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Will not start when the engine is warm

Tiny
CHAR YOUNG
  • MEMBER
  • 2002 INFINITI G20
  • 4 CYL
  • 123,000 MILES
My car will not start when the engine is warm.
I changed the oxygen Sensor, spark plugs and I have checked the car oil and it is fine.
After I have been driving around for a while and stops the car (engine warm), and if I try to start the car after one minute it will not start. (In order to get it starts, I have to start the car with press a little gas pedal).
So therefore I ask you guys, what do you think causes the engine not to start when it is warm? It is very annoying.
When the engine is cold, it starts up right the way.

I did clean the throttle body and IAC, I still having the same problem as I described above.

Thanks ahead for answering my question.
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Monday, March 6th, 2017 AT 9:49 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
This may be a fuel pressure problem check with a gauge auto parts rent it and you may need an adapter in order to use it. see link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Tuesday, March 7th, 2017 AT 6:23 AM

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