![Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (1.6 l roller rocker finger) > Mixture preparation system, electronic inj.,Gas > Checking components > Checking fuel pressure regulator and holding pressure Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (1.6 l roller rocker finger) > Mixture preparation system, electronic inj.,Gas > Checking components > Checking fuel pressure regulator and holding pressure](https://workshop-manuals.com/volkswagen/golf-mk4/images/golf-mk4-8234.png)
Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (1.6 l roller rocker finger) > Mixture preparation system, electronic inj.,Gas > Checking components > Checking fuel pressure regulator and holding pressure
![My lil' blue MkIV, 1.6SR -99, will fill this thread with bits and pieces that could prove useful for others. | VW Vortex - Volkswagen Forum My lil' blue MkIV, 1.6SR -99, will fill this thread with bits and pieces that could prove useful for others. | VW Vortex - Volkswagen Forum](https://lh4.googleusercontent.com/-GoYj1tMKfAc/T_Ssh8PMfDI/AAAAAAAAAT0/zejGE2hWZJ8/s800/IMG_20120704_214748.jpg)
My lil' blue MkIV, 1.6SR -99, will fill this thread with bits and pieces that could prove useful for others. | VW Vortex - Volkswagen Forum
![Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (1.4 l and 1.6 l engine) > Engine cylinder head, valve gear > Cylinder head > Checking compression > Procedure Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (1.4 l and 1.6 l engine) > Engine cylinder head, valve gear > Cylinder head > Checking compression > Procedure](https://workshop-manuals.com/volkswagen/golf-mk4/images/golf-mk4-9655.png)
Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (1.4 l and 1.6 l engine) > Engine cylinder head, valve gear > Cylinder head > Checking compression > Procedure
![Volkswagen Workshop Manuals > Golf Mk4 > Engine > 4-cylinder injection engine (1.6 l engine) Mechanics > Exhaust system > Secondary air system > Checking secondary air pump motor V101 > Checking activation of secondary air pump relay J299 Volkswagen Workshop Manuals > Golf Mk4 > Engine > 4-cylinder injection engine (1.6 l engine) Mechanics > Exhaust system > Secondary air system > Checking secondary air pump motor V101 > Checking activation of secondary air pump relay J299](https://workshop-manuals.com/volkswagen/golf-mk4/images/golf-mk4-2551.png)