How do you find the ALH time?
Check ALH Injection Pump Timing
- Turn on the vehicle and open VCDS.
- Click on 01-Engine.
- Click on 04-Basic Settings.
- In the group field, enter “00” and “GO” button.
- A new window with a graph will appear.
- Select the Mk4 ALH Engine in the drop down on the bottom right.
- Read the graph to determine your timing:
What is IQ adjustment?
Fuel injection quantity (IQ), the amount of fuel injected into the engine with each stroke, is adjustable in your TDI. It’s recommended to check IQ anytime after adjusting fuel nozzles, power chip, or if you just want to adjust the car’s level of smoke/power/economy.
Is the timing belt on a 1.9 TDI engine?
Unfortunately, this is a common problem in not just 1.9 TDI’s but a lot of Audi/VW engines. The timing belt specifically in the 1.9 TDI drives the cylinder head, injection pump, camshaft, and the crankshaft to ensure they are in sync. It also drives the water pump of your engine.
What makes a 1.9 liter TDI engine pump injection?
Trapezoidal Piston and Connecting Rod To accommodate the higher combustion pressures in the 1.9-liter TDI engine with pump injection system than are encountered in the base engine, the piston hub and the connecting rod eye are trapezoidal in shape. SSP209/007 5 Engine – Mechanics
What kind of pump injection system does VW use?
In association with Bosch, Volkswagen has succeeded in developing a diesel engine with a solenoid valve controlled pump injection system suitable for use in passenger cars. The 1.9-liter TDI engine with the new pump injection system meets the stringent demands for improved performance and cleaner emissions.
Can a 1.9 m-TDI pump run an ahu / 1Z?
New 1.9 M-TDI Pump. This is a mechanical pump that can run the 1.9 TDI engines. This pump is based off of the 1.9 AAZ Pump Body, so it will bolt on to the 1.9 AHU/1Z engine without modification. You will need the 1.9 AAZ sprocket or the MTDI sprocket.