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Posts posted by Vw-Joy
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So, had
4 hours ago, mk2 said:So it turns over fine while cranking, cam belt is fine (there's an illustrated how-to cam belt check/change fyi). There's fuel. EGR doesn't make a huge difference while cranking or idling, but you could try disconnecting the vacuum pipe to the EGR system from the solenoid (block the pipe to the solenoid once disconnected). Its the whiny noise that has cought my curiosity.
I know that SDI starter motors make a whirring noise after you stop cranking when they get old, so it might be that what you are hearing, as it doesn't start. But why's it not firing up....? In diesels, assuming that mechanically all is fine, it can only be lack of fuel or the fuel system. Ah, just had a mad thought- i've once encountered a diesel engine that wouldn't start because- wait for it- there was water in the fuel and it was frozen solid, blocking the pipe/filter...
just another thought- could be the fuel shut off solenoid valve, but unlikely.
Cambelt definitely fine.
Can't find location of fuel shut off solenoid....
4 hours ago, Rich said:the fuelling issue is why i like the easy start diagnosis.
Easy start, well with a helpful friend, we got it going on easy start as long as we sprayed it into the air intake it would start and run but as soon as we stopped spraying it died....so it does suggest fuel I guess. But I've never run it dry and it has over half a tank in right now!
Gonna have lunch and try again....
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1 hour ago, mk2 said:
Starter motor engaging ok?
Think so...turns over fine and then makes a dodgy whiny noise and cuts out. So pretty sure its after the starter motor that the problem starts.
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3 hours ago, Rich said:
and we are sure it isn't battery?
tried bump starting it?
Yep, it did get to the battery at one point, but I've charged it and put it back on. No luck on the bump start.
2 hours ago, Sausage said:You got anti freeze in it? Sudden cold snap and no anti freeze = stripped cambelt teeth on the frozen water pump.
I'd take the cambelt cover off and flick it over on the starter a bit at a time (or turn the engine on the crank pulley bolt) and check for missing teeth on the belt and make sure the timing all lines up.
if it is spinning over easy on the starter it has lost compression, so check timing.
Haven't tried this, makes a lot of sense, good call. Will check this tomorrow....Thank you!
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Yes timing belt is fine.
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So in the tradition of a newbie, I'm here for help please! This is my 2nd Lupo SDi, the first had done over 250k so I know they should go on forever, which is making this problem even more frustrating!
So 1.7 SDi went to start one morning a few weeks ago and it turned over but immediately cut out with a whiny/grindy noise. And has done the same thing every time I've tried to start it since.
There is plenty of diesel in it so it isn't fuel starvation.
Battery is turning it over.
I'm all out of ideas, any suggestions? Could pop it in the garage as a last resort, but I wanted to pick your brains first...any ideas?
My bulletproof 1.7 sdi won't start....MOT due tomorrow!
in Volkswagen Lupo
Posted
Gonna try these suggestions as soon as possible, although I think the next few days will be full of snow activities!
Thanks for diagrams ??
Really appreciate all the suggestions so far.... Keeping me sane! Will let you know how it goes.