For 1990-2009 cars

#### Dieseling, Run-On

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
DEFINITION: Engine continues to run after key is turned OFF, but runs rough. If engine runs smoothly, check the ignition switch and ignition switch adjustment. Refer to Ignition Switch in Steering Column Repair.
1 | Was the Powertrain On-Board Diagnostic (OBD) System Check performed? | -- | Go to Step 2 | Go to the Powertrain On Board Diagnostic (OBD) System Check
2 |

1. Perform a bulletin search.
2. If a bulletin that addresses the symptom is found, correct the condition as instructed in the bulletin.

Was a bulletin found that addresses the symptom?

--

Go to Step 6

Go to Step 3

3 | Was visual/physical check performed? | -- | Go to Step 4 | Go to Visual/Physical Checks
4 |

1. Check for a short between B+ and any of the ignition feed circuits. Refer to Fuse Block Details in Electrical Diagnosis.
2. If a problem is found, repair as necessary.

Was a problem found?

--

Go to Step 6

Go to Step 5

5 |

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:

• | Visual/physical inspection. Refer to Visual/Physical Checks .

• | Scan tool data. Refer to Engine Scan Tool Data List .

• | Freeze Frame data/Failure Records data.

• | All electrical connections within a suspected circuit and/or system.

3. If a problem is found, repair as necessary.

Was a problem found?

--

Go to Step 6

Review technical bulletins

6 | Operate the vehicle to duplicate conditions present when the original symptom was noted. Is symptom still present? | -- | Go to Step 3 | System OK