VW 1.9 BLS. Sep 17, 2017. #1. Hello my friends! I want to put some more horse powers on my tdi VW with 1.9 BLS engine. Few months ago I've made a remapping up to 145hp , but now I am ready for the next step and would like to have a little bit more, may be go up to 200-220hp. Aim is to keep vehicle's look close to the stock, less smoke, good Volkswagen Jetta TDI. Perhaps the most familiar of the TDI cars is the VW Jetta TDI. These cars, including the sports utility vehicle known as the Jetta Sportswagen TDI, all have a good fuel efficiency from their 2.0 engine. This car came out on top of a survey which calculated how much diesel cars saved over 5 years compared to their gasoline Location. Moore Ok, Buffalo, Johnson City. TDI. 99 Beetle. Apr 16, 2015. #1. I'm going to attempt tuning my alh myself. Goal is to have fuel and timing completely controlled off boost and throttle position. EGR, MAF, IAT will be tuned out. 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. The average shop labor rate is $75 - $200 per hour. The lesser amount is often found in smaller cities and the more expensive labor rate seems to align itself with larger cites. Depending on shop rate, technicians experience, and the amount of VW timing belt parts being replaced it can cost approximately $600 - $1,600. 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 Started the engine with enthusiasm, and after 5 – 10 minutes the rough idle started again. Since the smooth idle control (IQ) was reading from 2.8 to 4.8 mg/str erratically only on idle, and it would smooth out on higher revs, next thing I did was to replace the needle sensor – third nozzle from a working TDI ALH, and nothing. We look at your best mods and upgrade options for your ALH 1.9 TDi engine,. We show how to make more power and tune this great engine with turbo upgrades, remaps, intercoolers, differentials and few other choice mods. wzbG.