2003 HONDA ACCORD TROUBLE CODES

  • Tiny
  • tammyulrich
  • 2003 Honda Accord

Engine Performance problem
2003 Honda Accord 6 cyl Two Wheel Drive Automatic 114000 miles

Good Afternoon;

I did a diagnostics on my car and the follow results came up and I need to know the best way to fix them, as follows:

P0116 Engine Coolant Temperature Circuit Range/Performance Problem

P1238 Fuel Pump Secondary Circuit Malfunction

P0506 Idle Control System RPM Lower Than Expected

P0155 Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

P0121 Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem

What parts do I need and which is the most important one to fix.

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Wednesday, November 11th, 2009 AT 5:12 PM

1 Reply

  • Tiny
  • F4I_guy
  • Expert
  • 3,315 posts

We cannot tell you exactly what parts to replace because you have to run a diagnostic on this items.

However it looks like you will need:
-ECT sensor
-TPS
-Oxygen sensor

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Wednesday, November 11th, 2009 AT 6:06 PM

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