 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM


With automatic gearbox	710–930 rpm710–930 rpm710–930 rpm
With manual transmission	610–850 rpm610–850 rpm610–850 rpm


Opel gasoline straight-4 2.0 L Z 20 LET 189 HP	730–950 rpm730–950 rpm730–950 rpm
Opel gasoline straight-4 2.0 L Z 20 LET 197 HP	730–950 rpm730–950 rpm730–950 rpm
All other modifications	710–930 rpm710–930 rpm710–930 rpm


Voltage swing at test speed	0.3–0.6 V0.3–0.6 V0.3–0.6 V

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 2003 Opel Astra Coupe 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.

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 Opel Astra Coupe 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 2003 Opel Astra Coupe you're not only saving money, but also also improving your technical skills and learning something new.

2003 Opel Astra Coupe G facelift Emission

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Conquer your fears and never give up!

Opel Astra Coupe G facelift model years

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