Buick Encore: Engine Performance Diagnostic Routine Outline
NOTE: This article is generic in nature and all information does not apply to all vehicles. For vehicle specific information, see the appropriate articles in the ENGINE PERFORMANCE category.
WHERE DOES DRIVEABILITY DIAGNOSIS START?
PERFORM BASIC INSPECTION
NOTE: This article is generic in nature and all information does not apply to all vehicles. For vehicle specific information, see the appropriate articles in the ENGINE PERFORMANCE category.
- Verify Customer Complaint
- Check for Relevant Technical Service Bulletins (TSBs)
- Perform Visual Inspection (See Basic Diagnostic Procedures)
- Test Engine Sub-Systems (See Basic Diagnostic Procedures)
- Mechanical Condition (Compression)
- Ignition Output
- Fuel Delivery
- Check Air Induction System For Leaks
- Check & Adjust Basic Engine Settings(See On-Vehicle Adjustments)
- Ignition Timing
- Idle Speed
CHECK FOR TROUBLE CODES
NOTE: This article is generic in nature and all information does not apply to all vehicles. For vehicle specific information, see the appropriate articles in the ENGINE PERFORMANCE category.
- Check for Diagnostic Trouble Codes (DTCs).(See Self-Diagnostics)
- Repair cause of DTCs.
- Clear PCM memory and repeat self-test.
DIAGNOSE SYMPTOM
NOTE: This article is generic in nature and all information does not apply to all vehicles. For vehicle specific information, see the appropriate articles in the ENGINE PERFORMANCE category.
- If no self-diagnostics available, or no trouble codes present, identify symptom.
- See trouble shooting procedure to identify problem. (See Trouble Shooting - No Codes)
TEST SYSTEM
NOTE: This article is generic in nature and all information does not apply to all vehicles. For vehicle specific information, see the appropriate articles in the ENGINE PERFORMANCE category.
- Perform required tests. (See Systems & Component Testing)
- Verify complaint is repaired.
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Engine Performance Safety Precautions
Always refer to Emission Decal in engine compartment before servicing
vehicle. If manual and decal
differ, always use decal specifications.
Do not allow or create a condition of misfire in more
Gear Tooth Contact Patterns
NOTE: This is GENERAL information. This article is not intended to
be specific to any
unique situation or individual vehicle configuration. For model-specific
information see appropriate articles whe
General Cooling System Service
This article is generic in nature and all information does not apply to all
vehicles including those without a
liquid cooling system. For vehicle specific information, see the appropriate
articles i
SEE MORE:
Universal Remote System Operation
Using the Universal Remote
System
Press and hold the appropriate
Universal Remote system button for
at least one-half second. The
indicator light will come on while the
signal is being transmitted.
Erasing Universal Remote
System Buttons
Erase all programmed buttons when
vehicle ownership is termina
Specifications
DIMENSIONS - BODY (ENCORE)
Point-to-point measurements are for reference only. All measurements are
given in millimeters. Use these
measurements for diagnosing and estimating. Point-to-point measurements are
duplicated with tram bar pointers
set at equal lengths. All die marks, holes, slots, and f
