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2005 Hyundai Accent cranks, won’t start

05 Hyundai , accent sedan, lately car will not start. Engine cranks over good but just will not even offer to run. Once in while get a slight kick back via timing when trying to start. Used OBD-2 scanner and nothing shows up or codes stored. Let car set overnight, starts next day and rung. What is problem.This is Grandsons vehicle

When does this happen?

So it does start and run. Please tell us the conditions when it doesn’t start and when it does plus the miles on the car, and the transmission it has.

Have you tried starting it in neutral?

how old is the battery?

Cycle the key from off to on 4 or 5 times . . . slowly

If the engine now starts quickly, you’ve got a fuel pressure problem

If that doesn’t help, you could check for spark and fuel pressure next

A spark tester is cheap, and available at any auto parts store, and that is a lot easier than checking for fuel pressure

We have tried many different ways, battery is only 2 years old, put new ignition switch in , tried putting in neutral then park several times, nothing. The car, once it starts, it will run good for a few days , then will not start again. Left alone over night for day one to day two and then will start again. When it is running , there is no miss fires or rough idle/ running. Car just has a mind of its own and millage is under 100,000. Checked coil pack and has great spark, also new spark plugs. Tried using OBD-2 scanner/Diag. and nothing comes up. Run scanner on all sensors and operations of engine and all passed. May Be car needs a stick of dynamite put in the tail pipe, put it out of its misery,

Did you check the starter? when the copper contacts inside the solonoid are worned,the car will sometimes start with a few turn of the key and sometimes it won’t.An old trick is to hit the starter with a rubber mallet until the car starts.Obviously,you need a second person to do this banging trick.

OP said engine cranks over good. That would remove the starter motor from suspicion.

The next time the engine doesn’t start, slightly step on the accelerator and then try starting the engine.

If the engine starts, it points to a problem with the idle air control valve.

If the engine still doesn’t start, then I would suspect an intermittently malfunctioning crankshaft position sensor.


Off to On should cause the fuel pump to run a couple seconds each time. You may hear it. Don’t turn the key all the way to Start until you’ve done a few cycles of this “key dance.”

The idea is to bring fuel and fuel pressure up to the engine. A leaking injector or a leaking anti-drainback valve in the fuel supply line or fuel pump assembly can cause this condition.

Talked to grand son and he said that he put a new Crankshaft Position Sensor on about two years ago .Had him slowly step on gas pedal couple times and then try to start , but engine turns over good just does not start. Says that the engine seems like it kicked back on timing. the last time attempting to start . I read where the OCV ( Oil Control Valve could cause these type of problems, would check it out but just can not seem to find where it is located on the 1.6 Ltr. engine . DW