3 codes came on P1507,P1504and P0175 what do they and what do i do to fix it myself

The P1507 code means that the engine idle is out of factory specification. Sometimes the Idle Air Control (IAC) may have carbon built up.

system to rich bank 2 the following links should help
P0175 System Too Rich Bank 2 https://www.obd-codes.com/p0175 P0175 System too rich bank 2

2002 Hyundai Elantra DTC P1505 AND P1507 Engine Performance same as kia

That is P0175, not Po175

Go to the link and read all about this fault. https://www.obd-codes.com/p0175

Possible causes
- Faulty Idle Air Control (IAC) valve
- Idle Air Control (IAC) valve harness is open or shorted
- Idle Air Control (IAC) valve circuit poor electrical connection
What does this mean? Tech notes
The P1507 code means that the engine idle is out of factory specification. Sometimes the Idle Air Control (IAC) may have carbon built up. Disconnect the car battery, remove the valve, clean, re-install valve, and drive the vehicle for about 5 minutes with the headlights and A/C ON to get the idle relearned.
If the problem persist, the IAC valve may need to be replaced.

Read more: http://www.engine-codes.com/p1507_ford.html#ixzz3sFPyZe00

Here's a link to the P0068 code. P0068 MAP MAF Throttle Position Correlation Here's the link to the P0175 CODE. P0175 OBD II Trouble Code

code p0175 refers to --system too rich bank 2. causes ---intake blocked---EVAP canister purge valve---fuel pressure---EGR system---injector/s HO2s The first thing I would replace is the o2 sensor in bank2 Use genuine only as the cpu settings may be different to cheapies.. check air filter and the purge valve.

P0175 : That means your car is running rich in Bank2.

Could be your 02 sensor or your MAF sensor.

Repair information for the OBD-II trouble code P0420 - Catalyst System Efficiency Below Threshold (Bank 1)

Answer P1507 means "Idle Air Control Underspeed Error". It can be most commonly caused by a vacuum leak, a damaged Idle Air Control (IAC) assembly or a stuck IAC valve that ...

Hi there. Sounds like you either need to clean the throttle body.If code still comes back on you need to replace the IAC valve.It on the throttle body and controls the idle and air control to the motor.Hope this helps you.Have a great day...

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