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Fuel gauge problem along with check engine light?
I have a 2003 Mercury Marauder (high performance Grand Marquis) 4.6L DOHC V8. On a recent trip to Florida, I was at about 3/4 of a tank when the fuel gauge needle suddenly shot up to Full and stayed there. After a while, the MIL (check engine light) came on and when I scanned it, I got code P0460 - fuel level sensor A circuit malfunction. I just want to know what is normally the culprit here... the sending unit or the connection between the sending unit and PCM? For now, I have left it the way it is and I've just been going by mileage to see when to fill up again. Any help is appreciated. Thanks.
Turned out the sending unit inside the tank was bad. I ante'd up and got an entire new in-tank assembly just so I don;t have to worry about the fuel pump going bad later because it was a pain in the *** getting the tank down lol.
@Yeshua, I don't have a remote starter kit in my car. I go out when its 20 below in my t-shirt and boxers and warm my car up the old fashioned way lol.
2 Answers
- ?Lv 58 years ago
If you have an aftermarket Remote Starter you need to remove it before diagnosing it. Also if you have an auxiliary fuel tank and you are replenishing it. The code can activate. It could be a faulty sensor, Open or shorted harness, or poor electrical.
Source(s): Automobile Technician