Volkswagen Tiguan misfire problems

Filed Oct 10, 2026 · Electrical, Engine · IN

Within 6 months of purchasing car CPO from dealer, car went into limp mode. Was less than 35k miles, still having same issues at 85k miles. Took to dealer, they said nothing was wrong with car. Car began to have ECU light come on frequently in the middle of driving, took back to dealer. They replaced the fuel injector harness under warranty. Began to have issues with fuel injector misfires, car stalling and lagging at stop signs, sputtering when given gas. When driven for long periods at a time, would intermittently not start. Took back to dealer within a year, spent 1800 on maybe fixes, modules and carbon filter replacement. Same issues. Took back again, spent another 1800 replacing modules. Same issues repeated. Took to a european car specialist as we were frustrated with not getting the vehicle properly fixed for years at the dealer, had the engine walnut blasted for any carbon buildup and fuel injectors cleaned, they diagnosed and said the fuel rail harness is bad. Took back to Volkswagen, they re-evaluated and said there was no issue- my husband had to explain to them that there was a repair just done so code reading would not be sufficient and they needed to get under the car and use a multimeter to diagnose the wiring harness. Service team needs additional training- after doing so they found the fuel harness used may in fact be bad and replaced it a second time. Called VW corporate who was no help and told me we are at the discretion of the dealer and they years of the same issues are just what happens at times when the vehicle is out of warranty. There are thousands of reports online- I have been out of use of the vehicle for at least 6 months in my 5 years of ownership. I cannot believe that VW has consistently faulty product relating to the fuel rail system and has not recalled the vehicles.

Filed Sep 23, 2026 · Engine · KS

We have to add 1-2 quarts of oil every 600 miles. Our check engine light came on 02/2026 for carbon buildup. We had it cleaned, had timing chain replaced, piston rings, oil valves, manifold. Cost us $5300. The car ran fine before the light came on and all of a sudden it started making grinding noises and idling rough. We change the oil every 3,000 miles and the car burns through oil constantly. Our car stalled 4 times on the highway since then almost causing wrecks, it runs rough and now our check engine light is back on for the same issue. It’s causing emotional and financial distress. There are multiple lawsuits pending for this but something needs done. This is exhausting.

Filed Aug 5, 2026 · Engine, Fuel system · MD

My 2014 Tiguan, VIN [XXX], has been serviced at an authorized VW dealer since I purchased it. From 2014 to December 2025, the vehicle was serviced at a VW dealer and March 2026 to present at a service facility that only works on VWs and is owned and operated by a prior VW certified technician who only works on VWs. My vehicle has been serviced at all the VW recommended maintenance mileage. Looking back at the maintenance records, I can see that in March and August 2025, my vehicle experienced a check engine light issue that resulted in EVAP system small leak fault and vibration at start up caused by misfire cylinder. In April 2026, June 2026 and July 2026, I had to take my Tiguan in because I felt the engine shake, check engine light came on and power decrease. The VW technican replaced some components related to the turbocharger system in April and the check engine light turned off. The check engine light turned back on in June in June and July 2026. The technician stated the issue was likely a airflow flap within the turbocharger causing the issue and the entire turbocharger would have to be replaced to remedy the issue. I discovered the recent class action settlement on this same issue and shared it with my mechanic. His professional opinion was that the issues I was having were exactly what was covered in the settlement covering my vehicle but i had 94k miles and had to have less than 85k miles. So, I was not covered because of the mileage. But I believe the issues the vehicle had going back to March 2025, were all turbocharger issues. In any case, my mechanic reached out to VW to get assistance because of the mounting repair costs for me and for all of his other VW owners experiencing turbocharger defects. It is my hope that others have shared similar complaints in search of relief from the federal safety agency investigating the defective VW turbocharges. VW has a negative track record on it's turbochargers. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed May 11, 2026 · Engine · FL

On April 19, 2026 at approximately 9:40 PM, I was driving my leased 2024 Volkswagen Tiguan southbound on [XXX] [XXX] . I had three minor passengers with me — my daughters ages [XXX] and [XXX] , and their stepsister age [XXX] . We were returning home to [XXX] from a family trip to Walt Disney World. Without any warning — no dashboard lights, no sounds, no hesitation — the engine completely lost all power at highway speed. I pressed the gas pedal repeatedly with full force and there was absolutely no response. The car decelerated uncontrollably in active nighttime highway traffic. We were stranded on the highway shoulder for approximately one hour before the car restarted. I drove home on side roads. This is a recurring defect. In December 2025, I brought the vehicle to Gunther Volkswagen of [XXX] , where it was documented on official repair order RO#XXX that the vehicle ‘SHUTS OFF AT LOW SPEEDS.’ The dealer replaced the EVAP canister and N80 purge valve under warranty. The defect was not resolved. In May 2026, an independent professional diagnostic by 4 Rings European using an Autel MaxiSys Ultra scanner (Report ID: XXX) found 30 stored fault codes across 19 vehicle systems, including fault code P253200 (Ignition Switch Run Position Circuit High) — directly consistent with the sudden engine cutout — plus active cylinder misfires on cylinders 2 and 3, three active EVAP system fault codes confirming the December 2025 repair failed, and a compromised airbag system (U140000 — function restriction due to low voltage). The vehicle was subsequently taken to Gunther Volkswagen of Coconut Creek again in May 2026, where the dealer diagnosed low voltage faults and replaced the battery under warranty. This is the second warranty repair attempt for recurring defects on this vehicle. I have filed a formal evidence preservation demand with Volkswagen Group of America’s General Counsel. I have also filed a BBB AUTO LINE arbitration INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Apr 22, 2026 · Engine, Fuel system · AR

First purchased this car from a dealership in 2023, used at128,051 miles. Did not have any problems with it in the first year I would say. Then suddenly while driving down the road the epc light would come on limiting my speed to 4,000 rpm. It would come on and off also causing my check engine light to come on and off. It has now become more frequent, the epc and check engine lights will come on and off creating a major hazard while driving. Got it scanned while the check engine light was on and it ran a code for a cylinder 4 engine misfire from my fuel injector wiring rail harness. It looks to be a common problem with this model but it’s showing my vin is not attached to a recall.

Filed Apr 1, 2026 · Engine · PA

On March 12 warning message came on saying emergency drive system not available and then numerous warning lights came on and the car started to shake violently and went into limp mode. I pulled into a parking lot and called roadside assistance. It was towed to the dealership and has been there since. I was told it showed a misfire on cylinder 4 and has a faulty injector.

Filed Dec 11, 2025 · Airbags, Driver assistance · FL

One time the car Just Lost power on the freeway and the e-card engine light came on and the cat Ran rugh and stalled and jerked hard almost causing me to cause a serious accident...I took it to vw and explained the severity and they bypassed that And installed a new water pump..2months later the same thing happened exactly to where I was very lucky and very upset...and took it to them once again and explained more issues where I'm urging . As to the front warning light and motion has came into play a few times witch was shocking...also the car would be on slow mo mode....and constant warning lights would come on the dashboard as well as the car would feel so unstable and Feel as if it were On gear 1/L while in the drive position...also the Eco turn of feature would playout ..and stall from time to time..then the car would get stuck on speed when foot would come off the accelerator to brake before a stop sign or red light intersection witch just started to concern me and I again took these concerns to Rick case vw and They thought I was inventing this story..then the car leaked coolant..and it rusted out the whole bottom of my car ..hoses...and they replaced the thermostat this time around and now the car has misfired..could not start ..idle was ver rough and just vibrated dramatically and damaged coils and spakplugs and blew out fuel inject #2 and can't hold pressure past 30 ..changed out the spak plugs and coils and the car is just crippled and its a safety hazard and in many occasions has almost caused me to cause a serious accident...

Filed Dec 5, 2025 · Engine, Transmission · UT

“Brand-new 2026 VW Tiguan experienced sudden violent shaking, loss of power, and multiple warning lights within 24 hours of purchase. Dealer confirmed cylinder 1 misfire but could not identify root cause. VW insists vehicle is safe to operate despite no explanation for failure. Vehicle is being returned without root-cause diagnosis.”

Filed Jul 19, 2025 · Fuel system, Transmission · GA

Subject: Known Carbon Buildup Issue in 2016 Volkswagen Tiguan TSI – Request for Recall and Accountability To Whom It May Concern, I am writing to formally express my concern and request action regarding a well-documented and dangerous issue affecting Volkswagen TSI engines—specifically, severe carbon buildup. I am the current owner of a 2016 Volkswagen Tiguan TSI, which I purchased in April 2025 with approximately 84,000 miles on it. In June 2025, I had to have the intake manifold replaced due to carbon buildup—a repair that was still covered under warranty. However, shortly after, I was informed that the vehicle now requires a full engine decarb and replacement of all four fuel injectors, at a total cost of $3,296. This raises several serious concerns: •Carbon buildup this severe at such low mileage is not typical wear and tear. It indicates a design flaw in the TSI direct-injection engine. •My extended warranty provider refuses to cover the repair, citing that it is a maintenance issue—conveniently shifting the responsibility away from the manufacturer. •This type of engine failure can result in dangerous performance issues, including: •Sudden engine misfires •Loss of power while accelerating •Poor fuel economy •Stalling or hesitation while merging or turning •Catalytic converter damage •Potential long-term engine failure I am stunned that this is not considered a safety issue worthy of recall, especially given the number of reports online and in service centers regarding this exact problem. The symptoms of carbon buildup can easily result in on-road danger to the driver and others. What’s most disheartening is that Volkswagen has long been aware of this flaw, yet no recall or extended warranty has been offered for affected consumers. I previously owned a 2015 Passat and was a loyal VW owner—but now, as a single mother, I am expected to pay nearly $3,300 for a repair tied to poor engineering and design, not misuse or neglect.

Filed Jul 16, 2025 · Engine · VA

I am experiencing a high oil consumption rate on my 2023 VW Tiguan. VW claims that the rate of consumption is within the 1 Quart every 1200 miles limit, but 3500 miles after an oil change, the check engine oil light came on and I had to add oil. 2000 miles later, it came on again and I had to add oil again. In a 10,000 mile oil change rated car, this would equate to adding 8-9 quarts of oil between changes. This is not normal oil consumption. The effects of increased emissions and premature fouling of the catalytic converter system alone is cause for concern, or the possible loss of engine power on the highway due to failure from lubrication loss, resulting in an accident. The car will emit blue/white smoke from tailpipe and rough idle randomly when the cylinders are overloaded with oil.