Nitrogeno25
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| posted on 4/9/12 at 05:39 PM |
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Clogged injectors.
I was trying to start my duratec for the first time with megasquirt with no luck.
I remove the fuel rail, crank the engine and no fuel. Fuel pressure was OK and tested the voltage at the injectors. I the applied 12v to the injectors
for 2 or 3 seconds and it started flowing! I repeated with the other 3 and now all seems to flow.
It this normal?? the engine was not used from 2008 I think.
thanks!!
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MikeRJ
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| posted on 4/9/12 at 06:14 PM |
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It's not "normal" but the same thing happened with a s/h engine we fitted to my brother Celica some years back. If stood for long
enough the petrol in the injectors will gum up enough that the injector doesn't respond to the short pulses used during cranking. Might be an
idea to get the injectors cleaned properly.
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britishtrident
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| posted on 4/9/12 at 06:23 PM |
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Air locked -- simples!
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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MikeRJ
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| posted on 4/9/12 at 10:11 PM |
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quote:
Originally posted by britishtrident
Air locked -- simples!
Why would a fuel system with a return get air-locked? It was definitely the injectors sticking on my brothers car since we pulled the injectors out
to check the spray pattern and they wouldn't even click until we had applied 12v to them for 5-10 seconds, and even then the spray pattern was
terrible. We used the injectors from his blown up engine (big end problem) in the end.
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Nitrogeno25
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| posted on 4/9/12 at 11:12 PM |
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quote:
Originally posted by MikeRJ
quote:
Originally posted by britishtrident
Air locked -- simples!
Why would a fuel system with a return get air-locked? It was definitely the injectors sticking on my brothers car since we pulled the injectors out
to check the spray pattern and they wouldn't even click until we had applied 12v to them for 5-10 seconds, and even then the spray pattern was
terrible. We used the injectors from his blown up engine (big end problem) in the end.
Exactly what happened to me!
I will send them for cleaning tomorrow. Engine started (only idle, just in case).
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pjay
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| posted on 13/9/12 at 04:54 PM |
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Exactly what happened to me. Have to say I now check each injector by pulsing it a few times on a 12V supply and push switch.
Also invested in an ultrasonic cleaner a while ago and clean the injectors in that - does them a treat (was £25 when I got it):
http://www.maplin.co.uk/ultra-7000-ultrasonic-cleaner-223108
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mackei23b
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| posted on 26/5/16 at 02:08 PM |
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Hi there
What solution did you use to clean the injectors with?
Cheers
Ian
quote:
Originally posted by pjay
Exactly what happened to me. Have to say I now check each injector by pulsing it a few times on a 12V supply and push switch.
Also invested in an ultrasonic cleaner a while ago and clean the injectors in that - does them a treat (was £25 when I got it):
http://www.maplin.co.uk/ultra-7000-ultrasonic-cleaner-223108
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