Use the Actron CP7838 to diagnose drivability issues caused by fuel pressure outside specification. It measures available fuel pressure with the engine running or off.
Compatible test connections
Schrader valve test port on the fuel rail
Banjo-bolt connections on Asian, European, and domestic applications; a 12 mm x 1.25 banjo is included, and other bolts are available from Actron
Detachable rubber-hose connections at the fuel rail, fuel line, or fuel filter
GM TBI threaded connections at the fuel filter or throttle body
Gauge and kit features
2.5-inch gauge with 0–100 PSI and 0–700 kPa scales
40-inch gauge hose for reaching test points
Pressure-relief button and 6-foot hose for gasoline disposal and repeated tests without disconnecting the gauge
Gauge boot helps protect the gauge and vehicle finish
Fuel types and safe use
For measuring fuel pressure on fuel-injected and carburettor petrol engines
Do not use with diesel or flex fuels
Follow the manufacturer’s instructions and appropriate fuel-handling procedures. For Australian workshops and technicians, confirm your vehicle has a compatible test connection before use.
