in your garage to make future searches easy.

Condition Value
expand_moreDiesel exhaust gas values
Cut-off control speed 4200 rpm
Maximum K-value 2.2 1/m
expand_moreGeneral exhaust gas values
Diagnostic socket location Behind fuse box cover.
expand_moreIdling speed with manual gearbox
All Alfa Romeo diesel straight-5 2.4 L 839 A6.000 engines 770830 rpm
All Alfa Romeo diesel straight-5 2.4 L 841 C000 engines 750850 rpm
All Alfa Romeo gasoline straight-4 2.0 L AR 36301 engines 820880 rpm
All other modifications 670730 rpm
Minimum engine oil temperature at VET 140°F
expand_morePetrol exhaust gas values
CO content at idling speed 0.10.5 %
CO content at increased idling speed 0.2 %
expand_moreIncreased idling speed
All other modifications 24002600 rpm
Lambda value 0.971.03 λ
expand_moreMaximum HC content at idling
All Alfa Romeo gasoline straight-4 2.0 L AR 36301 engines 50 ppm
All other modifications 70 ppm

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

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2003 Alfa Romeo 166 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 Alfa Romeo 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 Alfa Romeo 166 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 Alfa Romeo 166 you're not only saving money, but also also improving your technical skills and learning something new.

2003 Alfa Romeo 166 generations

In 2003 Alfa Romeo offered 2 generations of the 166. Emission may vary in different generations. Be sure that you are looking at the rigt modification.

Alfa Romeo 166 Series 1 model years

Units:
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