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5.0L Symptom-To-Diagnostic Flow Chart Menu

5.0L EEC-IV SYMPTOM DIAGNOSTIC

Symptom Go To: Circuit Test (Step No.)
Engine Runs Rough Or Misses, Lack Of Power, Idle Erratic, RPM Surges, Hesitation (1) S (2)
Stalls In Self-Test, Engine Stalls S (1)
A/C Does Not Cut Off Under WOT Condition KM (15)
A/C Not Functioning KM (1)
Low Idle With A/C On FA (11)
Stumble After Hot Restart H (20)
Fuel Pump Runs With Engine Off (Except MA Models) J (22)
Gasoline Fumes Under Hood KD (1)
Black Exhaust Smoke H (29)
Shift Indicator Light Always On Or Off (MA 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" Or "SERVICE ENGINE SOON" Light On Intermittently ML (10)
"CHECK ENGINE" Or "SERVICE ENGINE SOON" Light Flashing With Erratic Idle ML (15)
(1) On 5.0L MA models, verify MAF Sensor is properly connected.