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Atka, AK

auto diagnostic tool ,Honest OBD2 Diagnostic Tool Supplier maybe the web can help you ->

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Many factors can lead to the engine idle speed operation wave: mixed gas concentration, running resistance change, air inflow etc... Cold car? Cold car conditions possible, because the engine running resistance, speed off faster. If just cleaning the feast valve, or computer made clear fault memory, engine control system needs certain self learning process. So may the season valve reflect not too orientation (are self learning process) be caused by. auto diagnostic tool->

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