Volvo 940 Fuel Pump Relay Problems

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Volvo 940 fuel pump relay problems.

It might just be a blown fuse or a bad relay but on a high mileage vehicle it s often a bad fuel pump. The 3 main things to check in the fuel circuit are the fuel pump relay and the 2 fuel pumps. Block ed fuel filter. 3523608 a relay for fuel pump injection.

740 all 760 1983 87 940 all except se d 1 bulb failure sensor seat belt reminder windshield wiper delay tailgate wiper delay fuel injection system relay impulse relay 1982 or front foglights flasher unit main lighting relay 1983 overdrive relay j window winders electric fan l r. There are 2 relays inside the fuel injection pump relay. Also known as a fuel pump relay or main fuel system relay. Fits 240 dl gl 85 93 all lh jetronic 2 2 and 2 4.

5 0 out of 5 stars 1. Sunday may 22nd 2011 at 8 06 pm. Problems with the 740 fuel pump and headlight relays are well documented. When the wires cool down the connection is re establised.

Here is a procedure to test the operation of the fuel injection relay and the operation of both fuel pumps. The most common causes of no fuel supply are. Drilling holes in relay covers to cool them. A new fuel pump assembly might be an option if the problems have become extreme.

Fuel injection relay test. Same as previous volvo pn 1347603. 5 0 out of 5 stars 4. 1994 volvo 940 wagon where is the fuel pump relay replaced fuel pump fuses are good still no fuel.

Fuel pump and fi relay diagnostic tests. Only 20 left in stock order soon. The problem i have is it keeps blowing the fuel pump fuse. Often this will be intermittent.

No buzz means the fuel pump isn t running. Burnt fuse and relay panels and overheated connections are common in used 740 and 940 cars. I think i solved the stalling problems. I have replaced the fuel pump relay and the fuel.

Have the same problem. Volvo 240 244 245 740 745 760 780 940 fuel pump relay 3523608. Most of the 200 series volvo with bosch k jetronic fuel injection have an auxiliary in tank fuel pump and a main fuel pump controlled by a fuel pump relay.