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Home >> Volkswagen >> 1987 >> Vanagon Syncro AWD L4-2109cc 2.1L >> Repair and Diagnosis >> Powertrain Management >> Technical Service Bulletins >> By Symptom >> Starting problems >> Fuel Injection - System Cleaning And Decarbonization >> Step 1. Preliminary Checks
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Step 1. Preliminary Checks

- test drive vehicle and determine engine performance

Check the following:

^ ignition timing point, correct if necessary

- verify proper coolant temperature sensor 17~C to 45~C
P/N: 027919369B
^ replace with correct part if necessary

- check for vacuum leaks
^ repair if found


CAUTION

Part numbers are for reference only. Always check with your Parts Department for latest information.