FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
Home
>>
Mercury
>>
1990
>>
Topaz FWD L4-140 2.3L HSC (VIN X)
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Pinpoint Tests
>>
P - Spark Timing Check
>>
P5 - P6
P5 - P6
Pinpoint Test P5 & P6 - Spark Timing Check: