Question about 2009 Kia Rio

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Can u solve error code po734 4th gear incorrect ratio car kia rio 2009

Gear incorrect ratio

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Go to the radio station that you want, once there, push any of the numbered buttons and hold it there for a couple of seconds. That should set it.

Posted on Nov 19, 2008

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SOURCE: 2003 kia rio I changed the fuel filter the car

had similar problem, 2003 rio 1.6l idle fine and die when trying to accelerate or lurch and die ran fine in reverse change timing belt,wires plugs, had codes for multi cyl misfire and low injector voltage, still same lurch and die. try wiggle test on sensor plugs and main engine harness between battery and engine . i did this and found car smoothed out,tried wiggle again and car died,took harness apart where i wiggled it and found broken wire to crank sensor.good now

Posted on May 02, 2010

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SOURCE: gear box oil filler plug - kia rio

you have to take off the speedometer cable/wiring harness from the top of the trans and fill it from there....one 10mm bolt...very awkward spot...it might be snug, so just take a flat head screwdriver from underneath to tap it loose...

Posted on May 14, 2010

joelwilcox
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SOURCE: what is a kia rio p1800 error code mean?

P1800
Engine torque signal malfunction
Threshold Value ~ Circuit continuity: Open or shorted
Enable Conditions ~ NA
Time Requirements ~ Continuous
MIL Illumination ~ No MIL illumination
Related Items
1)Open between TCM (C221-41) and ECM (C254-68).
2)Short to B+ or GND between C221-41 and C254-68.



STEP
INSPECTION
Y/N
ACTION
1
With ignition off, disconnect C254 from ECM and C221 from TCM. Measure resistance between C221-41 and C254-68 (less than 1 ohm).
Is resistance as specified?
YES
Go to step 2.
NO
Locate source of open or high resistance and repair as necessary.
2
Measure resistance between C254-68 and GND (infinite resistance).
Is resistance as specified?
YES
Go to step 3.
NO
Locate source of short to GND and repair as necessary.
3
Turn ignition on and measure voltage at C254-68 (0v).
Is voltage as specified?
YES
Thoroughly check for loose, bent or corroded terminals in circuit than go to step 4.
NO
Locate source of short to B+ and repair as necessary.
4
Clear codes and return vehicle to original condition. Verify any repairs by driving vehicle with KIA Data Pro connected to OBD-II connector and monitoring for pending codes (refer to section 3 of the KIA Data Pro Generic OBD-II Program Card reference manual).

Posted on May 29, 2010

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1 Answer

My 2009 rio rough idles and runs rough.


Hi. Try this site, as other Rio owners often share the same problems: http://www.kia-forums.com/kia-rio-forum/

You could also try: https://www.reference.com/vehicles/causes-car-run-rough-57bf8a482987a396#

If you know anyone with a code reader, it may pin point the problem for you.

I hope this helps.

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I have a 2002 kia rio and my check engine light came on the dianost said the problem was 4th gear incorrect ratio! What does that mean?


The purpose of the automatic transmission is to match the engine's optimum power and torque characteristics to the driver's desired rate of acceleration and speed by auto-selecting different gear ratios or 'speeds' to power the wheels.

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2 Answers

Code po734


CODE PO734 A / T ADDITIONAL GEAR RATIO ERROR IN FOURTH GEAR, POSSIBLE CAUSES; RELATED DTCS WILL BE PRESENT, TRANSMISSION SOLENOID PRESSURE SWITCH ASSEMBLY HAS MALFUNCTIONED OR FAILED, INTERNAL TRANSMISSION MECHANICAL PROBLEMS MAY EXIST, INTERMITTENT GEAR RATIO ERRORS ARE PRESENT.

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Code po734, po735


This is what your codes mean:

Trouble Code-P0734 (A/T Additional Gear Ratio Error In Fourth Gear)


Trouble Code Conditions:
Vehicle driven to a speed of 4-37 mph at more than 500 rpm, gear selector in 4th Gear in Drive, and the PCM detected too much difference in the engine speed and output shaft speed.

Possible Causes:

  • Customer may complain of intermittent 4th gear operation
  • O/D and 2/4 pressures less than 75 psi
  • O/D or 2/4 clutch volume indexes out of specification
  • O/D accumulator seals are damaged
  • Transmission enters "limp in" mode running in 4th gear

Trouble Code-P0735 (A/T Gear Ratio Error Fourth Prime)

Trouble Code Conditions:
Vehicle driven any forward Gear, and the TCM detected the ratio of the Input speed to the Output Speed did not match the current Gear Ratio (this test can take up to 5 minutes).

Possible Causes:

  • Related Gear Ratio trouble codes may be stored (note that some of these Gear Ratio trouble codes may be intermittent)
  • Transmission has internal problems or damage present
You have a transmission problem.

Jan 17, 2011 | 2003 Dodge Durango

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dodges do not have a strong transmission, I would be checking salvage yards for a replacement.

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How many quarts of oil for 2009 kia rio


Kia rio 2009 model is very sleek car. Oil should be 4 litres/ quartz.
It is a very lovely car.
Cheers.

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Car error code po732 gear 2 ratio incorrect


there is a lot of reasons
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TR switch
mechanical fault

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I have the same problem code P0731 is the only code


P0731 code in my book states
Gear 1 incorrect ratio

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