Question about 1994 Buick Park Avenue
Your Buick is a 3.8 liter, and probably the best engine ever built. But as all good things it has a few flaws.
It is a aluminum block, that doesn't do well at all with heat, yet at -03 f. I would be more concerned with it freezing. Again a problem with anything aluminum.
The problem I have found is that the heads will crack and the dieseling you describe is common of a 3.8 with a cracked head. I would pull the spark plugs, if it is dieseling it has to have water on one of the cylinders. Pulling the spark plugs will tell wich one. and also check for faulty or blown freeze plugs in the block. They may just be pushed out a little.
Posted on Jan 15, 2009
Blown engine. Check the oil and see if it is white or black. If your thermostat is not working, would do no good to put any anitfreeze in the car as it will not get to the engine. You can, in fact, remove the thermostat to drive the car should it start to get a flow of coolant going as you can't damage it any worse that it is. If you find this helpful, please post as such.
Posted on Jan 15, 2009
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Posted on Jan 02, 2017
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Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.
To confirm the problem, the basic troubleshooting is required.
Click this link below and follow the troubleshooting:------
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