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2000 Hyundai Accent. OBDII Codes 1402 & 1403

Tiny
NEIL.WARRINGTON
  • MEMBER
  • 2000 HYUNDAI ACCENT
  • 4 CYL
  • FWD
  • MANUAL
  • 169,000 MILES
2000 Hyundai Accent. I'm getting obdII codes of 1402 and 1403. As well as a misfire code. The car runs, but lacks acceleration and runs rough, it also is having lots of difficulty starting in the cold weather (-5 and below). I believe its a DMTL motor/valve code, but is there any way to be sure before I go replace it.

thanks,

Neil
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Monday, March 7th, 2011 AT 5:34 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Diagnostic Module Tank Leakage

Lagging acceleration could be caused by the following below:

Oxygen sensors.
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.
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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Monday, March 7th, 2011 AT 5:53 AM

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