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Trouble Code-To-Test Menu

TEST IDENTIFICATION CHART

Code

DR Test No.

System Test

N/A

1

Checking diagnostic system for fault codes

N/A

2

Checking computer components

11

3

Oxygen solenoid system check

13

4

V.O.S. control solenoid system check

16

5

Fan relay check

17

6

Throttle control solenoid system check

18

7

Canister purge solenoid system check

22

8

Oxygen feedback system check (lean)

23

9

Oxygen feedback system check (rich)

24

⁽¹⁾

Vacuum sensor check

25 or 26

10

Coolant sensor circuit check

28

11

Speed sensor circuit check

32 or 33

⁽¹⁾

Computer check

N/A

12

Checking for no code 88

N/A

13

Choke system check

N/A

14

Checking choke vacuum

N/A

15

Heated air intake system

N/A

16

Engine cooling fan sensor

N/A

17

EGR system CVSCC valve

N/A

18

Choke position check

N/A

19

Checking for fuel fouled spark plugs

N/A

20

Bowl vent system check

N/A

21

Carburetor switch check

N/A

22

Coolant sensor calibration check

N/A

23

Choke system check

N/A

24

Carburetor idle system check

N/A

25

EGR system check

N/A

26

Air switching system check

N/A

27

Solenoid kicker system check

N/A

28

Carburetor bowl vent system check

N/A

29

Heated air intake check

N/A

30

Vacuum transducer check

N/A

31

Solenoid kicker operation check

N/A

32

Driveability test

N/A

33

Basic ignition timing check

N/A

34

Engine idle system check

N/A

35

Driveability test

⁽¹⁾	Replace the computer.