Cutting out

[cosman]

right dose anyone have any idea why when you pull up that the revs drop and sometimes cuts out not all the time but say if your in second gear and come to stop it will cut out or if you reversing and stop it will, its on a small turbo escort too

thanks

[radiant rob]

Poss air leak, is it warm, do you have a dump valve on it.

[cosman]

Yeah warm ish yes has a dump valve

[jsa]

Possibly idle speed control valve.

What modifications?

Checked the self diagnostic fault codes?

[radiant rob]

Dump the valve and clean the idle speed control valve

[tinshaw]

Is it a standard dump valve?

[jsa]

U

Yeah warm ish yes has a dump valve

Ditch that and put the OEM type recirculating valve back.

[cosman]

It's not a standard dump valve but want to put one back on, and I'm sure it's standard as for the engine, how do you check the self diagnostics fault codes ?

[tinshaw]

I hand a after market dump valve on mine, still bolted onto the turbo but the same thing kept happening to me, when I took it & had it set up by msd they told me to get a original dump valve & that will sort it, I managed to find 1 & soon as I put it on it was perfect. It was something to do with air passing back through the maf air flow meter, if that makes sense.... hope that helps

[cosman]

Yeah been looking for a standard recirculating one is there a alternative to the standard one

[tinshaw]

I had the closest thing you can get on mine, a Colin's bolt on 1, which bolts straight onto the turbo, I even bought another 1 to see if it was just knackered.... but the same thing kept happening!!! So I managed to find a original 1 bought all new parts for it & it's been bang on ever since, no cutting out no bad idling etc etc, the only down side is you can't here it dump if you like that kind of thing!!
The biggest problem is finding 1
as I found, if you do find someone they want to sell you the turbo 2!! Which is usually knackered!!!!
Hope all this helps & u get it sorted.

[cosman]

Ok thanks do you have part number of it and what else do you need

[devil]

found this on a search

Symptoms;
Cars idle is rough
Car losing revs / cutting out when removing your foot from the throttle and putting the clutch down for e.g costing to a round about.
Car will not rev cleanly when cold using a touch of throttle on the spot.

Areas to check first;
Check the various vacuum pipes in the engine bay have got a goot tight conection onto fittings and unions
Check there is no splits in vacuum pipes
Check the air hose between the air flow meter and the turbo for splits ( esspecially if the car has an unsuported induction kit)
Check all boost hoses are unsplit and tighten the juiblee clips if suspect.
Check all wiring to sensors to make sure it is in good condition. Unplug conections, clean if required and spray with some wd-40.
Check to see if the car has the standard recirculating dump valve as the ford managment does not respond well to an aftermarket item.
Check plugs and that they are gapped to 0.8mm

Second checks; Each paragraph is a solution, try one untill you find the problem, do them in this order.

Remove the dumpvalve, take the diaphram out of its basket and check it for cracks, splits, holes. ( This was the problem with my car) order a new diaphram and gasket ( I couldent get a gasket from the supplier so make one from thick gasket paper)

Take off the ISCV then take the 2 small screws off the top off the body, put the top part aside and then take the bottom( large )part and place in a container of petrol over night or clean out with brake cleaner. Once you have done this insert a small philips screwdriver into the top part taking care to position it on the top of the plunger, now depress the screwdriver and let it release, do this several times untill you are happy it is working freely. Clean it out again with it depressed and make sure you drain out the petrol etc.
re-assemble and put of the car with a new gasket.

Buy some carb cleaner and start the engine, spray the carb cleaner from the airflow meter to the turbo inlet, around the front of the compressor wheel as theres various vacuums ( DO MAKE SURE THAT THE ENGINE IS COOL AND YOU SPRAY IT CAREFULY AROUND THE FRONT OF THE TURBO ONLY!!!!) then the boost pipes, over the intercooler, and all over the vacums on the plenum, the throttle body, inlet manifold basically everywhere, now as your doing it, listen for then engine revs rising slightly, if they do you've found an air leak and your problem - replace the appropriate gasket etc.

If you have access to a sensor tester / multimeter start checking the coolent temp sensor, air temp sensor, airflow meter, lambda sensor, the sensor tester I kindly got a shot of was very good, You can do it with a multimeter but I dont have the resistances that you should be looking for.

Sperate the multiplugs on the inner wing very carefully and check for corrosion and moisture. Clean dry and wd-40.( These plugs are a known area for all sorts of problems, many people cut the plugs out and solder the wires together and heat shrink the individual wires, i would leave this till last if all apears to be well)

Replace the coolent temperature sensor.

[cosman]

That's cool thanks

[radiant rob]

So get yr finger out and crack on