Juz Posted September 22, 2008 Share Posted September 22, 2008 Hi All, My 200TDi doesn't turn off when I remove the ignition key. Obviously it's the fuel stop solenoid (right?). Is it just a matter of replacing the solenoid or are there tests that are worth doing first? Juz Quote Link to comment Share on other sites More sharing options...
LandyManLuke Posted September 22, 2008 Share Posted September 22, 2008 I'd first make sure that the solenoid doesn't actually have 12v on it when you're expecting it to stop. The simplest test would be to pull the wire off. Quote Link to comment Share on other sites More sharing options...
Juz Posted September 22, 2008 Author Share Posted September 22, 2008 I'd first make sure that the solenoid doesn't actually have 12v on it when you're expecting it to stop. The simplest test would be to pull the wire off. And if working correctly, the engine should cut out? (That's madness, if that wire came off whilst at 70mph on the worwar the engine would just stop - that's a bad day!) Cheers, I'll try that - although I checked with a multimeter that I have 12v with ignition on and 0v with it off - guess it's the same thing. Juz Quote Link to comment Share on other sites More sharing options...
discojmz Posted September 22, 2008 Share Posted September 22, 2008 if working correctly, the engine should of course stop on the key if you turn off at the key and remove the key, then remove the solenoid wire and the engine stil fails to stop, then the solenoid is jammed. if pulling the wire off the solenoid stops the engine where the key has failed, the somehow you have an electrical issue and 12v still at the solenoid I would expect it to still not stop and it be a sticking solenoid tbh. unless youve been messing with the wiring in that circuit/area recently Quote Link to comment Share on other sites More sharing options...
rusty_wingnut Posted September 22, 2008 Share Posted September 22, 2008 i hope it's not running on engine oil, and is just the fuel stop. Quote Link to comment Share on other sites More sharing options...
Juz Posted September 22, 2008 Author Share Posted September 22, 2008 i hope it's not running on engine oil, and is just the fuel stop. How would that be happening? How would I check? Juz Quote Link to comment Share on other sites More sharing options...
Ally V8 Posted September 22, 2008 Share Posted September 22, 2008 If it runs without 12v at the solenoid the chances are the cam ring is breaking up inside the pump,the resulting swarf is attracted to the magnetism of the solenoid and jams it.Replacement pump time. Quote Link to comment Share on other sites More sharing options...
Guest diesel_jim Posted September 22, 2008 Share Posted September 22, 2008 How would that be happening? How would I check?Juz Because it would be revving flat out on its own, getting faster and faster (as there'll be no mechanical govenor working, as it does inside the pump) and eventually the the pistons/conrods/crank would make a break for freedom (through the block ) If it runs without 12v at the solenoid the chances are the cam ring is breaking up inside the pump,the resulting swarf is attracted to the magnetism of the solenoid and jams it.Replacement pump time. Or just a re-con by a competent FIP workshop. Quote Link to comment Share on other sites More sharing options...
Guest noggy Posted September 22, 2008 Share Posted September 22, 2008 Because it would be revving flat out on its own, getting faster and faster (as there'll be no mechanical govenor working, as it does inside the pump) and eventually the the pistons/conrods/crank would make a break for freedom (through the block ) i saw this happen to a tractor a couple of years ago, was very interesting to watch but seems as it was our tractor it wasnt funny... Quote Link to comment Share on other sites More sharing options...
LandyManLuke Posted September 22, 2008 Share Posted September 22, 2008 Stalling the engine (using the clutch, in gear, with all brakes on etc) is the only chance you've got, and then you need to be pretty quick to limit the damage done!! Quote Link to comment Share on other sites More sharing options...
western Posted September 22, 2008 Share Posted September 22, 2008 If it runs without 12v at the solenoid the chances are the cam ring is breaking up inside the pump,the resulting swarf is attracted to the magnetism of the solenoid and jams it.Replacement pump time. not strictly true, the cam ring & roller can be replaced with the later 300Tdi parts that seem to be more resistant to breaking up, my current injection pump has been rebuilt with these later parts & is running fine. Quote Link to comment Share on other sites More sharing options...
patch1 Posted September 22, 2008 Share Posted September 22, 2008 I worked on a rangi once that was doing the same thing. when you turned the key of it kept goining untill you flased the head lights then it stoped. It turned out to be the alternator was bleeding just enough juce through the warning light into the ignition system to keep the solenoid open. My cure for this at the time I thing was to put a grounding resistor of a couple of hundred Ohms across the solenoid to pull the voltage down when the key is off, Mark Quote Link to comment Share on other sites More sharing options...
Juz Posted September 23, 2008 Author Share Posted September 23, 2008 UPDATE: Old solenoid is out - damn they're a bugger to get to! New solenoid bought and hopefully going back in tonight. Juz Quote Link to comment Share on other sites More sharing options...
western Posted September 23, 2008 Share Posted September 23, 2008 part number should be RTC6702 for a 200Tdi. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.