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Tag: High Return Flow

DD15

DD15 Diagnosis High Amplifier/Needle Return Flow (Version 5 Fuel System)

Posted on October 9, 2023 by sam

This condition will exist if there is leakage at the flat seat for the amplifier solenoid valve. At idle injector amplifiers are not turned on,…

DD15

DD15 High Amplifier/Needle Return Flow (Version 4 Fuel System) Troubleshooting

Posted on October 9, 2023 by sam

This condition will exist if there is leakage at the flat seat for the amplifier solenoid valve. At idle injector amplifiers are not turned on,…

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