Question about 1978 Pontiac Bonneville
Working on a 1979 Pontiac Bonneville with a factory Buick engine. The engine knocks when starting, but only does it once. After turning the car off, and restarting at a later time the same day, it starts fine. The engine runs great after started. It sounds like maybe emissions? I am not sure. Any ideas or help would be greatly appreciated. Thank you, Jeremy
It could be the oil pump, its not a bad idea to check the type of engine oil you are using maybe you can go a little higher in grade,
you can also try to use STP Engine oil treatment for petrol (gas) as addative to the engine oil it may help.
Hope this helps!
Posted on Feb 27, 2009
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Posted on Jan 02, 2017
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