can't find this sensor

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02-12-2007, 01:32 PM

kykayaker27

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can't find this sensor

I own a 2000 trailblazer and my evaporation emission system pressure sensor/switch high input is out.thats what my code reader says and i have no idea where thats located /I am hoping that will fix my 4 wheel drive any help would be greatly apreciated thanks, Dave

02-12-2007, 03:19 PM

Chevy Lover

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RE: can't find this sensor

What's the actual code #

02-12-2007, 05:12 PM

kykayaker27

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RE: can't find this sensor

the code is P0454 any help would be great thanks, Dave

02-12-2007, 07:44 PM

Chevy Lover

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RE: can't find this sensor

The pressure sensor is on the top of the fuel tank module. You might be able to get to it without lowering the tank, but I don't know for sure. Check the electrical connector to make sure it's tight.

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