FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
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Chevy Truck
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1999
>>
Tracker 2WD L4-2.0L VIN C
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Initial Inspection and Diagnostic Overview
>>
Vehicle On-Board & Scan Tool Diagnostics
>>
Engine Scan Tool Data Definitions
>>
Spark
Spark
The scan tool range is
-1
to
+60 degrees
. This displays the
PCM
controlled value that is being used to control the spark timing.