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Discussion Starter #1
Hey guys , I have a 03 v6 tiburon and I'm having some issues... so my car starts really bad when it's cold, I have to keep turning the key and try to start it several times until he resides to start and it starts with some misfire but after a few seconds he start acting ok ,run smooth and works fine ! Until I turn it off and wait like 5 or 10 minutes and he wont start until it cools down .... this happens everytime I drove it for some 25 minutes or so distance ... can anyone here help me?
 

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check for any pending and stored codes.
how many miles? recent maintenance?

compare IAT and ambient temp (car sitting overnight)
could be bad crankshaft position sensor. the wires get brittle overtime and exposed wires can cause hesitation to start and misfires.
 

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Discussion Starter #3
159,miles. It doesn't have check engine light but I have to check the stored codes .

Will buy crack sensor soon but the wires are ok .

Recent water pump and gas pump. Someone told me it was the gas and I went and bought a new one from auto zone but it seems to be doing the same problem.
 

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if you end up changing crank sensor, make sure to buy OEM part.
 
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