2005 Hyundai Accent ENGINE BEHAVES BETTER WHEN ON LAST FEW

Tiny
NAT ASPIRATED
  • MEMBER
  • 2005 HYUNDAI ACCENT
Engine Performance problem
2005 Hyundai Accent 4 cyl Two Wheel Drive Manual

hi,
I checked every thing but cant find any reason for my car to choke whenever I apply substantial throttle, then it catches up to it slowly. But this behaviour goes away when the car is on its last liter of gas in the tank. At this time the engine behaves better. This is just a symptom, maybe it will tell an expert something about the issue.
But the main problem still is, that the car bogs down a bit when I press the gas pedal. It is more noticeable with the air conditioning on.
As for your suggestions.
I have checked the
Fuel Circuit
ignition and timing
MAP, oxygen, throttle position sensors
cant figure out what is the issue here. The engine was rebuilt 6 months back and the compression is like new.
any help is welcome
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Sunday, June 6th, 2010 AT 9:26 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Have you checked for vacuum leaks?
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Friday, June 18th, 2010 AT 11:36 PM

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