3.0L Symptom-To-Diagnostic Flow Chart Menu
3.0L 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 |
X (52) |
| A/C Not Functioning |
X (50) |
| Low Idle With A/C On |
FA (11) |
| Stumble After Hot Restart |
H (20) |
| Fuel Pump Runs With Engine Off |
X (14) |
| Gasoline Fumes Under Hood |
KD (1) |
| Black Exhaust Smoke |
H (29) |
| Spark Knock |
| 3.0L PFI |
DG (1) |
| 3.0L SHO |
KP (1) |
| No Engine Cooling Fan |
X (40) |
| Low Speed Cooling Fan Does Not Operate High Speed Cooling Fan Does Not Operate Low Or High Speed Cooling Fan Does Not Operate |
X (19) |
| Low Or High Speed Cooling Fan Always On |
X (35) |
| "CHECK ENGINE" Or "SERVICE ENGINE SOON" Light Always On |
ML (1) |
| "CHECK ENGINE" Or "SERVICE ENGINE SOON" Light Never On |
ML (5) |
| "CHECK ENGINE" Or "SERVICE ENGINE SOON" Light On Intermittently |
ML (10) |
| "CHECK ENGINE" Or "SERVICE ENGINE SOON" Light Flashing With Erratic Idle |
ML (15) |
| Lack Of Power At Wide Open Throttle |
KT (6) |