So I recently got my 2009 Scion tC it has about 120,000 miles or so. My mom said the cable for the battery needed to be replaced due to rats eating on them, so I had my wife's brother in law look at it and replace them so when he came gave me the car key after working on it i went to go start it and it started right up and I drove it to my wife's work. I never checked the engine oil or if it needed water or anything I just drove it home later that night and when I got home I just turned off and went inside and fell asleep next morning when I woke up I started it and the fan was loud so I let it sit and after it cooled down I went to work. later that night when I got off work I drove to gas station put gas and once I got on the freeway.

I was pushing it a bit hard and as I got to about 75/85 mph the car started making a thudding sound (I thought something got caught in the belt and if it was flapping or if the belt ripped but it couldn't of have or else the car wouldn't still be driving) so I kept going and that's when the car turned off. So without thoroughly thinking it through I put the car in N and turned the ignition off while I was going about 65/70 mph and started the car it started right up and I put it in D and kept driving the about just a few feet maybe about 20 feet or so it turned off again and I did the same thing by switching to N turning it off and starting it while going 55/60 mph now and it started once again and this time it turned right back off and

I tried one more time but it wouldn't start so I let it slow to a stop and I pulled over and I tried starting it and it wouldn't even crank. I had the car towed to my work and I looked at it and the oil dipstick was dry when I pulled it out and I put oil in it had the battery charged and took the starter to get tested and it was good but car still won't start or won't crank at all some people tell me maybe fuel pump someday blown engine others say my engine is seized but right now I don't know what it can be. I know I was careless and I have to deal with this now but I'm willing to work and fix it for it will take time and money but this is what I get and I just want to make sure of what you guys think it can be or give me some tips or thoughts so please help me with anything that will help me.


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Greetings & Salutations!

1. So it ran the fan right away when you started with cold-engine in morning? That's not right.
2. How many quarts of oil did you have to add before level reached top line on dipstick?
3. Did you check coolant levels? How much coolant did you have to add to top it off?

DO NOT RUN ENGINE!!! Remove all spark-plugs to ensure it will not run! You're risking permanent and terminal engine-damage! Possibilities:

- Seized engine - Turn engine over by hand and verifies it can rotate through 720-degrees (2 turns) without binding or bumping up against anything internally.
- Blown headgasket - do compression-test
- Wiped out rod-bearings - this is probably cause of thudding sound. Drop oil-pan, remove con-rod bearing-caps and inspect bearings.

If your rod-bearings look like this, you'll need new bearings and possibly new crankshaft. Post photos of rod-journals on crankshaft.

 

Yeah Danno is right your engine is broke and 100% don't try to turn the motor over. Buying an engine from a junk yard may be cheaper than trying to fix your current one.

 

"I was driving and the car was falling apart. But it was still rolliing so I kept driving."

WTF? Why drive a near dead car 75 or 85? I guess I could see trying to sling-shot through a bad neighborhood but come on?