Runtmp
Member
So i got a 11 golf tdi with 49800miles on it.
My dpf light comes and goes(usually on when i start the car but goes away after 10min). Check engine light is on too. The car in Drive or reverse would not go above 1000-1100rpm. Dealer wont look at it since i have put GTI muffler on it even though its still under warranty until Sept 2023, and still want to charge me a kidney and a liver for exhaust replacement when they cant guarantee it'll fix the problem. Vcds comes up with 2 codes p0402 and p1a58 which has to do with excessive flow. So I took off the dpf, intake manifold, egr filter, egr valve, egr cooler, throttle body and have cleaned them very nicely. I cleaned it with this chemical that is used to clean commercial oven burners. After soaking everything for 2 days the solution looks like oil with ash, its very dark....could probably use it as engine oil.
So after everything was cleaned out and put back together still have the same problem. While in park or neutral it reaches 2500rpm easily but in drive or reverse wont go past 1000rpms. Right before the codes appeared i had the fuel system replaced by dealer under warranty because of shavings in fuel filter. And i began to notice that throttle response had a lag.
Im stuck and dont know what else I should check or do. Any suggestions or comments will be greatly appreciated.
Thank you,
Tim
My dpf light comes and goes(usually on when i start the car but goes away after 10min). Check engine light is on too. The car in Drive or reverse would not go above 1000-1100rpm. Dealer wont look at it since i have put GTI muffler on it even though its still under warranty until Sept 2023, and still want to charge me a kidney and a liver for exhaust replacement when they cant guarantee it'll fix the problem. Vcds comes up with 2 codes p0402 and p1a58 which has to do with excessive flow. So I took off the dpf, intake manifold, egr filter, egr valve, egr cooler, throttle body and have cleaned them very nicely. I cleaned it with this chemical that is used to clean commercial oven burners. After soaking everything for 2 days the solution looks like oil with ash, its very dark....could probably use it as engine oil.
So after everything was cleaned out and put back together still have the same problem. While in park or neutral it reaches 2500rpm easily but in drive or reverse wont go past 1000rpms. Right before the codes appeared i had the fuel system replaced by dealer under warranty because of shavings in fuel filter. And i began to notice that throttle response had a lag.
Im stuck and dont know what else I should check or do. Any suggestions or comments will be greatly appreciated.
Thank you,
Tim