I currently have a t25 caravelle with 1.7N/A engine , and have just purchased a 1.6td Sb intercooled engine for a winter transplant. b4 I transplant i'm intending to pop the head and have a good look inside, so will be needing a head gasket. I have read posts in ref to 1.6td head gasket upgrade, can somebody clarify some points - The Bosch diesel injection pumps used by VW in their ALH TDI engines have a fuel shutoff solenoid (N109) which is supposed to cut off fuel to the engine. The engine has been setting a DTC 17946 - Fuel Shutoff Solenoid (N109) P1538 - 35-10 - Open or Short to Ground - Intermittent A look at the VAG group 1.9TDi engine, and the best mods and tuning upgrades for it.Engines covered in this tuning guide include.PRE PD - 1Z, AHU, AGR, AH 2.0 TDI 140-170 tuning; 2.0 TDI tuning (EA188) 2.5 TDI tuning; 2.7 & 3.0 TDI tuning; 2.5 Tdi R5; 3.0 Tdi EA897; Obtaining appropriate customized components for your intended use of the vehicle saves both time and money. Stage 3 motor sport components just do not perform effectively on the road, making driving the vehicle tough. Please view our For instance, the Jetta only offers TDI diesel engines from generation 3 models and on. Eliminating the less efficient non TDI engines. The 1.9 liter TDI is standard in the Jetta if you have the diesel engine option. The fuel injection system is manufactured by Bosch. Specifically designed for clean diesel engines imported to the US in 2008. before you 'tune' try a good service (air & fuel filters) and check the timing. also check the inlet manifold / turbo for leaks (boost) also that the turbo's wastegate is not stuck open.. then check that the exhaust / silencer / cat is not blocked (an often missed cause of performancs loss!) the t4's 1.9td is not the fastest with its 68hp Ok, so I don't like change. If this works out, I intend on having this car (2012 Passat TDI SEL Premium) for a long time. It is replacing my 1998 Tahoe that just turned 419,000 this morning, and is going strong. That 5.7l 350 has never been apart, and I did an oil sampling on my last oil change and the report came back "Okay, we're impressed! You can never run mere 1,9liter diesel at required rpm levels to make compressor work for you. You mention on using a turbo from a 1,6td in your 1,9liter engine. I suggest you drop the idea. The 1,6td unit has a turbine housing of a 0,36 ratio. This will make your 1,9 liter engine perform really well from approxiamately 1000rpm to about 3000rpm. M0pog.

how to tune a vw 1.9 tdi engine