Volkswagen Workshop Service and Repair Manuals > Golf Mk4 > Power unit | Direct injection and preglow system with distributor-type pump to 04.99 | Self diagnosis, V.A.G Inspection Service | Measured value blocks | Evaluating measured value blocks | Evaluation: Voltage from modulating piston travel sender G149 display (stop and start limit stops)

Evaluation: Voltage from modulating piston travel senderG149 display (stop and start limit stops)

Evaluation: Voltage from modulating piston travel sender -G149- display (stop and start limit stops)

Display fault reader -V.A.G 1551-

Possible fault cause

Fault elimination

Specification outside tolerance

t	Injection pump quantity adjuster maladjusted

–	Renew injection pump → Chapter