tonybullitt Posted October 25, 2018 Share Posted October 25, 2018 Hi, I got 2 bucket trucks from the same company that are complaining of bad sulfur (rotten egg) smell at times. One truck is a 13 other is a 14 one is just under 100k other just over. No codes no running issues I can find. Any ideas? Quote Link to comment Share on other sites More sharing options...
forddieseldoctor Posted October 25, 2018 Share Posted October 25, 2018 Failed batteries? We used to see it on e-series cutaway busses when the batteries failed they would complain of rotten egg smells. These ones had 1 battery under the hood and 1 under the body so it would still start and run normally. Quote Link to comment Share on other sites More sharing options...
8WA Sman Posted October 25, 2018 Share Posted October 25, 2018 I have replaced several 6.7L batteries for getting hot, I replace the battery insulator at the same time if needed. So far I have not found any caused by charging system problems. Quote Link to comment Share on other sites More sharing options...
tonybullitt Posted October 25, 2018 Author Share Posted October 25, 2018 That's what I thought also but all batteries test good. Quote Link to comment Share on other sites More sharing options...
forddieseldoctor Posted October 26, 2018 Share Posted October 26, 2018 These ones would start to stink while they were on the ford charger/tester. I don’t remember if they failed with a hand held tester or not. Quote Link to comment Share on other sites More sharing options...
Keith Browning Posted October 26, 2018 Share Posted October 26, 2018 An odoriferous battery is a bad battery... whatever the cause it needs to be replaced and inspect and service the cables and terminals as needed. Then verify the charging system operation including a scan of all modules for any battery voltage DTC's or charging system codes which are commonly found hiding in the BCM, ACM and heater control module for example... I might want to do that first so I don't lose or cause errant codes. Quote Link to comment Share on other sites More sharing options...
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