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error code 290900
Hi i am having intermittent issues, i keep on getting the engine management sign come up but then it goes away at times then comes back, had the diagnostic test done
Error code which comes up is
290900 - Air system, Air to Egr mass flow, plausibility : measured air mass compared with calculated air mass too high.
i have replaced the egr valve, air mass flow sensor, Valve, EGR exhaust control (EGR EXHAUST VACUUM SELENOID VALVE )
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