LEMON Manuals: Even more car manuals for everyone
Home >> Oldsmobile >> 2001 >> Bravada >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P1258: Engine OVERTEMPERATURE Condition >> Circuit Description

Circuit Description

The PCM uses the Engine Coolant Temperature (ECT) sensor to monitor engine for an over temperature condition. This condition occurs when coolant temperature is greater than 270°F (132°C). When an over temperature condition is present, DTC will set. PCM will alternately disable 4 injectors. By alternately disabling 4 injectors, the PCM is able to reduce coolant temperature.

scientia non olet · About LEMON Manuals