Keef wrote:marcrbarker wrote:According to my understanding whether there's PATS or not, if the injection pump is a Lucas EPIC (i.e. DSA1190/1191/1096 etc) the 'stop solenoid' is used to stop the engine when the key turned off. If it's this and you want to check the feed to the solenoid , the wire colours are violet/ brown and black/red. It's around 5 V when valve energised. Just simply applying 5 V wouldn't work to open it, because the valve needs a short 12 V pulse to shift the valve into place and 5 V to hold it there.
A diagnosis to prove there's compression and the valve timing is OK, You can start and run an diesel engine on spray brake cleaner down the air intake, usually for up to a minute before the clacking noise gets unbearable to hear. This feed completely bypasses the injection pump, fuel filters, injectors, ECU, stop solenoid, everything. Go easy on the spraying because you can over-rev the engine. Don't do it for too long because the smoke is annoying to neighbours and it condenses on car windscreens you won't be popular.
Edit. also a squirty-bottle garden sprayer filled with white spirit or turpentine works too. Aerosol brake cleaner is the easiest
He's already posted a video with it running from a spray and its a Bosch pump anyway.
marcrbarker wrote: as a "sanity-check" , is see if the squirts are in the right place (since you've already been watching the valve rockers and seen it's a 1-2-4-3). While turning the engine manually by the crankshaft, peer attentively at each the slackened injectors you'll actually see a puff of fuel from each one, even though only cranking slowly. (I would expect the stop solenoid needs to be open the whole time doing this)
Of course it goes without saying the puff of fuel you see must coincide with the appropriate firing cylinder. If the wrong injector puffs or puffing near bdc then you know something is going wrong with how you are doing the belt timing or the pins or something.
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