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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Engine Controls - Tests W/Codes - 5.9L Gasoline) >> Self-Diagnostic Tests >> Test NTC-1A - No Trouble Code Test Menu >> No Trouble Code Complete Test

No Trouble Code Complete Test

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Check Tech Service Bulletins (TSBs) for any pertinent information. If a TSB exists, perform corrective action. If TSB does not exist or if driveability problem still exists, perform tests NTC-2A through NTC-15A in sequence until driveability problem is found. See NO TROUBLE CODE TEST MENU table.

NO TROUBLE CODE TEST MENU

Application Test
Checking Secondary Ignition & Timing NTC-2A 
Checking Fuel Pressure NTC-3A 
Checking Coolant Sensor Calibration NTC-4A 
Checking TPS Calibration NTC-5A 
Checking MAP Sensor Calibration NTC-6A 
Checking Oxygen (O2) Sensor Switching NTC-7A 
Checking Idle Air Control Motor NTC-8A 
Checking Solenoid Operations NTC-9A 
Checking Park/Neutral Switch NTC-10A 
Checking PCM Grounds & Power Circuits NTC-11A 
Checking EGR System NTC-12A 
Checking Engine Vacuum NTC-13A 
Checking Minimum Idle Air Flow NTC-14A 
No Trouble Code Mechanical Test NTC-15A