The engine exhibits are very noticeable tapping sound when starting only
when the engine is cold. It lasts for a minute or so and then gradually
disappears. This does not occur on warm starts. Interestingly I had a 2001
Neon that did the same thing. Anyone out there experience the same thing
and no what it might be?
Without hearing the noises, it would be hard to say what it is. It could
even be a normal Purge control valve making the noise. I would start with
making sure you have oil in the engine
Could be collapsed piston skirts, or sticky wrist pins.
on my daughter's 98 twin cam I ran some MMO in the oil and the cold
tap went away. I'm sure it was wrist pins dragging a bit on that one.
It used to suck bat a bit of oil as well - and that problem is also
history now - suspect the rings were a bit sticky. Oil gets changed
every 3 months or so - which is usually under 5000Km.
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