P04F0 fault code: what 8 owners reported

I own a 2023 Volkswagen Tiguan (EA888 2.0L). The Check Engine Light has repeatedly illuminated, and multiple scans show recurring EVAP/emissions and network communication faults: P04F0 (EVAP purge line A performance) and P0451 (fuel tank pressure sensor range/performance), along with U1111 00 (“function limitation due to missing message”) and U1123 00 (“databus error value received”). While drivability may seem normal at times, these faults persist and clear/recur, raising concerns about fuel-vapor containment/emissions compliance and potential intermittent loss or limitation of vehicle electronic systems/driver-assistance functions due to CAN-bus communication errors. I’m reporting this…

What component or system failed or malfunctioned, and is it available for inspection upon request? AutoNation Ford Corpus Christi found purge valve making abnormal clicking sound, valve sticking and closed. I replaced the valve with a new OEM part. Code P04F0 came off but vehicle would still lag and sputter when accelerating. How was your safety or the safety of others put at risk? feels like vehicle can hesitate or stop while accelerating and get rear ended Has the problem been reproduced or confirmed by a dealer or independent service center? Took vehicle back to AutoNation Corpus Christi and the tech's cannot find anything wrong with the vehicle but there is definitely an obvious issue…

Lo que pasa es que se prende la luz del check engine por unas horas y se apaga pero la falla siguen en el vehículo y el código que marca cuando lo cheque P04F0 es una válvula de emisión evaporisantes en una FORD ESCAPE 2020, si tiene la falla por que se apago el check engine cuantos automóviles estén pasando por lo mismo y estén contaminado el medio ambiente gracias( Ford me va a cambiar la válvula que esta cubierta por garantía)

Im being told my car is not covered under the recalls from the Chicago Ford plan when I have the exact same DTC codes currently showing on my car as listed in the recall and SSM. The check engine light is on with DTCs P018C and P04F0. Please have the technician specifically reference Ford Special Service Message (SSM) 51247 and inspect connector C1198 on the driver's side frame rail for water intrusion, damaged terminals, or poor pin fit before replacing any parts. Also, please check my VIN for open Recall 22C02 (Fuel Filler Tube End Form) and perform the recall if applicable. If the P04F0 is related to the recall, please diagnose and repair accordingly. combination of P018C + P04F0 is still…

Vehicle check engine light came on early August 2024. Vehicle was brought in for service and checked for codes. B1F4500 Battery has excessive resistance B21059A The operating conditions of component have not been satisfied. Battery was replaced and rechecked. Po4427A Evap leak detected P04F000 Charcoal canister has a malfunction Smoke tested EVAP system to see if there was any leaks and tested the valves to make sure EVAP system was working correctly. Charcoal canister not actuating correctly so was replaced and checked. Gas cap also replaced Several days later Check engine light returns. Code continues to say "Small leak in the EVAP system." Every time the code is cleared it returns and…

VW Tiguan lost significant acceleration while driving on the highway. Vehicle check engine light came on. Felt like vehicle was going to stall and decelerated to a below highway required speed. Vehicle was inspected by a VW authorized service center and . Verified GFF found DTC's P0431, P04F0, P24D6, and P2101 were in fault mode. Significant oil leak also occurred. Failed component was crankcase pressure regulator and lower oil pan and gasket (due to increased pressure from failed PCV valve.) This was of great concern as the deceleration was significant while on the highway which could cause potential life threatening accidents.

Engine oil light came on and car was down about 2 quarts of oil AGAIN. Car was last serviced as noted below VW service 11/22/2024 Mileage in 62086 Mileage out 62087 (what kind of test drive was this, less than a mile) ?? 2021 VW Tiguan Service Advisor 413 Montpelier VW 802-223 -3434 ____________________________________________________________ A C/S: Check Engine light is no CEL Default 1000 CP606.33 1.1 06M-906-517-E VALVE 32.67 2.1 06Q-103-495-B SEPARATOR 93.74 3.2 06l—103-583-C GASKET130.06 4.1 06L-103-483-a GASKET 77.20 PARTS: 333.67 LABOR: 606.33 OTHER: 00.00 TOTAL line A $940.00 620000 P04F000; EVAP system high pressure purge line performance Checked purge valve and found oil in line…

11/19/2024 Check engine light came on while I was driving. Got home, checked oil and it was down about a quart. Oil had just been changed on 10/17/2024. Only approximately 1800 miles put on vehicle since last oil change. Vehicle was at approximately 62,000 miles. Also tire pressure light always on. Scheduled appt with VW dealer. Dealer invoice states "P04F000 Checked Purge valve and found oil in line, due to Defective crankcase breather, and causing an oil leak, replaced crankcase breather, replaced the EVAP purge valve and replace the upper timing cover gaskets. cleared oil off engine and test drove". the engine could have blown while I was driving this, I had no previous warning signs and…