WebNov 1, 2024 · Vehicle: 05 Chevrolet cobalt 2.2 p0452 pressure 1 Answer 0 votes answered Nov 6, 2024 by Carguy1 (12.6k points) Hi there, You need to have it checked out. The fuel cap is only one area that can cause this particular code, so once you have replaced it, then the issue is somewhere else in the evap system on the car. Related questions 0 votes WebFeb 19, 2024 · P0446 Chevy, also known as evaporative emission system vent control circuit malfunction, indicates that the computer in your vehicle has discovered (or believes it has identified) a problem with the operation of the EVAP system vent valve. The vent valve is managed by your car’s computer (it also controls the purge valve).
I have a Cobalt the has the engine light on with the error code of ...
P0452 is a generic OBD II code that can occur in the Chevy Cobalt. It means that your Cobalt's EVAP system has detected low fuel tank pressure. The evaporative emissions control system (EVAP) sends fuel vapors from the fuel tank to the intake manifold to be burned off. See more More often than not, P0452 is not going to be accompanied by any noticeable symptoms, and your Cobalt will continue to run fine. Here are some of the more common symptoms … See more A common mistake that people make when diagnosing P0452 is to do anything before checking the gas cap. Or, they’ll keep going on with … See more Here are some of the more common causes of P0452 in the Chevy Cobalt: 1. Loose gas cap 2. Bad fuel tank pressure sensor or wiring 3. Clogged charcoal canister 4. Vacuum leak 5. EVAP purge solenoid failure See more P0452 is more often than not caused by a bad gas cap. If your gas cap is fine, then this can be a tough code to diagnose. See more WebFeb 23, 2024 · 2. Check the Gas Cap. P0452 indicates that your Colorado’s fuel tank pressure sensor has detected that the pressure in the fuel tank is too low. If the gas cap is not tight, or making a good seal, that causes this code (a lot). Remove the fuel cap and inspect it. Pay attention to the rubber ring that would snug to the fuel inlet. kid mythology books
P0446 Chevy: Evaporative Emission System Vent Control Circuit
WebThe only symptom you will notice with a P0452 code is the service engine soon or check engine light will illuminate. In rare cases you may smell a noticeable fuel vapor. Causes Potential causes for this DTC include: Failed fuel tank pressure sensor Harness to the sensor has an open or short circuit Faulty electrical connection to the FTP sensor Web What Does the P0452 Code Mean? The fuel tank pressure sensor measures vapor pressure or vacuum in the Evaporative Emission ( EVAP) system. The Engine Control Module ( ECM) supplies a 5 V reference and a low reference circuit to the fuel tank pressure sensor. WebMay 17, 2013 · DTC P0446 is a Type B DTC. Diagnostic Aids • An intermittent condition could be caused by a damaged EVAP vent housing, a temporary blockage at the EVAP canister vent solenoid valve inlet, or a pinched vent hose. A blockage in the vent system will also cause a poor fuel fill problem. kid music for 8 year olds