Symptom Related Diagnostic Procedures
Trouble-shootingFor complaints such as:
Very poor engine performance, black or blue smoke, tendency for knocking at full load, poor starting characteristics with smoke, rough idle.
Test conditions:
Throttle linkage correctly adjusted, connect revolution counter, engine at operating temperature, run engine at idle (750 i 50 rpm) (without increasing speed), steering in straight-ahead position, air conditioning switched off, selector lever for automatic transmission in position "P".
Test:
Exhaust gas recycling.
Special Tools:
Conventional tools
Rev counter
Shop-made Connection:
A. (USA) model year 1980
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Test (Part 3 Of 3):
B. (USA) model year 1981
Checkup
Note: At begin of test, yellow orifice (63) should be installed.