HJ61 12H-T stalling

Submitted: Wednesday, Mar 30, 2005 at 09:00
ThreadID: 21618 Views:1674 Replies:1 FollowUps:2
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Hi I have a 1987 12H-T 60 series, 195Km on the clock, runs well, no smoke etc. When it is cold or warming up the engine is prone to stalling when you put your foot on the clutch when slowing to a stop at traffic lights. The engine will idle fine at the correct rpm. If you blip the throttle, when the revs run down they will dip down past the idle and either stall or almost stall the engine. As the engine gets warmer this disappears.
There is no problem while the engine is idling at higher revs when first starting from cold -there appears to be some type of "choke" that keeps the idle high for the first few minutes. Similarly if I use the hand throttle to keep the idle higher no problems.Injectors and fuel system cleaned and no real change.
Does anyone have and advice/suggestions? Thanks and best regards
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Reply By: muzzgit (WA) - Wednesday, Mar 30, 2005 at 23:19

Wednesday, Mar 30, 2005 at 23:19
I dunno about the 12HT, but a mate was having the same problem with his 2H 60 series stalling when cold. Ended up being the low oil pressure cut-out.

He ended up having to put an oil flush through the motor and replace the oil pressure sender unit.
AnswerID: 104393

Follow Up By: Wayne (NSW) - Thursday, Mar 31, 2005 at 13:37

Thursday, Mar 31, 2005 at 13:37
muzzgit,
I think that you are right, check the oil leve first. That motor has a cut out switch that will stop the motor if the oil is low.

Wayne
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FollowupID: 361832

Follow Up By: gerard - Wednesday, Apr 06, 2005 at 16:46

Wednesday, Apr 06, 2005 at 16:46
Thanks Wayne but definitely not low oil level. This is a stall, not a cut out.
Muzzgit, what the hey is an oil flush? is that flushing out the oil galleries? Does you mate have any idea where the oil pressure sender unit is on a 2h?

cheers
Gerard
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FollowupID: 362518

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