Question about Volvo XC90
2007 Volvo XC90: For the past 6 weeks or so, Car has been having jerky movements if we try to accelerate too fast. But if we ease pressure on the trottle, it moves smoothly and we can gradually increase pressure till maximum desired speed is achieved. Suddenly yesterday, it stopped in the middle of the highway. We eventually started it after about 20min. Thus I suspected that the Fuel Pump relay may be getting hot and stops working till it is cool.
The relay is located in the Fuse/Relay box as shown. You may find that your fuel pump is not putting out the required pressure though.
Posted on Nov 14, 2014
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Posted on Jan 02, 2017
SOURCE: fuel pump relay dropping out
Obvious solution might be to change the relay, however here's a suggestion. When you see the relay starting to fluctuate manually hold it in the closed position to see if car still cuts out. If it does you're more that likely looking at an ignition problem as the relay needs a signal from the ignition to let it know the engine is running. If it doesn't cut out try another relay first.
Cheers John (Scotland)
Posted on Jan 03, 2009
THE RELAYS SHOULD BE UNDER THE RADIO ON THE PASSENGER SIDE LEFT KICK PANEL. JUST AS A REMINDER, A FUEL PUMP SHOULD NEVER BE TESTED UNLESS IT IS INSIDE THE TANK. THEY TEND TO FAIL IF TESTED OUTSIDE THE FUEL TANK. HOPE THIS HELPS YOU. LET ME KNOW. BEST OF LUCK. THANKS FOR USING FIX-YA. I''LL BE HERE IF YOU HAVE ANY OTHER QUESTIONS.
Posted on May 06, 2009
SOURCE: fuel pump relay
Relays aren't usually thermally sensitive. Is the check engine light on? If so, rent a scanner, read out any code(s), and pursue to repairs. How hot does the engine get? Does it quit when it gets hot, or does it not start after shut-off? The fuel pump should run for a short time, then stop when the key is first turned on (engine off). If it continues to run, the pump is near it's demise--replace it. Replace the fuel filter if it hasn't been changed recently. Hope this helps.
Posted on Sep 08, 2009
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