Fuel problem

[chris477]

Hi all,
Iv got a 1994 LS

A few weeks ago my car sometimes had juddering, and didn't sound to good on idle.

So i changed the spark plugs and it was perfect for a couple of weeks, and it started doing it again but only when its cold and is fine after it warms up.

Also i always need to keep topping up my coolant.

I hope that makes sense.

Anyone know what it could be

[coupe77]

What engine
Sounds like your water pump has gone


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[chris477]

1.4l Petrol mate

[coupe77]

Check the water pump
Then check for any leaks if
No leaks get a compression test done


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[chris477]

Whereabouts is the water pump located thanks?

[johnny]

Down by the bottom pully, just park the car somewhere dry if possible and place some cardboard under it and track any leaks that will show clear as day on the cardboard

[coupe77]

If you can remove the timing belt covers they are held on by a couple of 10 mm bolts you will be able to see if it's leaking
Look around the pump if it's leaking you will see staining


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