The areas to check are the auto transmission, which can be troublesome, and cars should be thoroughly test driven to pick any possible problems that might occur down the track. Electrical issues are fairly common. Oil can get into the injector harness causing electrical short circuits at the plug connections. The infamous 'Three Amigos' all illuminate on start up, but then go out once running. However, the vehicle seems to have a very slight hesitation or misfire which occurs around 2000-2500rpm when driving on a light throttle or with gentle acceleration. Lower revs or harder acceleration at higher revs don't seem to show it, but it's like it's 3 Answers. Likely to be the xyz switch on the side of the gearbox (if it is an auto). When faulty it seems it sends conflicting messages as to which gear has been selected, causing the ecu to go into limp mode (M+S lights flash and the gearbox allows only limited operation). The aircon drain is is located immediately above it and causes With the ECU still weeks away and evidence that the problem could be laying somewhere else (although ECU was still 'topsiding' under heavy load and continuity was re-checked good between ECU and each injector… in static conditions), resolved to try out a different approach Apr 17, 2017. #1. Hi all, this is becoming quite a nuisance in the early hours - the alarm keeps going off. I have unplugged the one in the passenger wing, later to find out there is a backup in the rear behind all the interior panels with its own battery supply. I have just removed the fuse for the horn but doubt it will make a difference. Land Rover forum based in the UK. Land Rover Discovery. Threads 47.9K Posts 467.6K. Sub-forums. TD5 TDV6/8 TDCi Puma Freelander Threads TD5's run a completely different cooling system to a standard vehicle. You need to understand how the cooling system works in order to find the fault. A standard vehicle pushes the coolant around the system. As pointed out above, if the thermostat jams closed it will lead to overheating. On a TD5 the waterpump SUCKS the coolant around the system. The ould Disco is starting to break up! Our local main stealer has told us this morning that the cause of the misfire at 2500-3000 revs is "a magnetic field near the ECU which is causing oil to get into the harness and it needs both ECU and harness replaced" Total cost €730 plus labour (6 hours) VAT (21% over here) approx GBP 480 plus the App Vay Tiền Nhanh.

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