P2393 Caterham 21 OBD Code

OBD/2 P2393 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.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P2393 Caterham 21 Error Code Repair Process :

For insufficient engine speed increase during self test 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. P2393 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 insufficient engine speed increase during self test with your car's computers to find out exactly what's prompting the light to turn on.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 70-120

Common Causes of Caterham 21 P2393 OBD2 Code

A common cause of code P2393 is the failure of Insufficient Engine Speed Increase During Self Test, but there are several other possible causes as well, such as ;

• Exhaust tube
• Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
• Engine Control Module (ECM)
• Variable Camshaft Timing solenoid stuck open

P2393 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.

P2393 code for other Caterham cars

You can view according P2393 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• P2393 Caterham 120 Superlight
• P2393 Caterham 1700
• P2393 Caterham 275s-sv
• P2393 Caterham 485r
• P2393 Caterham 7
• P2393 Caterham Beaulieu
• P2393 Caterham C
• P2393 Caterham R300
• P2393 Caterham Roadsport
• P2393 Caterham Seven
• P2393 Caterham Seven S3
• P2393 Caterham Super
• P2393 Caterham Super 7
• P2393 Caterham Superlight
• P2393 Caterham Superseven
• P2393 Caterham Vx

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