Vehicle & Technical > Discovery
300 tdi with EDC engine
BILKO:
Right here goes.
I have a 300 tdi disco with the EDC fitted( Its a jap repat)
Whist travelling at 30-40 mph just below 2000 revs the check engine light comes on and the revs drop down to idle? Then it picks up again and goes back to normal,this can happen quite alot. Have had it on test book a week ago and no fault codes displayed. Yet today the fault has return again!! Got it booked in tomorrow again for test book,anybody else had the same problem and any idea's what to do to fix it.
If not then the electric injection pump and airflow meter will be going in the bin and a manual injection pump is going on in its place.
SteveGoodz:
Hi Bilko,
Having just had a quick look at RAVE I'd say the most likely place to find your fault is inside the ECU ~ maybe a dry joint or dodgy connector. If the fault was with an external sensor then I'd expect the ECU to show a fault code.
I'm not so sure changing the car as you suggest is quite as simple as you wrote and if the fault is still there then the light will still come on ... but it won't go into limp home mode.
Good luck with the troubleshooting :D
BILKO:
Fault codes read. There's a fault between the throttle potentiometer and air flow meter. It possible throttle pot knackered and thats nearly £300 +vat to replace and about the same for an air flow meter aswell,if they don't clear the faults then its a new engine wiring loom £1000 !! :-o :-o :shock: So me thinks that a good second hand manual injector pump is the order of the day. Been told that converting to manual pump won't effect the running because engine ecu won't have control over injector pump and that removing airflow meter,will just become like a normal 300 tdi disco,and that their be no future electronic problems with the engine.
Thrasher:
If it's an auto you might find it becomes a little more gutless without the EDC, that's primarily why it was fitted....
BILKO:
--- Quote from: Thrasher on May 08, 2008, 10:32:48 ---If it's an auto you might find it becomes a little more gutless without the EDC, that's primarily why it was fitted....
--- End quote ---
Thanks Thrasher. But have been told now by 3 different companys that as i am just changing the electronic pump for a manual one and removing the airflow meter but still keeping the ecu in place then their shouldn't be any loss in power. Mind you if there is it doesn't matter, don't tow anything and i'm not a speed demon but can still enjoy the pleasure of having a disco.
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