TheOneAndOnly Posted September 11, 2019 Share Posted September 11, 2019 Hi All, Having an issue with my S-Max recently where it could start and run no problem for a few days(or more) then intermitenly not start, even if left over night. It then may start after 2-5 goes of turning over. I've gone to two mechanics, full service, brand new battery, diagnosic computers show no codes at all. They're both stumped, they've said its not the fuel pump or an air lock. This is a video; https://youtu.be/-RrkkMadu7w Here is a pic of the fuse box, does it look right?, https://i.gyazo.com/a3a86ac9e85d5bf72659a795d9003869.jpg I'm at a total loss here and any help would be greatly appreciated. My other half is afraid to death to drive it as she's scared it wont start when she parks up on the school run or going to the shops etc etc. Quote Link to comment Share on other sites More sharing options...
brains_t Posted September 17, 2019 Share Posted September 17, 2019 Have you replaced the glow plugs? Try letting the glow light go out, switch the ignition off and start the engine after the glow light goes off a second time. They may not be heating up enough to start. Quote Link to comment Share on other sites More sharing options...
TheOneAndOnly Posted September 17, 2019 Author Share Posted September 17, 2019 7 hours ago, brains_t said: Have you replaced the glow plugs? Try letting the glow light go out, switch the ignition off and start the engine after the glow light goes off a second time. They may not be heating up enough to start. Not replaced but if there was an issue it would show up in the diagnostic(right?), which was performed by 3 different diagnostic computers, I do wait for the plug light to go out before starting, still wont start, takes around 6-8 cranks to get going but once going fine until left for a couple of hours. Quote Link to comment Share on other sites More sharing options...
brains_t Posted September 18, 2019 Share Posted September 18, 2019 Try letting the glow light go out a couple of times before trying to start the engine so they heat up well. I had a similar issue with mine (same model), would not start if I tried after the light went out the first time. Eventually became second nature to let the light go out twice, until a few years later (Xmas in the Black Forest, night temp -15C) then a 380 code came up revealing an electrical fault in the glow plugs, still started if I sprayed starter fluid in the air intake. Quote Link to comment Share on other sites More sharing options...
pragmatix Posted September 19, 2019 Share Posted September 19, 2019 Does the engine turn over fast enough, if it doesnt the ecu doesn't fuel correctly and no start, try with a jump pack or other battery connected to the original. these engines will start with out the glow plugs they are only really needed in sub zero temps. Quote Link to comment Share on other sites More sharing options...
TheOneAndOnly Posted September 19, 2019 Author Share Posted September 19, 2019 8 hours ago, pragmatix said: Does the engine turn over fast enough, if it doesnt the ecu doesn't fuel correctly and no start, try with a jump pack or other battery connected to the original. these engines will start with out the glow plugs they are only really needed in sub zero temps. Did you watch the video link?, I try to turn it over twice. Just had a fresh battery installed, if it doens't turn over fast enough even with a fresh battery, whats the solution?. The internal diagnostic showed the battery voltage holding around 11.9 before start, then when I do get the car going it goes up to between 13-14. Quote Link to comment Share on other sites More sharing options...
pragmatix Posted September 19, 2019 Share Posted September 19, 2019 That seems to be a bit slow turning over, could be starter, Quote Link to comment Share on other sites More sharing options...
TheOneAndOnly Posted September 19, 2019 Author Share Posted September 19, 2019 57 minutes ago, pragmatix said: That seems to be a bit slow turning over, could be starter, Cheers, appreciate it!, will report back once I either know more or get it solved, it's at the garage again till next week. Quote Link to comment Share on other sites More sharing options...
brains_t Posted October 28, 2019 Share Posted October 28, 2019 Any update or is it still unresolved? Quote Link to comment Share on other sites More sharing options...
fulvio1990 Posted January 9, 2020 Share Posted January 9, 2020 On 9/19/2019 at 7:35 PM, pragmatix said: That seems to be a bit slow turning over, could be starter, i have an issue with low fuel pressure could a dodgy starter motor cause this i have tried everything else and my mind went to the starter motor earlier on but doubted my self ? Quote Link to comment Share on other sites More sharing options...
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