Where is the fuel pump relay on a Volvo 960?
Seal free end of hose using Plug (5266) or use Fuel Drainage Unit (981 2270, 2273 and 2282). On 940, lift out central electrical unit behind ashtray and remove system relay. See Fig. 1. On 850, lift cover on central electrical unit located in engine compartment and remove fuel pump relay. See Fig. 2.
What is the oxygen sensor code on a Volvo 960?
Oxygen Sensor Code in 960 OBD-II Scanner for 96+ 960/90 Cars 960 Fuel Tank Hose Failure 960 Air Conditioning Failure Points Torque Values for B6244, B6254, and B6304 Engines
How to check fuel injection signal on Volvo 960?
To check fuel injection control signal to fuel pump relay, connect voltmeter between ground and fuel pump relay terminal No. 4. See Fig. 4. Operate starter motor. If voltmeter indicates about 3 volts, replace relay. If voltage is not to specification, check wiring between fuel pump relay and ECU.
Where are the spark plugs on a Volvo 960?
[Responses: Carlos Torres/Tom Irwin/Warren Bain] The plugs are on the middle of the engine. Remove spark plug access cover. (Black cover on top of engine.) Once you have the black plastic cover off, number the coil packs with a magic marker 1 – 6 front to back so you can correctly replace them.
How do you test a Volvo 960 engine?
Remove oxygen sensor or air injection check valve (if equipped). Connect a 1-10 psi pressure gauge, and run engine at 2500 RPM. If exhaust system backpressure is greater than 1 3/4-2 psi, exhaust system or catalytic converter is plugged. If using a vacuum gauge, connect vacuum gauge hose to intake manifold vacuum port and start engine.
What causes a bad fuel pump in a Volvo?
Fuel Main Pump Problems & Replacement Gas More Than Empty But Can’t Be Pumped Out B230K BiFuel Engine Ticking Sound: Fuel Pump Fuel Tank: Gas Cap Fuel Tank Fill Hose Failure Fuel Tank Auxiliary Tank Fuel Pressure: Fuel Pressure Regulator and System Pressure Noisy Fuel Pump: Bad FPR Fuel Pressure Test Tool Failed Check Valve Abbreviations