Bumping this thread. I've been running the Whitbread Containment kit on a 2014 Sportwagen TDI CJAA DSG with Tunezilla "Stage 2.5"
I've been getting P0088 codes for Rail/System Pressure Too high both at coasting and when driving aggressively, especially once the car is fully warmed up.
I'm getting freeze frame data and a logging run for them.
Since the car has over 195k miles I started swapping some parts:
Downpipe
Stock CR140 Turbo (old turbo had minor shaft play)
EGR Cooler Removal and Coolant flush
O2 (Lambda) sensor
Primary EGT Sensor in the turbo manifold
N75 valve and all vacuum lines
2200-BAR Rail Pressure Sensor
MAF
Mann OE Air Filter
Liqui Moly Motor Flush and Oil change every 7000 miles or annually
DSG Service and Uprated DSG Heat Exchanger
EGR Cooler Removal and Coolant flush
Fuel filter changed every 14,000 miles (every other oil change or annually)
...
The Fuel Metering Valve, MAP sensor, and rail pressure relief valve are original. Valve cover and injectors are original. Timing was done at 131k miles.The intercooler was replaced under warranty about 2 years ago at 165k miles.
I'm planning to swap in the Kerma Boost hoses, CKRA intake manifold to remove the swirl flaps, EGR Valve Race Pipe, and new ASV/Regulating flap gasket. . Will probably do the thermostat housing and Serpentine Belt Tensioner then.
Don't worry, all the good parts are finding other homes!