Isuzu 1999 RODEO Workshop Manual page 984

Step
11 1. Remove the spark plugs and check for gas or oil
fouling cracks, wear, improper gap, burned
electrodes, heavy deposits, or improper heat range.
2. If spark plugs are fouled, the cause of fouling must
be determined before replacing the spark plugs.
Was a problem found?
12 Check for a loose ignition control module ground.
Was a problem found?
13 1. Check the ignition coil secondary resistance.
2. Replace the coil if it is not within the specified range
of resistance.
Did the coil require replacement?
14 Check IAC operation. Perform the procedure in the
diagnostic chart DTC P0506, Step 6.
Was a problem found?
15 Check for water or alcohol contaminated fuel.
Was a problem found?
16 Perform the procedure in Fuel System Pressure Test to
determine if there is a problem with fuel delivery.
Was a problem found?
17 Check for the following engine mechanical problems
(refer to Engine Mechanical):
f
Low compression
f
Leaking cylinder head gaskets
f
Worn camshaft
f
Camshaft drive belt slipped or stripped
Was a problem found?
18 1. Review all diagnostic procedures within this table.
2. If all procedures have been completed and no
malfunctions have been found, review/inspect the
following:
f
Visual/physical inspection
f
Tech 2 data
f
Freeze Frame data/Failure Records buffer
f
All electrical connections within a suspected
circuit and/or system
Was a problem found?
RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
Action Value(s) Yes
— Verify repair
— Verify repair
9 kW–12 kW Verify repair
— Verify repair
— Verify repair
— Verify repair
— Verify repair
— Verify repair
6E1–357
No
Go to Step 12
Go to Step 13
Go to Step 14
Go to Step 15
Go to Step 16
Go to Step 17
Go to Step 18
Contact
Technical
Assistance