Mercedes Benz

Mercedes-Benz Mercedes Benz OEM Parts Mercedes Benz OE Replacement Parts 0309 The injection valve output stage of cylinder 4 detects a short circuit to positive. (P0271) Possible cause: - Y62y4 (Fuel injector cylinder 4) Affected functions: - Engine diagnosis - Engine running ------------------------------------------------- Test 1: Check component Y62y4 (Fuel injector cylinder 4). 1. Check component Y62y4 (Fuel injector cylinder 4). Test 1.1: Check component Y62y4 (Fuel injector cylinder 4). 1.1. Check component Y62y4 (Fuel injector cylinder 4). Safety note Warning!Risk of explosion, poisoning and injury!Fuels are highly inflammable and toxic if inhaled. Fuels may cause skin damage. fuel vapors are explosive, invisible and spread out at floor level, they are toxic if inhaled and produce giddiness and an anaesthetizing effect.Rules of conduct and protective measures - Wear suitable protective clothing. - Pay attention to national safety precaution...