P702B Mercury Mystique OBD Code

OBD/2 P702B error code description and symptoms.

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code P702B, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code P702B on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

P702B Mercury Mystique Error Code Repair Process :

If your check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P702B and engine control unit are in charge of monitoring a bunch of different , and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Soso)
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Repair Time (50 Min.)
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Cost Prediction : $ 40-75

Common Causes of Mercury Mystique P702B OBD2 Code

A common cause of code P702B is the failure of , but there are several other possible causes as well, such as ;
Wrench Tool P702B is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

P702B code for other Mercury cars

You can view according P702B DTC for your car model. We selected several models to see obd2 solutions click and view it.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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