2020年10月20日 · Hello all, I have a 2016 GMC Canyon alt displaying a p0451 code for evaporative emission system pressure sensor switch range performance. I made sure the gas cap was tightly closed and reset the code but it came once more. I’m thinking from what I’ve seen online, it might be the pressure sensor...

2024年1月31日 · Hi all, Just purchased a 16 z71 4x4 3.6 with 113k on it. Beautiful truck. Like every Chevrolet, it has an evap code. P0451. When the blower is blasting air into the cabin i'm getting a very faint fuel smell ocasionally. Truck runs great with no increased fuel consumption. Soon as I saw the...

2020年11月12日 · So, right after replacing that battery, the CEL light for the P0451 went away and has stayed that way for the last few months. Just this week, my CEL came back. And wouldn't you know it, a couple days later, I again couldn't start my …

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2022年9月6日 · P0451. Thread starter Mid ... P0300 code on 2004 GMC Yukon XL Denali - 119,000 miles. Latest: S33k3r; 4 ...

2011年4月16日 · P0451 (Evaporative Emission System Pressure Sensor / Switch Range / Performance) indicates that the Fuel Tank Pressure Sensor needs replacing, however, we don't think this is my main problem. I didn't think the vehicle was actually leaking gas, because I hadn't noticed any puddles underneath the vehicle, I had noticed that it was becoming ...

2014年12月9日 · P0451 This DTC will set if the controller is unable to re-zero the FTP sensor voltage within a calibrated range during the engine-off small leak test, P0442. P0452 The FTP sensor voltage is less than 0.1 volt for more than 5 seconds. P0453 The FTP sensor voltage is more than 4.9 volts for more than 5 seconds. P0454

2011年11月21日 · P0451 popped up and im having a tough time finding a lot about it. I ordered the fuel tank pressure sensor and have cleared the code with my hypertech programmer. Waiting to see if it comes back. Any luck with yours njracer? Swathdiver, i'm gonna take your advice and see if j can find someone to diagnose with a tech2. Thanks

2013年12月13日 · Thought I would share my story on the p0455 issues with my 2005 tahoe. Usually this tells me that I have a leak in the evap system and to inspect things like gas filler neck, gas cap, canister, operate purge/vent solenoids. I was lucky enought to borrow a smoke machine to try and find the...