Operation CHARM
: Car repair manuals for everyone.
Home
>>
Mercury
>>
1986
>>
Cougar/XR7 L4-140 2.3L SOHC Turbo
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Reading and Clearing Diagnostic Trouble Codes
>>
Reading Diagnostic Trouble Codes
>>
Quick Tests
>>
3.0B - Key-On, Engine-Off Self-Test (Codes)
3.0B - Key-On, Engine-Off Self-Test (Codes)
Quick Test 3.0B - KOEO Code Chart: