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Chevrolet
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2003
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Venture Base, Van Passenger Extended
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P1381: Misfire Detected - No EBCM/Pcm Serial Data
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Conditions For Running DTC
Conditions For Running DTC
Engine load is less than 87 percent.
Engine speed is less than 5000 RPM.
Vehicle speed is more than 10 MPH.
A misfire DTC is occurring and requesting the MIL to be illuminated.