Lioneljc Posted October 31, 2017 Share Posted October 31, 2017 Hey guys, new here. Ive developed an unusual problem. My mackś engine shut off light appears while going up or down hills. (I live in the Virgin Islands btw). This had never happened before. Ive researched and understood that engine shut offś are usually related to oil and coolant. Coolant level is pretty good so its not the low probe. Ive had the electronic malfunction light turn on with a 3-2 code for ages and has never affected the truckś performance. Any ideas what can cause this? Its an 01 MR688S Cabover with an etech 350. Lionel Quote Link to comment https://www.bigmacktrucks.com/topic/51562-mack-shuts-off-on-hills/ Share on other sites More sharing options...
blackdog2 Posted October 31, 2017 Share Posted October 31, 2017 clutch fan plug radiator had the same problem try flush . Quote Ed Link to comment https://www.bigmacktrucks.com/topic/51562-mack-shuts-off-on-hills/#findComment-383985 Share on other sites More sharing options...
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