3.8L Symptom-To-Diagnostic Flow Chart Menu
3.8L EEC-IV SYMPTOM DIAGNOSTIC
| Symptom |
Go To: Circuit Test (Step No.) |
| Engine Runs Rough Or Misses, Lack Of Power, Idle Erratic, RPM Surges, Hesitation |
S (2) |
| Stalls In Self-Test, Engine Stalls |
S (1) |
| Stall During Parking Maneuvers |
FF (3) |
| A/C Does Not Cut Off Under WOT Condition |
| Except 3.8L RWD PFI Models |
X (52) |
| 3.8L RWD PFI Models |
KM (15) |
| A/C Not Functioning |
| Except 3.8L RWD PFI Models |
X (50) |
| 3.8L RWD PFI Models |
KM (1) |
| Low Idle With A/C On |
| High Idle In Drive (3.8L RWD PFI A/T) |
FA (11) |
| Stumble After Hot Restart |
FA (20) |
| Fuel Pump Runs With Engine Off (SC Models) |
H (20) |
| Gasoline Fumes Under Hood |
J (22) |
| Black Exhaust Smoke |
KD (1) |
| Spark Knock (SC Models) |
H (29) |
| Low Speed Cooling Fan Does Not Operate High Speed Cooling Fan Does Not Operate Low Or High Speed Cooling Fan Does Not Operate |
KP (1) |
| Low Or High Speed Cooling Fan Always On |
X (19) |
| 3.8L AXOD PFI |
X (35) |
| 3.8L SC PFI |
X (38) |
| High Boost Pressure (SC Models) |
KS (6) |
| Shift Indicator Light Always On Or Off (SC Models) |
KL (1) |
| "CHECK ENGINE" Or "SERVICE ENGINE SOON" Light Always On |
ML (1) |
| "CHECK ENGINE" Or "SERVICE ENGINE SOON" Light Never On |
ML (5) |
| "CHECK ENGINE"/"CHECK DCL" Message On (AXOD Models) |
ML (25) |
| "CHECK ENGINE" Message On (AXOD Models) |
ML (20) |
| "CHECK ENGINE" Or "SERVICE ENGINE SOON" Light On Intermittently |
ML (10) |
| "CHECK ENGINE" Or "SERVICE ENGINE SOON" Light Flashing With Erratic Idle |
ML (15) |
| Vehicle Tach Not Operating (SC Models) |
N (3) |