Daewoo CIELO EURO III Manual page 210

1F –42 ENGINE CONTROLS
Step
1. Check the fuel filter for a restriction.
45 2. Inspect the fuel lines for kinks and restrictions.
Is the problem found?
1. Replace the fuel filter and/or the fuel lines as
needed.
2. Connect a fuel pressure gauge.
46
3. Crank the engine.
Is the fuel pressure within the value specified?
1. Disconnect the vacuum line from the fuel
pressure regulator.
2. Inspect the vacuum line for the presence of fuel.
47
3. Inspect the fuel pressure regulator vacuum port
for the presence of fuel.
Is any fuel present?
Check the fuel for contamination.
48
Is the fuel contaminated?
1. Remove the contaminated fuel from the fuel tank.
49 2. Clean the fuel tank as needed.
Is the repair complete?
Replace the fuel pressure regulator.
50
Is the repair complete?
1. Remove the fuel pump assembly from the fuel
tank.
2. Inspect the fuel pump sender and the fuel
51
coupling hoses for a restriction.
3. Inspect the in-tank fuel filter for a restriction.
Is the problem found?
Replace the fuel pump sender, the in-tank fuel filter,
and/or the fuel coupling hoses as needed.
52
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the electrical connector at the fuel
pump.
3. Connect a test light between the fuel pump
connector terminal 3 and a known good ground.
53
4. Turn the ignition ON.
5. With the ignition ON, the test light should light for
the time specified.
Is the test light on?
Repair the open wire between the fuel pump con-
nector terminal 2 and ground.
54
Is the repair complete?
1. Turn the ignition OFF.
2. Disconnect the fuel pump relay.
3. Connect a test light between the fuel pump relay
55
connector terminal 86 and ground.
4. Turn the ignition ON.
Is the test light on?
Engine Cranks But Will Not Run (Cont'd)
Action Value(s) Yes
–
Go to Step 46
283-324 kPa
Go to Step 3
(41-47 psi)
–
Go to Step 50
– Go to Step 49
–
Go to Step 3
– Go to Step 3
–
Go to Step 52
–
Go to Step 3
2 sec Go to Step 54
–
Go to Step 3
2 sec Go to Step 56
No
Go to Step 47
Go to Step 47
Go to Step 51
Go to Step 65
–
–
Go to Step 43
–
Go to Step 55
–
Go to Step 62
DAEWOO T-154 BL2,3