Skoda OCTAVIA 2004 Workshop Manual page 98

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Fuel Preparation/Fuel Injection
Removing and installing and test-
ing injectors
Note:
Faulty injectors cause the following problems:
♦ Loss of power
♦ Excessive black smoke in exhaust
♦ Intensified blue exhaust when starting from
cold
♦ High fuel consumption
♦ Engine overheats
♦ Knocking in one or several cylinders
♦ Misfiring
Special tools, testers and aids required
♦ Vehicle system tester V.A.G 1552 with cable
V.A.G 1551/3
♦ Injector tester (e.g. V.A.G 1322)
♦ Delivery pipe V.A.G 1322/2
♦ Torque wrench 5...50 Nm (e.g. V.A.G 1331)
♦ Ring wrench for injection pipes (e.g. 3035)
♦ As need be, puller for valve stem seals MP
1-230 and auxiliary tool
Removing
- Use the ring wrench (e.g. 3035) to detach
the injection pipes.
- If necessary, unscrew banjo bolt for return-
flow pipe (injector of cyl. 3).
Note:
Always remove all of the injection pipes. Do not
alter the shape.
- Unscrew securing bolt, take off tensioning
clamp and remove injector.
- Shop-make the following auxiliary tool for
injectors which are tight:
OCTAVIA
Edition 05.97
S00.5111.51.20