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  1. 2.0 AAC petrol engine hiccup on idle and cuts out when warm

    Engine & Gearbox
    Hi, I'm trying to help a friend out who's got problems with his petrol T4. When the engine is idling, there is a hiccup every 10 seconds or so. When the engine is warm and under load, it looses power. You can feel the power dropping away, the more you press the accelerator, the worse it...
  2. T4 loss of power

    General Technical
    Our T4 2.5d acv engine 2001 van - while driving along, experiences a total loss of power but the engine is still running - we then have to coast for a bit and press the accelerator a few times and eventually it starts to rev and it then drives ok. We tried a new fuel filter. Dealer says it may...
  3. Engine 'holds back' - more in cold weather

    Engine & Gearbox
    Recently (during the cold weather) I've found that when I get to about 65/70 the engine starts cutting back. I thought it could be a problem with a dirty air filter. However, now that the weather has warmed up the problem seems to have almost disappeared. The van's a 2001 T4 2.5 diesel (ex AA)...
  4. engine cuts out at random!

    General Technical
    Over the last few weeks i have had an intermittent fault with my 2.5 tdi. The engine has been cutting out randomly and then won't restart. After turning the ignition off and back on again there is no glow plug light. Have replaced relays 103 and 109 to no effect. Eventually traced the...
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