The component is the Evaporative Emission Control System (EVAP) Vapor Canister Purge Valve.The internal diaphragm or solenoid of the factory-installed purge valve has worn out prematurely or became contaminated, locking it permanently into a stuck-open position.The Manifestation or (Symptoms): The stuck-open valve continuously drafts raw fuel vapor and unmetered air into the engine intake manifold. This causes an improper air-fuel mixture, resulting in:Stumbling / Failure to Start Immediately After Refueling (the engine is flooded by gas tank vapors forced in during fill-up).Rough Idling (due to a continuous vacuum leak).Illuminated Check Engine Light tracking Diagnostic Trouble Codes (DTCs) P0496 (High Purge Flow) or P0442. Yes, it is available for inspection. The vehicle stumbles, hesitates, and fails to restart at busy gas pumps and intersections which places drivers, passengers, and other motorists at an immediate risk of a collision. Yes, the problem has been validated by an professional auto mechanic shop. No, it has not been inspected by anyone else other than the mechanicshop to diagnose the problem, issue. The check engine light came on as I cranked the vehicle up and it started idling. No known symptoms until check engine came on prior to failing. The check engine light first appeared in May 2026 as well as the codes mentioned above.

Source: NHTSA complaint ODI #11744373 · view all complaints for this vehicle at nhtsa.gov

2020 Chevrolet Impala Premier purchased July, 2015, mileage: + or - 12 miles I started having hard steering and made several trips to the dealer while under warranty and the dealer could not gen an OBD reading and no on dash reading. Right after the warranty was up and at 5,322 miles they were able to get an OBD reading. Information from the dealer invoice: A multi-point inspection DI1 Multi-Point inspection 716106 CPC B C/S veh is hard to steer at times- acts like it has no electric steering ADV cause: DTC O800 power steering control module low voltage, found while battery sitting over TP test dead cell and low cca 185/535cca EGO1 drivability test 716106 CPC $69.95 1 88866309 $190.00 New Battery Final charge: $317.44 No hard steering for a while, and now at 7,500 + or - miles hard steering is back and becoming harder to steer at times, especially if breaking. I have been to the dealer more often and had wait for the a while to get checked in and by the time he gets to me and someone to drive my car the steering is back to normal again. They told me that without a dash or ODB reading there is nothing they can do. 5 years same problem and never know when it will happen.

Source: NHTSA complaint ODI #11679731 · view all complaints for this vehicle at nhtsa.gov

I was in a car accident on June 20, 2023. I was stopped in traffic and was hit in the rear and pushed into the vehicle in front of me. The air bags detonated but did not deploy. The steering wheel and both front seat side air bags had some coming but the airbag did not deploy.

Source: NHTSA complaint ODI #11528914 · view all complaints for this vehicle at nhtsa.gov

On XXX | purchased a 2020 Chevrolet Impala, VIN [XXX], from NYS Office of General Services via GovDeals Inventory #200075. OGS Bill of Sale #XXX stated 59,145 miles and Clean Title. Carfax shows: 1. 90,803 miles on 12/16/2024 while in OGS possession 2. Total Loss declared 5/21/2025 3. Accident with rear damage 5/21/2025 not disclosed Actual odometer reading on 7/3/2026: 99,241 miles. OGS rolled back 31,658 miles and sold Total Loss vehicle as Clean Title. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Source: NHTSA complaint ODI #11750719 · view all complaints for this vehicle at nhtsa.gov

I Took My Car To Castle Villa Park On July 8 2025 And Explained To Tony That Check My Car In That It Sound As If It Was A Hub Bearing My Car Was Dropped Off At 7:00 AM Until Around 1:00PM I Was Told I Need A Tire To See If It Was My Hub Bearing Which Didn’t Make Sense To Me So I Ask For A Supervisor I Was Then Inform That They Could Tell If They Switch My Tires Later On I Was Told It Was A Tire Came Took My Car To Firestone This Sat 07/19/2025 I Was Told I Didn’t Need Tires It Is In Fact Both Of My Hub Bearing So I Paid 100.00 Diagnostic Fee To Castle And Risking My Life Driving My Car When They Knew In Fact That It Was My Hub Bearings My Car Is Under Warranty If It Wasn’t They Would Have Fixed It And Charge Me I Am Taking My Car Back Monday I Have Made Several Complaints On This Dealer And Nothing Is Happening This Is Unfair For Consumer To Take Advantage Of Customers

Source: NHTSA complaint ODI #11674888 · view all complaints for this vehicle at nhtsa.gov