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Re: I have a 2000 tiburon has loss of power an the codes...
P0141 o2 sensor heater circuit malfunction bank 1 sensor 2
po455 evaporative emission control system leak Gross leak
po303 misfire cylinder three
p0732 gear two incorrect ratio
p0734 gear 4 incorrect ratio
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P0732 - Improper Ratio for Second Gear. P0734 - Improper Ratio for Fourth Gear.
This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as follows:
Torque converter slip ratio = A x C/B A: Output shaft revolution signal from revolution sensor B: Engine speed signal from ECM C: Gear ratio determined as gear position which TCM supposes
If the actual gear position is higher than the position (2nd and 4th) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.
This malfunction will be caused when shift solenoid valve B is stuck open.
Gear positions supposed by TCM are as follows. In case of gear position with no malfunctions: 1 , 2, 3 and 4 positions In case of gear position with shift solenoid valve B stuck open: 4* , 3, 3 and 4 positions to each gear position above.
Symptoms: Engine Light ON (or Service Engine Soon Warning Light)
Diagnostic trouble code A/T 2ND GR FNCTN with CONSULT-II or P0732 without CONSULT-II is detected when A/T cannot be shifted to the 2nd gear position even if electrical circuit is good.
Possible Causes: - Shift solenoid valve B - Each clutch - Hydraulic control circuit
P0715 Input/Turbine Speed Sensor Circuit Malfunction
P0731 Gear I Incorrect ratio
P0732 Gear 2 Incorrect ratio
P0734 Gear 4 Incorrect ratio
It seems like you were having an issue with your transmission but if you cleared your light and it has stayed off I would just keep a close eye on it.
Sounds like a dirty of faulty speed sensor. They can be removed and cleaned. Better off replacing. Do check the wires to the speed sensor. Trace wires from tranny to instrument cluster and make sure they are all in tact and clean.
P0732 and P0734 indicates gear ratio errors in 2nd and 4th gears, basically no 2nd and 4th gear. The one thing 2nd and 4th gear has in common is the band, the band is known to break, this is a common failure with this transmission and happens on a regular basis.
if it was me i would stop by a Hyundai dealership and talk to the service manger and he or she be able to get you this information wish you the best of luck Michigan Man.
Take/Tow your vehicle to an authorized Hyundai dealership and pay the diagnostic fee... they will tell you exactly what the problem is and the cost of parts/labor to fix it... at least this way you'll know what the problem is and what's required to fix it.
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