I got the readings P0743, P0755, P1747, P0443, P1451, P0135, P0141, P0155 and P0161. My biggest issue is that I never had any reason to think there was a problem with the vehicle. I just got in it one morning and the check engine light went on and the overdrive light on the gear shift was blinking. I never had one issue prior to these lights that morning?????
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I had problem(ford escape 6V 3.0 4x4 2002 )with the OD light it was on, transmission looked crazy and it engaged different speed for itself . The problem was that the sensor( high speed ) was wet and rusted ,this sensor is attached to the transmission box , it is inside in new models, the cost is 75 dollars and the labor cost 99 dollars..
DTC P0171 -
System Too Lean (Bank 1) and P0174 -
System Too Lean (Bank 2) Basically this means that an oxygen sensor in bank 1 or bank 2 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. Bank 2 is generally the side of the engine that doesn't have cylinder #1. Note: This DTC is very similar to P0174, and in fact your vehicle may show both codes at the same time.
You will more than likely not notice any drivability problems, although there may be symptoms such as a lack of power, detonation (spark knock), and/or a hesitation/surge on acceleration.
A code P0171 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry.There could be a vacuum leak downstream of the MAF sensor.
Possible solutions include:In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it's location if you need help. I find it's best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it's dry before reinstallingInspect all vacuum and PCV hoses, replace if necessaryCheck for a dirty fuel filter and proper fuel pressure
DTC P0155 - 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)This code refers to the front oxygen sensor on Bank 2. The heated circuit in the oxygen sensor decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it. The ECM tracks how long it takes for the oxygen sensor to begin switching. It the ECM determines (based on coolant temp) that too much time elapsed before the oxygen sensor began operating properly, it will set P0155. See also: P0135 (Bank 1).
You will likely notice poor fuel economy the illumination of the MIL.
A code P0155 may mean that one or more of the following has happened:O2 Heater element resistance is high Internal short or open in the heater elementO2 heater circuit wiring high resistanceopen or short to ground in the wiring harness
Possible SolutionsRepair short or open or high resistance in wiring harness or harness connectorsReplace oxygen sensor (cannot repair open or short that occurs internally to sensor)
DTC P0161 - Oxygen O2 Sensor Circuit Low Voltage (Bank 2, Sensor 2)It basically means the PCM detected either an excessive current draw, or an open or short in the circuit powering the oxygen sensor's heater circuit. This is in reference to the Heated Oxygen Sensor (2) located rear of catalytic converter (Bank 2).
There will likely be no obvious symptoms other than MIL illumination.
A code P0161 may mean that one or more of the following has happened:HO2S heater power circuit openHO2S heater ground circuit openHO2S signal tracking (due to oil or moisture in the connector)HO2S is damaged or has failed PCM has failed
Possible Solutions:Replace HO2 SensorRepair open or short in power circuitRepair open or short in ground circuitRepair damaged connector due to tracking
P0443 Evap purge control P1747 Pressure control "A" P0755 Shift solenoid "1" malfunction P0750 Shift solenoid "A" P0743 Torque convertor clutch circuit P0113 Intake air temperature high input For now leave the P0443 that is a evap code. for code 755 750 743 how did you get these code? clear it do key on engine running. the reason I say this is somewhere especially at the tranmission harness you are somehow disconnected. Check the transmission range selector switch closely, inspect the harness and do a wiggle test on the wires. some how your wire are disconnected
looks like most of you trouble is the "oxygen sensor". it in the exhaust pipe, about $25 PLUS. Changing it may very well help most of your other code problems, I would start there, it is a simple fix, you then need to clear all codes and see what comes up after replacement. You may come out very lucky. P01747 is transmission pressure control solenoid P01451Lack of Response From Passive Anti-Theft System Module -
Engine Disabled P0743Torque Converter Clutch System Electrical
failure. Do the Oxygen Sensor first as go from there. Good luck
My friend this sounds like a catalytic converter problem. A number one symptom in the case of a "burned up" catalyst is loss of power or as you put it bogged down. Try disconnecting at the flange if not too much trouble or simply remove the O2 sensor downstream and see if pressure changes (old trick)
I don't have access to my manuals right now, but do this - google "Ford DTC code P0102" and see what comes up. Then do other codes same way. You will be sure to gert ideas, especially if it is a help site. I'll check back & see how you are doing.