2004 Opel Vectra Sedan emission

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Condition	Value

expand_moreDiesel exhaust gas values

expand_moreCut-off control speed


All other modifications	4900–5100 rpm4900–5100 rpm4900–5100 rpm


Diesel conditioning gas injections	5

expand_moreMaximum K-value


2.0 DTI 16V with diesel straight-4 2.0 L 99 HP at 4300 RPM, 230 N⋅m at 1950 RPM engine (2002.4–)	1.5 1/m1.5 1/m1.5 1/m
All other modifications	1.6 1/m1.6 1/m1.6 1/m

expand_moreGeneral exhaust gas values


Diagnostic socket location	The diagnostic socket is located in the central panel under the ashtray.
Exhaust gas recirculation (EGR)	Yes

expand_moreIdling speed with automatic gearbox


All Opel gasoline straight-4 1.8 L Z 18 XE engines	630–850 rpm630–850 rpm630–850 rpm
All Opel gasoline straight-4 2.2 L Z 22 SE engines	680–900 rpm680–900 rpm680–900 rpm
All Opel gasoline straight-4 2.2 L Z 22 YH engines	700–860 rpm700–860 rpm700–860 rpm
All other modifications	600–950 rpm600–950 rpm600–950 rpm

expand_moreIdling speed with manual gearbox


1.8 16V with gasoline straight-4 1.8 L 121 HP at 6000 RPM, 165 N⋅m at 4600 RPM engine (2002.4–)	620–850 rpm620–850 rpm620–850 rpm
2.0 DTI 16V with diesel straight-4 2.0 L 99 HP at 4300 RPM, 230 N⋅m at 1950 RPM engine (2002.4–)	750–850 rpm750–850 rpm750–850 rpm
2.2 16V with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2002.4–)	680–900 rpm680–900 rpm680–900 rpm
2.2 DTI 16V with diesel straight-4 2.2 L 115 HP at 4000 RPM, 270 N⋅m at 1500 RPM engine (2002.4–2004.12)	760–920 rpm760–920 rpm760–920 rpm
2.2 DTI 16V with diesel straight-4 2.2 L 123 HP engine (2002.4–)	760–920 rpm760–920 rpm760–920 rpm
2.2 direct with gasoline straight-4 2.2 L 153 HP engine (2003.10–)	670–830 rpm670–830 rpm670–830 rpm
All other modifications	600–950 rpm600–950 rpm600–950 rpm

expand_moreMinimum engine oil temperature at VET


All other modifications	176°F176°F80°C

expand_morePetrol exhaust gas values

expand_moreCO content at idling speed


All Opel gasoline straight-4 1.8 L Z 18 XE engines	0.3 %0.3 %0.3 %
All Opel gasoline straight-4 2.2 L Z 22 SE engines	0.3 %0.3 %0.3 %
All other modifications	0–0.5 %0–0.5 %0–0.5 %

expand_moreCO content at increased idling speed


All Opel gasoline straight-4 1.8 L Z 18 XE engines	0.3 %0.3 %0.3 %
All Opel gasoline straight-4 2.2 L Z 22 SE engines	0.3 %0.3 %0.3 %
All other modifications	0.2 %0.2 %0.2 %


Increased idling speed	2800–3200 rpm2800–3200 rpm2800–3200 rpm

expand_moreLambda sensor design


All Opel gasoline straight-4 2.2 L Z 22 YH engines	wideband sensor
All other modifications	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

expand_morePetrol conditioning speed


2.2 direct with gasoline straight-4 2.2 L 153 HP engine (2003.10–)	3000 rpm3000 rpm3000 rpm


Petrol conditioning time	30 s30 s30 s

expand_moreTest speed for lambda sensor signal


All Opel gasoline straight-4 1.8 L Z 18 XE engines	620–850 rpm620–850 rpm620–850 rpm
All Opel gasoline straight-4 2.2 L Z 22 SE engines	680–900 rpm680–900 rpm680–900 rpm

expand_moreVoltage swing at test speed


All Opel gasoline straight-4 1.8 L Z 18 XE engines	0.3–0.6 V0.3–0.6 V0.3–0.6 V
All Opel gasoline straight-4 2.2 L Z 22 SE engines	0.3–0.6 V0.3–0.6 V0.3–0.6 V
All other modifications	0.3 V0.3 V0.3 V
More than

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 2004 Opel Vectra Sedan 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 Vectra Sedan 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 2004 Opel Vectra Sedan you're not only saving money, but also also improving your technical skills and learning something new.

2004 Opel Vectra Sedan generations

In 2004 Opel offered 2 generations of the Vectra Sedan. Emission may vary in different generations. Be sure that you are looking at the rigt modification.

C

Epsilon Platform

2004 Opel Vectra Sedan C2 Emission

Table of Contents

Conquer your fears and never give up!

2004 Opel Vectra Sedan generations

C

Opel Vectra Sedan C2 model years

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