02-18-2024, 09:12 AM | #1 |
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Car is 100% stock. 2022 G80 6 MT. No tune, no aftermarket anything. Original owner. Car is not abused. I use 93 octane whenever I can get it. Car is not tracked. 26,000 miles. Driving at normal highway speeds all of a sudden I see a check engine light. Car is still driving normal.
Car is showing 1/2 tank of fuel. I fill up the car and the guage does not move. I drive the car the next day and fuel goes to 0. Watching the guage drop to 0 was a little nerve racking. I was not sure if the fuel pump would shut off even though the car was driven 70 miles from another refuel I did. I did get a reduced power warning. Way before this I would get this feeling that the car would surge under a light press on gas pedal at HWY speeds. It’s like the sensation of a stuck throttle on a motorcycle for a split second. I have an appointment for this Thursday. When it’s resolved I’ll update the post. UPDATED: A damn mouse chewed a few wires that connects to the sensor that feeds information for the float. (Now my garage has a generous amount of mouse repellent pellets around garge. Also some crushed mice poison.) Garage smells like I have a big “mint” air freshener. Anyway it’s described as wiring harness damage. A few wires apparently touched and shorted every electrical component associated with the fuel system. The tech did a fantastic job with the video and describing the steps he was taking to resolve. (Tried to tip the tech but he was out for lunch when I picked up the car.) Also did a video of undercarriage, tires, brakes etc. the M3 got a clean bill of health for that part. Repair cost: $1,463.67 ($20 in parts rest labor) for the repair obviously not covered by manufacturer warranty. It was covered by Geico under comprehensive coverage; “animal damage”! Geico went to the dealership paid them direct and I paid my deductible. While car was in for repair they did a covered no additional charge scheduled service. Oil and filter, air filter, spark plugs and software update. Car is running butter smooth glad to have it back! |
02-18-2024, 09:41 AM | #2 |
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I wouldn’t drive it anymore until it’s looked at. Without a scan, you don’t know what exactly it is and driving it if it’s got a fuel supply issue isn’t going to be good with the engine, especially since you got an additional warning for reduced power. Stop driving it.
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02-18-2024, 09:44 AM | #3 | |
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Quote:
Parked it last night. I have another car I use as my daily driver. |
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02-18-2024, 09:46 AM | #4 |
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Float sensor went bad and the reduced power is because his car thinks he’s out of gas. It’s not a risk to drive as long as he knows he has fuel. The car would alert or shut off if there was low fuel pressure (high or low side).
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'18 F80 Base 6MT | '19 F82 Exec DCT | '18 F82 Comp Exec DCT | '23 G80cx
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02-18-2024, 10:45 AM | #6 |
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Maybe so but without a scan to be sure, I wouldn’t risk it. Why I think one should always have scan software if they’re an enthusiast… helps when you work on them too and need one.
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02-23-2024, 02:54 PM | #9 |
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02-23-2024, 02:57 PM | #10 |
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