C3108 Ford Mercury OBD Code

OBD/2 C3108 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.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

C3108 Ford Mercury Error Code Repair Process :

For climate control a/c pressure switch circuit short to battery check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. C3108 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks climate control a/c pressure switch circuit short to battery with your car's computers to find out exactly what's prompting the light to turn on.

Common Causes of Ford Mercury C3108 OBD2 Code

A common cause of code C3108 is the failure of Climate Control A/C Pressure Switch Circuit Short To Battery, but there are several other possible causes as well, such as ;

Exhaust tube
Faulty Fuel injector
Intake Valve Timing Control Solenoid Valve circuit poor electrical connection
Fuel pressure

C3108 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

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

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C3108 Ford Mercury OBD Code

C3108 Ford Mercury Error Code Repair Process :

Common Causes of Ford Mercury C3108 OBD2 Code

C3108 code for other Ford cars