190204c Electronic Fuel Sysrem Diagnostics

Question 1

Damaged wire harnesses should be

Answer 1

Replaced

Question 2

When diagnosing a electronic fuel system, familiarize yourself with the system and?

Answer 2

Reviewing the manufactures service information

Question 3

The best place to get information on potential problems is?

Answer 3

The operator

Question 4

Process of testing a electronic fault code?

Answer 4

Check sensor, check wiring, clear code

Question 5

Installing injectors you can use a?

Answer 5

Drift punch and hammer on the body of the injector

Question 6

If fuel isn’t drained during EUP replacement common gallery?

Answer 6

Fuel could end up in engine oil

Question 7

What is a wiggle test?

Answer 7

Wiggling the wires to check for loose connections or if the problem occurs in a certain position

Question 8

Fuel galleries in head must be ——- before injectors are removed

Answer 8

Drained. Fuel could leak in into cylinder an cause a hydraulic lock

Question 9

HEUI systems require ———before injects are removed

Answer 9

Draining of the fuel gallery and the oil gallery

Question 10

Before removing rocker assemblies

Answer 10

Back off adjusting screw for valves