Escort s2 mk4 cold start injector
07-09-2012, 03:44 PM
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Escort s2 mk4 cold start injector
Any one have any idea how to isolate the cold start injector? Not just unplugging it I want to cut fuel to it completely but temporarily as I think it may be leaking causing the horrific overfilling when engines warm! I have literally tried and replaced most components now and am pinning hopes on this injector!
She runs fine when cold but when warm over fuels to the point where it cuts out... Traits of a leaking injector maybe??
She runs fine when cold but when warm over fuels to the point where it cuts out... Traits of a leaking injector maybe??
07-09-2012, 07:36 PM
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mine would start fine when cold, but left for say two hours it would wind over for a while,but always ran fine. i put another csi on and has really made a difference. not sure if the main injectors can leak when standing. sorry this probably has not helped with your problem. cheers frankie
07-09-2012, 08:16 PM
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Metering heads are common for fuckin up arnt they ? Also there a mecanical injector with no electrical input arnt they ? So surley the problem would be further back at what controls the fuel output ie the meter head . Maybe wrong but its where id start . Also to rule out the csi can u remove it or blank it ?
08-09-2012, 01:45 PM
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Have already replaced 2 metering units thinking it was that at fault, but the one currently on there is from a known working vehicle'
What I'm looking to do is remove the connector from metering head that supplies csi and blank it with a bolt, just need to find a bolt with perfect threads!
What I'm looking to do is remove the connector from metering head that supplies csi and blank it with a bolt, just need to find a bolt with perfect threads!
08-09-2012, 08:27 PM
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Could it be a sensor ? Ie ECT (if they run one ) not telling the engine to come off the cold start map . Failing that , Scrap the mfi and fit EFI 
16-09-2012, 08:23 PM
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THINK I'VE FIXED IT!!!!
Running problems and overfueling when warm has now GONE.
tested all the wiring from sensors to ECU etc and all seemed fine replaced a few tatty bits, then found the YELLOW coolant temp connected was missing its metal retaining clip!
So all the time I thought it was plugged in it actually wasn't all the way on so making no connection, made a retaining clip for it and hey presto fault with plugging Black box back in was gone.
Over the moon now!! Still a little struggle to start it when cold but I can live with that at the moment.
THANKS FOR ALL YOU ADVISE
Hope this helps someone else one day.
Running problems and overfueling when warm has now GONE.
tested all the wiring from sensors to ECU etc and all seemed fine replaced a few tatty bits, then found the YELLOW coolant temp connected was missing its metal retaining clip!
So all the time I thought it was plugged in it actually wasn't all the way on so making no connection, made a retaining clip for it and hey presto fault with plugging Black box back in was gone.
Over the moon now!! Still a little struggle to start it when cold but I can live with that at the moment.
THANKS FOR ALL YOU ADVISE
Hope this helps someone else one day.
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