I have a 2013 Veloster Turbo with 64,000 miles. I am the original owner. There are no modifications.
My car would seem normal up to about half throttle. Just when you think it is going to be awesome, the car would jerk and there would be almost no power. I found that it takes a lot to set the fault codes, but I eventually got P0301, P0303 and P0300. I replaced the plugs and the coils. One coil had a burn mark, but I replaced them all. I still had the trouble. I took it to the dealer.
I had cleared the codes after replacing the coils. The CEL was off when I took it in. The dealer said I needed a new turbocharger. It would cost about $2,200 and I would need to pay about $1,700 before they would order the parts. I told them I would think about it. I arrive at the dealership expecting to pay $150 for diagnostics. The guy says maybe it is covered by the warranty. Strange that he didn't think of that before. He fiddles with the computer for about 5 minutes and says it is covered. He ordered the parts and I didn't even have to pay for the diagnostic work. He said he will call me when the parts come in. I will give you an update after the work is done.
The CEL was on when I drove it home. It had a P0234 overboost code. It disables boost if the pressure is above a threshold for a certain length of time. This forum says that a lack of boost can be caused by a bad bypass valve. Now I understand how that can cause overboost followed by no boost. I have also read that a sticking wastegate can cause this problem. I guess the wastegate is part of the turbocharger.
I always worry that the dealer will try to fix a problem by throwing parts at it. I am glad that I won't have to pay for a new turbocharger, but I am suspicious.
Has anyone had experience with P0234? If you had the no boost problem, was there a fault code?
My car would seem normal up to about half throttle. Just when you think it is going to be awesome, the car would jerk and there would be almost no power. I found that it takes a lot to set the fault codes, but I eventually got P0301, P0303 and P0300. I replaced the plugs and the coils. One coil had a burn mark, but I replaced them all. I still had the trouble. I took it to the dealer.
I had cleared the codes after replacing the coils. The CEL was off when I took it in. The dealer said I needed a new turbocharger. It would cost about $2,200 and I would need to pay about $1,700 before they would order the parts. I told them I would think about it. I arrive at the dealership expecting to pay $150 for diagnostics. The guy says maybe it is covered by the warranty. Strange that he didn't think of that before. He fiddles with the computer for about 5 minutes and says it is covered. He ordered the parts and I didn't even have to pay for the diagnostic work. He said he will call me when the parts come in. I will give you an update after the work is done.
The CEL was on when I drove it home. It had a P0234 overboost code. It disables boost if the pressure is above a threshold for a certain length of time. This forum says that a lack of boost can be caused by a bad bypass valve. Now I understand how that can cause overboost followed by no boost. I have also read that a sticking wastegate can cause this problem. I guess the wastegate is part of the turbocharger.
I always worry that the dealer will try to fix a problem by throwing parts at it. I am glad that I won't have to pay for a new turbocharger, but I am suspicious.
Has anyone had experience with P0234? If you had the no boost problem, was there a fault code?