VW Touareg Misfire & Stalling: Fuel Injector Warning

Had almost identical issues with a VW Tiguan 2013 gasoline model last winter, and based on my experience with several VW repairs, I can share some insights. The symptoms you describe match exactly what I experienced, poor performance, increased fuel consumption, and those annoying cold start misfires. My mechanic performed a complete injector cleaning service after diagnostic tests showed dirty injection valves were causing irregular fuel spray patterns. The cleaning service resolved my emissions issues and restored normal engine performance. Total cost was 515€ including diagnostics and cleaning of all injectors. Important to note, simply replacing parts without proper diagnosis could mean unnecessary expenses. Before suggesting specific solutions, could you provide: Current mileage, Service history, especially fuel system maintenance, Check engine light status and any error codes, Type of fuel you typically use, When symptoms first appeared This information would help determine if your situation matches what I encountered and whether an injector service might solve your problems. Modern gasoline engines are sensitive to injector conditions, and proper diagnosis is crucial for optimal performance.

My mileage is 23632km and the last service was done 3 months ago. Thanks for sharing your repair experience. The symptoms match exactly, particularly the poor cold start performance and rough idling. This makes me more confident about the fuel injector diagnosis. The check engine light started flashing last week, and the vehicle misfire became more noticeable, especially during morning starts. I use premium fuel exclusively, but the emissions and performance issues persist. Before investing in a complete injector replacement, I will request a diagnostic test to confirm the clogging pattern matches your case. Spending 515€ on cleaning sounds more reasonable than full replacement if it resolves these issues.

Based on your details, this sounds almost identical to what I experienced. The check engine light flashing is actually a crucial indicator, in my case, it also started intermittently before becoming constant. Given your recent service history and relatively low mileage, injector clogging is even more likely the culprit rather than complete injector failure. My repair involved a professional fuel system cleaning which resolved both the engine performance issues and emissions problems. A few observations from my repair experience: The diagnostic test revealed carbon buildup was causing irregular spray patterns, Clogging was affecting fuel atomization, leading to incomplete combustion, Multiple injector replacement would have cost over 2000€ Important note about the repair process: After the initial cleaning service, it took about 100km of driving for the engine management system to fully readjust and optimize performance. The immediate improvement was noticeable, but full power restoration took a few days of regular driving. Consider requesting a fuel pressure test alongside the injector spray pattern analysis, this combination helped identify the exact nature of clogging in my case and confirmed cleaning would be sufficient instead of replacement.

Thanks everyone for the detailed feedback. A quick update: took the car to the workshop yesterday, and they confirmed injector clogging through diagnostic testing. The spray pattern analysis showed irregular fuel distribution, just as mentioned. The mechanic performed a thorough fuel system cleaning service, costing 490€ total. After about 80km of driving, the engine performance has significantly improved. The cold start issues are completely gone, and fuel consumption is getting back to normal levels. No more check engine light or misfires. Really glad I went with the cleaning service first before considering full injector replacement. The emissions test they ran after the service showed everything is back within normal parameters. For anyone facing similar issues, definitely worth getting the diagnostic tests done before jumping to expensive parts replacement. The cleaning service solved all the performance problems at a fraction of the replacement cost. Will monitor the situation over the next few weeks, but so far the repair solution suggested here worked perfectly.