Question about 2000 Chevrolet Silverado

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2001 silverado 4.8 what is a recognized problem

2001 silverado 4.8 How recognize problem with po452 code?

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Well this code is for fuel tank pressure sensor it could be bad wire or sensor or pcm computer need scanner to do the test may be local shop can help or dealer

Posted on Feb 08, 2010

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Dec 21, 2013 | 2001 Chevrolet Silverado 1500

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Po452 and po446 on 04 chevy silverado have replaced fuel pressure sensor and reset but code po452 keep poping up


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2000 chevy silverado not running good, stalling wont take gas computer shows code po452 is this a common problem?


This is the code for the fuel pressure sensor, either the pump is failing or the sensor is bad causing the computer to screw up the air gas mixture. Also this code is for fuel tank pressure sensor it could be bad wire or sensor or pcm computer need scanner to do the test may be local shop can help or dealer

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Try clearing the codes first and seeing if they come back

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1 Answer

Codes on my 2001 Blazer are Po452 and Po651 What do I look for?


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Po452 trouble code changed sensor engine light


you might try unhooking the battiey for 20min both + and - posties cuz that will force the computor to have to resest only if you have addressied the fuel pressure problem which taht would most likly be your filter which isn't all that much

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