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05-14-2022, 05:12 PM | #1 |
Drives: Yaris, Matrix S Join Date: Jan 2021
Location: Louisiana
Posts: 2
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Fuel Pump/Sending Unit/Relay/Gauge
2007 Yaris Sedan US. 215k miles. Can someone tell me if one of these three relays in the pic on top of the in car fuse box behind the change pouch thing controls the fuel pump and gas gauge and if so, which one?
Car stopped on highway. Gas gauge went to empty. Brought 5 gallons just in case but gauge didn't go back up and didn't start. Suspected bad fuel pump. Got tow truck. Tow truck arrived. Car started and gas gauge went back up. Got tow anyway. Got home, car didn't start again and gas gauge back down. Gas gauge began fluctuating from empty to full but car wouldn't start. Changed all three pictures relays from another Yaris and car started and drove around the block, but I'm afraid to take it out and risk it dying again. Problem is not occurring anymore currently. Yaris I pulled relays from has a blown engine so I can't test it, and I don't want to send it to the shop to get the engine changed next week with a potentially bad relay. So, could one of these three relays potentially be the problem, or do I maybe have an intermittently failing fuel pump/sending unit? A previous failed fuel pump on another car gave out and never came back on and I didn't get the weird gas gauge activity, so that's why I suspected a relay. If it's a relay, which of these three in the pic would it be? Thanks! |
05-14-2022, 05:15 PM | #2 |
Drives: Yaris, Matrix S Join Date: Jan 2021
Location: Louisiana
Posts: 2
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Also, does anyone know what fuse controls the radio right off hand? Trying to figure out if I have a blown fuse there before I move on to looking for a wiring problem in my aftermarket unit
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