With an unmodified 1.6 NA engine, you can get either 35 US MPG or 55 US MPG - it all depends on your maintenance, vehicle setup (weight, tires, etc.), and your driving style. Driving 55 MPH vs. 80 MPH on the highway makes a huge difference in fuel economy. The stock 1.5L to 1.9L NA diesel engine is capable of both speeds. Models: 1995-1997 VW Passat 95 1995 96 1996 (1.9 Liter DIESEL.ENG. 1Z AHU) Part Description: F 3A-V.080 001>> to be used for: Extra Description: 028 906 021 GQ Models: 2002-2003 VW Golf (Made in Brazil) (1.9 Liter diesel eng.+ ALH) Part Description: injector complete Models: 2004-2007 VW Golf (Made in Brazil) (1.9 Liter diesel eng.+ ALH) Models The 850/V70 had the 140bhp version of the 5cyl VW 2.5tdi. If anyone knows of information how to tune that engine to perform mpg like the 1.9tdi let me know - all my experience has lead me to believe it's at least 10mpg behind (the A4 & A6 have both engines and I'm pretty sure the 2.5 sups a lot more juice for the same driving style). VW TDI Discussion Areas TDI 101. Got a simple/basic TDI question? Are you a newbie (new to the forums). VW TDI Search Engine. whalleyz; Sep 3, 2015; 2. Replies 31 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! . 1.9 TDI PD 84 bhp. The Transporter T5 84bhp variant is a factory detuned version of the 102bhp model, this enables us to provide 102bhp and 184lbft as a stage 1 remap for those who want factory standard specs or 160bhp and 248lbft for those wanting the best from their engine. The TDi engine fitted to the T5 is almost identical to that fitted to Re: T4 1.9 TD ABL idles too fast. « Reply #4 on: November 03, 2020, 07:14:27 pm ». Red arrow points at the vertically oriented 'high idle' screw. That is the idle setting when the cold start lever is pulled. Yellow arrow points to the vertically oriented 'slow idle' screw. That sets the idle when the cold start lever is pushed in. 2006 Volkswagen , VW Jetta 1.9 TDI , Diesel , Engine Speed sensor , Crank position sensor, Crankshaft position sensor, Code P0726, How to replace Crank posi VW Passat Tuning mods and upgrades. Most of the following engines have been used as swaps on the Passat B5 with varying degrees of complexity, but see the engine-specific tuning guides for more on these fabulous engines and which are the best tuning mods for them. 1.4 1.5 TFSi tuning. 1.4 TSi/TFSi/Twincharge tuning. Description: A3 E SPORT TDI Steering Position: Right Hand Drive Body: Hatchback Doors: 5 Doors Drive: Front Transmission: Manual Gears: 5 Gears Engine Size: 1.9 litres Exact CC: 1896 Fuel: Diesel Fuel Delivery: Turbo Valves: 8 Valves BHP: 103 KW: 76 Engine Code: BLS Cylinders: 4 Cylinders Weight: 1880kg Others: VIN Engine Number: BLS 798585

how to tune a vw 1.9 tdi engine