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Exhaust gas recirculation system, engine codes AFN, AVG, AHU, ALE, 1Z
Exhaust gas recirculation system, engine codes AFN, AVG, AHU, ALE, 1Z
Notes:
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◆ The control of the exhaust gas recirculation system is undertaken by diesel direct injection system control unit (J248) via EGR valve (N18) (electric) to exhaust gas recirculation valve (mechanical).
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◆ Checking exhaust gas recirculation valve (N18).
=> Repair group 01; Final control diagnosis; Performing final control diagnosis
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◆ The cone-shaped plunger in the mechanical exhaust gas recirculation valve ensures that various cross sectional openings are possible at different plunger lifts.
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◆ Pulsed control makes every conceivable valve position possible.
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◆ Renew self-locking nuts.
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