Operation CHARM
: Car repair manuals for everyone.
Home
>>
Subaru
>>
2004
>>
Impreza WRX STI F4-2.5L DOHC Turbo
>>
Repair and Diagnosis
>>
Restraints and Safety Systems
>>
Air Bag Systems
>>
Testing and Inspection
>>
Symptom Related Diagnostic Procedures
>>
Diagnostic Strategies
>>
Before Diagnosis
Before Diagnosis
INSPECTION
Before diagnosing, check the following items that might be related to the engine problem:
BATTERY
Measure the battery voltage and specific gravity of electrolyte.
Standard voltage:
12 V
Specific gravity:
Above 1.260