Fuel Level Sensor 1 Circuit High Voltage

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12-03-2013, 03:54 PM

bcase1997

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Fuel Level Sensor 1 Circuit High Voltage

I have a 2001 Chevrolet Blazer and there is the Fuel Level Sensor 1 High Voltage... what do I do about that?

12-03-2013, 08:49 PM

Captain Hook

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Location: Belleville, Michigan

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If the DTC is P0463, follow the flow chart in this link and it will take you right to the problem:

https://blazerforum.com/forum/diagno...plained-30454/

12-05-2013, 09:33 AM

bcase1997

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Thank you! we will have to try that!

12-15-2013, 03:45 PM

bcase1997

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History Code of Fuel Level Sensor 1 Circuit High Voltage

A history code of (what's stated in title) had showed up... my dad fixed a ground wire... the fluxuation of the gas guage stopped and the history code was gone for a little while... then it came back... what can we do? Also... can a history code in the background prevent i/m monitors from closing? Please help!