
Fuel Relay #103 — Is it Really Necessary?
For MVS’s 1500th (!) Volvo Repair Database entry, I bring you what is probably the most technical post in the VRD: jose456891‘s Fuel Relay #103 — Is it Really Necessary?…
For MVS’s 1500th (!) Volvo Repair Database entry, I bring you what is probably the most technical post in the VRD: jose456891‘s Fuel Relay #103 — Is it Really Necessary?…
How do I check both of these items? Are there 2 fuel pumps with this vehicle and I assume you have to drop the tank to replace if it is the pump?
Let’s talk about this Fuel Pump Relay Capacitor jreed wrote: “Thanks. I pulled the relay today (Volvo part # 89 8797 000) and took a look. I found that…
Ready For A Fuel Pump & Tank Removal ? An excellent tutorial for 850 and 1st-gen S/V70 fuel pump and fuel tank removal on a front-wheel drive model.…
Comprehensive how-to repair the troublesome fuel pump relay.
Fuel pump relay failures are a common and frustrating occurrence with the Volvo 850. A failure effectively immobilizes the car and many owners, myself included, carry a spare relay in the car so as to not get stuck on the road miles away from any Volvo dealer. The relays are unique to Volvo and cannot be purchased from a standard auto parts store. Read about the repair with pictures…less than $3.00 in parts if you’re willing to take the time to do this repair!
If your engine isn’t getting the proper amount of fuel, especially as the temperature dips, it could be your fuel pump relay. The solder joints in the relay itself tends to shrink and crack rending the relay non-funcional. This thread tells you where to find the relay and how to resolder the joints and change the capacitors in the relay. You can avoid buing the expensive Volvo fuel pump relay if you follow the instructions here!
The fuel pump relay is red and numbered 103. The Volvo part number for the relay is 9434225…