Check conditions: the ignition timing is correct, the exhaust system is sealed, the fuel pump relay and the malfunction indicator lamp are in order.
Warm up the engine and stop, oil temperature +60°С.
Switch off electrical consumers. The fan should not run when adjusting
Remove the crankcase breather hose from the cylinder head and position it so that clean air is drawn in through it.
Connect the tachometer and CO tester according to the instructions with the engine not running. The air filter remains installed. Connect the CO tester to the measuring tube on the intake pipe of the muffler in the engine compartment.
Check the presence of the speed signal from the TSZ-H key stage and the operation of the malfunction lamp on the dashboard. To do this, turn on the ignition - the fault lamp should light up. Start the engine, the lamp should go out.
Start the engine for about 1 minute, bring the speed to 2000 rpm. To warm up the lambda probe. Then leave the engine to idle.
Check idle speed. See chapter for meaning "Repair characteristics".
If there is a deviation, warm up the lambda probe and check again. Check intake manifold temperature sensor. Check the verticality of the position and ease of movement of the pre-throttle. Have the Ecotronic unit checked.
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