Hard start and fuel fills the air

Tiny
JILOWA ISAAC
  • MEMBER
  • 2006 HYUNDAI TUCSON
  • 2.0L
  • 4 CYL
  • 2WD
  • MANUAL
  • 156,000 MILES
Starts okay when outside temperature is about 18 degrees Celsius, hard start when outside temperature is above 25 degrees Celsius.
Wednesday, October 9th, 2019 AT 8:45 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi,

More than likely you have a temperature sensor issue and I would suspect it is the ambient temperature sensor.

I attached the location but more than likely this is not reading properly which means it is going to through off the air fuel mixture creating a hard starting issue when the temp is warmer.

If this is the issue then we need to start going through these items laid out in this guide and go from there.

https://www.2carpros.com/articles/engine-cranks-excessively-before-starting
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Thursday, October 10th, 2019 AT 5:28 PM

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