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Home >> Fiat >> 2017 >> 500 Lounge, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (1.4L Turbo - DTCS P0271-00 To P0615-00 - 500) >> DTC Troubleshooting >> P050B-00 Cold Start Ignition Timing Performance >> Theory Of Operation

Theory Of Operation

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Spark adjustment during a cold start is intended to provide quick response to idle speed variations. The spark adjust diagnostics monitors spark advance on a cold start over a period of time, then compares the average spark advance to a threshold.

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