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Deceleration Fuel Shut-Off, Checking
Checking Deceleration Fuel Shut-Off Test Conditions Temperature sensor II minimum
60°C (140°F) with resistance reading less than
550 ohmWork Sequence -
Using square end of tool VW 1490, bridge terminals of connector 2
-
Accelerate engine slightly
Engine rpm must fluctuate (deceleration fuel shut-off system operates)
If rpm
DOES NOT fluctuate
-
Replace control unit
