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1987 Hyundai Excel fuel problem

Tiny
TONYI
  • MEMBER
  • 1987 HYUNDAI EXCEL
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 94,000 MILES
On level road car runs fine going up hills car wants to stall then I wait a few min. And car goes I changed fuel filter cap rotor coil plugs wires on level ground car can run for 5 hours and not stall be steep hills forget it even when I went to emissions I had to go to an in ground dyno place, the ones you drive car up on front end car stalls after a few min.
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Tuesday, February 23rd, 2010 AT 9:57 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.
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Tuesday, February 23rd, 2010 AT 11:10 PM

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