1987 Hyundai Excel fuel problem

1987 HYUNDAI EXCEL
94,000 MILES • 4 CYL • FWD • AUTOMATIC
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TONYI
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  • 1 POST
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.
Feb 23, 2010 at 9:57 PM
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RASMATAZ
  • CERTIFIED EXPERT
  • 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.
Feb 23, 2010 at 11:10 PM