- Verify the engine operates at normal temperature
|
- Visual. REFER to the Workshop Manual Section 303-03, Engine Cooling or No Diagnostic Trouble Codes (DTCs) Present Symptom Chart Index to diagnose any cooling system concerns that are present.
|
- Verify correct coolant level and coolant concentration
|
- REFER to the Workshop Manual Section 303-03, Engine Cooling for correct coolant concentrations and fill procedures.
|
- MAF Sensor
|
- refer to PINPOINT TEST DC - Mass Air Flow (MAF) Sensor
.
|
- Base Engine
|
- REFER to the Workshop Manual Section 303-00, Engine System and carry out the Inspection and Verification to continue diagnosis.
|
- Fuel Delivery System
|
- refer to PINPOINT TEST HC - Fuel Delivery System
.
|
- Secondary Ignition System
|
- For vehicles equipped with a coil pack ignition system, refer to PINPOINT TEST JC - Secondary Ignition (Coil Pack)
.
- For all others, refer to PINPOINT TEST JB - Secondary Ignition (COP)
.
|
- PCV System
|
- refer to PINPOINT TEST HG - Positive Crankcase Ventilation (PCV) System
.
|
- Engine Oil Quality
|
- Visual
|
- Additional Testing
|
- refer to PINPOINT TEST Z - Intermittent
.
|