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2.5L Symptom-To-Diagnostic Flow Chart Menu

2.5L 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 (2)
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)
High Idle In Drive (A/T Only) FA (20)
Stumble After Hot Restart H (20)
Engine Will Not Restart QE (1)
Fuel Pump Runs With Engine Off X (14)
Gasoline Fumes Under Hood KD (1)
Black Exhaust Smoke H (29)
No Engine Cooling Fan (MTX Only) 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 (CLC Only) X (19)
Low Or High Speed Cooling Fan Always On X (35)
Shift Indicator Light Always On Or Off 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)
Lack Of Cruise Control & Decel Stalls DP (1)
Trans Will Not Shift Into Overdrive (1) TB (1)
No Trans Lock-Up. Cruise RPM Slightly Higher Than Normal (About 300 RPM) (2) TB
(1) Use Code 86 Diagnosis.
(2) Use Code 89 Diagnosis.