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.
November 11, 2009.

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
-Oxygen sensor

Nov 11, 2009.