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Restored to former Glory

mwarrey Feb 27, 2008

  1. mwarrey

    mwarrey Member

    Just thought I would share my experiences over the past few weeks. Basically, my 150,000m 1.8t seemed to be showing its age. Central locking was playing up, so was the fuel gauge. Idle started to get really lumpy, idle speed hunting all over the place and stalling quite often. Then to cap it all, week last Sunday morning the battery died on me. I was beginning to think it was getting past its sell by date.

    First up was a new battery and a set of spark plugs. When fitting the new plugs, the first thing I noticed was 2 of the old ones had started to work loose, they were covered in oil. They were also really worn even though they were long life bosch ones. With the new plugs in the idle was better, but it was still hunting at idle.

    Quite a few people have said that cleaning the throttle body can cure poor idle. Someone else recommended checking breather hoses as they are prone to splits causing poor idle.

    I decided to tackle this on the weekend after I changed the battery\plugs and during the following week I realised that the central locking and fuel guage were now working properly which was nice.

    Anyhow I bought some carb cleaner and on monday night stripped off the throttle body and gave it a good clean. It wasn't that dirty but what a difference it made. It now idles perfectly and as a result it is now much better to drive, back to its old self.
  2. Markey

    Markey Active Member

    Sound like you did a good job there mate :) its very satisfying when you work on the car youself and solve the problems.
  3. g60leigh

    g60leigh Well-Known Member

    nice job. I have a lumpy idle at the minute, (sounds painful ) but it is solved when i unplug one of the connectors on top of the airbox. The one nearest the wing. I think it has something to do with a charcoal filter? Going to get it looked at sometime soon. But if yours goes odd again it may be worth looking at that.

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