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Saturn
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2006
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Ion 2 4D Coupe, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 2.2L - DTC P0136 To DTC P0442
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DTC P0418
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Component Testing
Component Testing
Connect the relay coil connections to fused battery voltage and ground. Measure resistance through the relay contacts at 0 ohms.
If resistance measures more than 0 ohms then replace the relay.