What kind of fuel injection does a 1990 Volvo have?
[Response: Chris Mullet/Chris Herbst] Many 1990+ non-turbos have Rex/Regina systems; most turbos seem to have Bosch. Between 90 to 92, all non-California non-turbos were Regina cars. There were some 89s and there were some 940s until 1993 if not later.
Where is the fuse box on a Volvo XC90?
Fuse box inside the passenger compartment, on the driver side edge of the dashboard; 4. Fuse box on the left side of the cargo compartment, behind the side panel.
What kind of fuel pump does a 1989 Volvo have?
However, some 1989 to 1992 cars have Regina FI and two fuel pumps (both in-tank and under-car) similar to a Bosch system. The fact that your car has only one fuel pump is NOT proof that it has a Regina system, as the exception above notes.
How do you adjust fuel injection in a Volvo?
Remove the tamper proof plug from the air mass meter by drilling two 1/8″ holes in the plug about 3/16″ deep and removing the plug with needle nose pliers or snap ring pliers. This will reveal the mixture adjusting screw. Adjust the AMM until the LED on the tester blinks on and off at equal intervals.
Where is the fuel injection well on a Volvo 760?
Go to the right inner fender well (740’s) or the left inner fender well (240’s) and find the red and white pigtail that sits besides the ignition ECU. This is your idle speed test point. [Note: wiring colors can vary: some 760s use red/black.Check the OEM wiring diagram manual; aftermarket versions may not have the correct colors.]
Why does my Volvo have so many runability problems?
[Courtesy of MVP, Volvo performance parts suppliers] Many driveability and running problems can be traced to improper base engine settings. Setting your base idle specifications is always the first step when trouble shooting any runability problem. By following the steps below the source of most problems can be identified
What does FPR stand for in Volvo ignition system?
FI = Fuel Injection FPR = Fuel Pressure Regulator IAC = Idle Air Control solenoid valve TB = Throttle Body TPS = Throttle Position Sensor VSS = Vehicle Speed Sensor Maintenance, Plugs, Cap, Wires:
What does the P0420 Volvo Engine Control Module do?
P0420 Volvo Description The Engine Control Module (ECM) monitors the switching frequency ratio of heated oxygen sensors 1 (front O2 sensor) and heated oxygen sensors 2 (rear O2 sensor). A three way catalyst converter (Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2.