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 printable version
Check CO content
 | In vehicles with catalytic CO checked and adjusted can. |
| Conditions: Check exhaust system for this to plug the rear exhaust pipe with a cloth on the engine is running. All joints must be airtight. | When this check should pay particular attention to good ventilation. There is a risk of poisoning. |
- Warm up the engine. Engine temperature must be at least + 80 ?� C.
- Check idle speed.
- Switch off all electrical consumers.
| Connect screening devices only when the ignition is off. |
- Connect the tachometer according to the manufacturer's instructions.
- Connect the exhaust pipe to the back of the probe to measure CO.
- Start the engine and leave to idle.
- Increase speed for 3 minutes to 2500 - 3000 rev / min.
- Run the engine for 3 minutes at idle speed to value with stabilized.
- Check the CO measuring instrument.
Required value: 1,5 ?� 0,5%
| When checking the radiator fan should not be included. If the fan is on, wait until it is switched off again. |
 | - If the CO value must be adjusted to remove the seal from the adjusting screw and adjust with the help of the CO.
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- Again, check the idling speed and adjust if necessary.
- Disable checking instruments with the ignition off.
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