Brianl764

So I have an sr20 swapped s13 coupe that has a no start issue. It just got towed a block over due to street maintenance and now it cranks but wont turn over. Just yesterday and recent past it has been driving fine no issues. About a month and a half ago it had the same issue and the cylinders were getting flooded and I replaced the fuel pump relay, and had a shop redo the wiring on the pump and replace the pump. What could this be???

brndck

FAST
Fuel
Air
Spark
Timing

come back when you've checked all 4 things and can tell us the results.


FURTHERMORE

cranking and turning over are the exact same fucking thing.

I have no idea what the fuck people are talking about when people say "it cranks but it won't turn over". You turn the key, the starter is physically engaging the flywheel and rotating the engine (crankshaft turns, pistons go up and down), THIS IS CRANKING. THE MOTOR IS TURNING OVER. THEY'RE THE SAME THING

Do you mean, it isn't FIRING??? Because you have no spark or no fuel? YOU need to provide US with more than just a set of symptoms for us to be able to do anything more than GUESS.

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TheRealSy90

I had a ka24e one time that had fuel, air, spark and timing was on. Wouldn’t run. Ended up being a fried capacitor in the ecu.


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brndck

how were the injectors firing then?

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TheRealSy90

No clue, my best guess is they were not firing at the right times. This was back in 2008 when I didn’t know much about these cars. Pulled the fuel rail off and cranked it and all four injectors sprayed fuel. Had spark at all four plugs. So probably a spark/fuel timing issue due to the blown ecu capacitor. A friend replaced the capacitor and it ran lol. So I guess that technically falls under “timing” just wasn’t mechanical.


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jedi03

could be cranking and not turning over if the crank or flywheel is broken...

brndck

Honestly I’d be super fucking impressed if that was somehow the case.

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Brianl764

It got towed a couple blocks over just before it happened due to street service. Could towing have affected a wire to the pump? I didn’t hear the pump priming when I tried starting it. Sorry for the vague responses so far, haven’t Been Able to get a real look at it yet cause I been working. Ima be starting diag tomorrow but any advice on where to look first due to the situation would be great.

brndck

check for power at the fuel pump first off. then if you DO have power, make sure youre getting pressure at the fuel rail. If yes, then make sure that you have spark and the injectors are firing when you're cranking the engine.

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Brianl764

Thanks dog I appreciate it. I’ll get back to y’all tm after I get some work in.

jedi03

id start with fuses before trying to move to wiring...

brndck

good call. I always assume people check basics first, but what do I know

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EFITTZY

As brndck said fuel air spark timing/compression. Also check injector o-rings, inspect your spark plugs. return with moar details

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