LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Chevrolet
>>
1987
>>
S10/T10 Blazer 2WD L4-151 2.5L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Scan Tool Testing and Procedures
>>
Positions
>>
Knock Retard
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Knock Retard
On 1987-90 engines the display indicates the number of degrees the ECM is retarding the EST spark timing.