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Getting Comfortable
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About LarryK

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  1. Yesterday I helped a friend to jump start his car as his battery was discharged after a long lay-up. Soon afterwards I noticed that my temperature gauge needle was behaving erratically again, the needle would fall back to the left every time I pressed the accelerator pedal, I'm guessing that the jump start interfered somehow with my ECU. Today I followed RedLineMike's suggestion and ran an earth wire from one of the ECU mounting screws to the battery negative terminal and the temperature gauge has been acting normally again since this modification. Thanks for the tip RedLineMike, LarryK
  2. Thanks Mutley, I'll do that. Top breather hose was clean but I'll check the other hoses too, Regards, LarryK
  3. Thanks RedLineMike, This evening the temperature gauge resumed behaving normally. I think that the problem may have had to do with engine oil in the loom but that's only a guess. I had the old injector loom disconnected for a few days while awaiting delivery of a new injector loom and had the red plug disconnected from the ECU at the same time and had been spraying brake cleaner into the engine loom in the hope of clearing the oil. When I installed the new injector loom a few days ago the temp gauge continued to fluctuate but I noticed this evening that it has rectified itself, maybe it took a
  4. On my Td5 the temperature gauge never rises very far outside the cold zone but whenever I press the accelerator pedal the needle on the gauge drops into the blue/cold zone immediately, then rises again as soon as I take my foot off the accelerator. There seems to be a direct link between the accelerator pedal and the position of the temp gauge. Since this problem manifested itself I've flushed the coolant, replaced the thermostat, installed a new coolant temperature sender and refilled and bled the cooling system but the temperature gauge is still affected by the accelerator pedal movement. I
  5. Thanks for all the responses. I'm not concerned about this issue anymore as it was black sludge so probably due to too many short trips and lack of a decent run. I've carefully cleaned away the sludge and will do a few longer runs and check under the rocker cover again in a few weeks.
  6. Thanks Sigi_H, I think you are probably correct, this Td5 only does short and very occasional trips. I've carefully cleaned the rocker area and will take it for a good long drive soon. Perhaps I was being overly concerned as I had never seen such a sludge build-up on any other engines. Thanks, LarryK.
  7. Looking for advice here folks. Today I removed the rocker cover on my Td5 to replace the injector loom and was disappointed to find a lot of black oil sludge stuck to everything under there. The cam looked good with no obvious wear. This Defender is only driven occasionally around a farm and does mostly short trips but once in a while it goes 50 miles or more for a spirited drive. Even though it does little mileage (as little as 1000 miles some years) the engine oil is changed annually using a good quality 10w40 oil. I don't have any coolant loss. Could this thick sludge be as a result of only
  8. Does your temperature gauge needle fluctuate while you're driving? If so the problem could be a defective coolant temperature sender which is sending mixed messages to your ECU and the ECU thinks you have an engine overheat problem so it shuts off fuel to the injectors.
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