What should the Passat TDI be on a Jetta?
The best value is about 0-0.5. The Passat TDI appear to like about 0-0.5. Jetta TDI appear to like .5-1.0. A little higher by 0.5 is fine because torsion tends to slightly retard as the belt ages.
Does your VW TDI diesel engine hiccup or hesitate when?
Leo C Huppert on February 16, 2019: VW 2015 TDI PASSAT, 45 K THROTTLE HESITATION WHEN ENTERING FREEWAY SPEED MERGING WITH TRAFFIC PRESS THE THROTTLE NOTHING THERE ITS FLAT STAYS SAME SPEED.TOOK IT TO VW dealer computer shows nothing , ???? Leo C Huppert on February 15, 2019:
What causes hard start on Pumpe Duse TDI?
The camshaft sprocket has an adjustment range to adjust torsion or idle stabilization. This adjustment can drift over the life of the timing belt on pumpe duse TDI engines which is a common cause of rough idling and hard start.
How to adjust rough idle and camshaft timing on VW and Audi?
The car’s computer can adjust the amount of fuel injected to stabilize idle. A value more than +/- 0.5 would indicate a problem. You could try filling the fuel filter with a can of diesel purge and running it like that to clean out the injectors. Shut off the engine and the car.
What kind of engine does a VW Jetta have?
Shown is a 2006 VW Jetta TDI but other SOHC engines are the same. If you’re not sure if your engine is pumpe duse, see 1000q: pumpe duse vs. common rail and direct injection. All TDI model year 2004 -2008 sold in North America were pumpe duse.
What kind of ECU does a VW Jetta have?
Below, we’ll explore some of the most proven aftermarket parts available for these loveable little TDI’s. The quickest, easiest way to wake up the ALH 1.9L TDI diesel in ’99-’03 Jettas is to reprogram the ECU. Big names in the tuning game for these cars are Kerma TDI, Malone Tuning, Rocket Chip Performance and TD Tuning.
Which is better VW Jetta 01J or 02j?
With the 02J five-speed manual being a much more reliable option than the four-speed 01M automatic offered in the ’99-’03 Jetta TDI’s, most enthusiasts row their own gears. However, as soon as the first nozzle upgrade is performed the OEM clutch can begin to slip.