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Re: Engine is overheating
Start cheap... change the thermostat. usually the problem.
does the fan under the hood work? has the fan been over working (on all of the time)?
does the upper radiator hose look like it wants to burst when the fluid boils over? thermostat.
are you leaking antifreeze that you can see?
have you or anyone else put any type of chemical (other than antifreeze) in the cooling system?
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Could be any of several things. If it's a bad bearing, especially a connecting rod bearing, it could trash your engine if it fails completely. It could also be less catastrophic, but it needs to be checked out.
I don't think the fuel reset is going to do it. Does the engine sound different when it turns over than it used to? I think you might have got it too hot. Did you shut it off or did it shut its self off?
Check transmition fluid is via the trans dip stick located were the engine meets the tranny.. Dip stick should be labled transmition with the engine hot and car in park. pull dip stick out wipe clean. reinsert into tube fully then remove. the highest oil level is the reading level is reference to the stamped marking on the dip stick indicating fluid level "high or low"
Was the engine overheated when it shut down on the highway? If so, it probably seized due to a stuck bearing, when you restarted the engine, the bearing spun and now you likely hear a connecting rod knocking around in the engine without bearings. This will mean you need a new engine. If the engine didn't overheat, then it's possible that a valve seat in the cylinder head fell out of place and is now banging around inside a combustion chamber destroying the engine and you will likely need a new one. This was a very common problem on one of the Ford based 4 cylinder engines, it depends which one you have. The major offender was a 2.0 litre. Another possibility, the timing belt has jumped and the pistons are now hitting the valves, causing the engine to run rough. This will either require a major repair or a new engine.