When does the AC turn on my Check Engine light comes on?

When does the AC turn on my Check Engine light comes on?

When the AC is turned on my Check engine light comes on ,… Q: When the AC is turned on my Check engine light comes on , code reading throttle position sensor, not enough voltage.

What to do if your check engine light is not working?

The AC can then be checked for the system freezing up from possible temperature sensor failure, or a problem with the expansion valve. Only an in-person check can diagnose all three problems. I would recommend that you start by having the Check Engine Light illumination diagnosed by a certified mechanic, such as one from YourMechanic.

How many volts does my check engine light have?

You will need to have the charging system checked to make sure it is putting out above 13.2 volts at idle and the amperage at 1500 is within specified range of 87 amps and that the voltage does not drop below 13.5 with no load.

What to do if your air conditioner is not working?

The cam sensor should also be checked for failure. The AC can then be checked for the system freezing up from possible temperature sensor failure, or a problem with the expansion valve. Only an in-person check can diagnose all three problems.

When the AC is turned on my Check engine light comes on ,… Q: When the AC is turned on my Check engine light comes on , code reading throttle position sensor, not enough voltage.

The AC can then be checked for the system freezing up from possible temperature sensor failure, or a problem with the expansion valve. Only an in-person check can diagnose all three problems. I would recommend that you start by having the Check Engine Light illumination diagnosed by a certified mechanic, such as one from YourMechanic.

Can a code reader fix a check engine light?

Most code readers will allow you to turn off or reset the check engine light. But this action alone does not actually repair the underlying problem. In many cases, the light will simply come back on later.

What does it mean when your check engine light is flashing?

Is the CEL Lit or Flashing? If the light is steadily lit, that means that one of your engine sensors is doing one of two things – it’s either sending a signal to the vehicle’s ECU that something is wrong, or the vehicle’s ECU (computer) itself has lost an accurate read on that particular sensor – meaning, the sensor has gone out.

How to fix a check engine light on a car?

How to Fix Check Engine Light. 1 Buy an OBD Reader. It isn’t expensive to buy your own OBD code reader. With this handy tool, you can check common engine faults without paying a 2 Scan for Engine Codes. 3 Search the Engine Code. 4 Replace the Defective Part. 5 Erase the Code.

How long does it take for the Check Engine light to reset?

How long does it take for the check engine light to reset? If you are sure you have fixed the problem, it takes around 10-30 successful cycles before the check engine light disappears. One process is one cold-start until the engine is warm.

Why does my check engine light come on when the AC is not running?

Only when I run the AC the check engine light pops up along with the triangle with exclamation point , code reading throttle position sensor/ not enough voltage and the cars RPMs fluctuate and car runs really weird. I reset the computer by hooking it up to a code reader. As long as the AC is not running, car runs fine.

How to reset the Check Engine light on your car?

How to Reset the Check Engine Light. 1 Drive Till it Turns Off. This is the easiest way. Your vehicle’s sensors will generally recheck the problem that led to the CEL. If you’ve fixed the 2 Turn the Car Off and On 3 Times. 3 Disconnect and Reconnect the Battery. 4 Use an OBD Reader.

Where do I find the Check Engine Light code?

Then, press the “read” button on the scanner to access the check engine light code. The code will be a series of letters and numbers. Record all of the codes so you can figure out what they represent and make the necessary repairs to your vehicle.

You will need to have the charging system checked to make sure it is putting out above 13.2 volts at idle and the amperage at 1500 is within specified range of 87 amps and that the voltage does not drop below 13.5 with no load.

How to know if your air conditioner has a trouble code?

2) Within 20 seconds, simultaneously press REST and defrost push buttons for more than 2 seconds. The Light Emitting Diode (LED) in the recirculated air push button will blink and the display window will show “di R”.3) Press AUTO push button repeatedly, recording each DTC,until all DTCs are displayed.

How to delete a / C Diagnostic Trouble Codes?

Proceed to ERASING DIAGNOSTIC TROUBLE CODES. 1) After display window shows “En° d”, press AUTO push button once again. Display window should show “dE L” (delete). 2) To erase DTCs, simultaneously press down and up arrow push buttons for more than 5 seconds. The display window should show “- –“. If not erasing DTCs, press the AUTO push button.

Can you read the fault code on a Mercedes Benz?

Can read fault codes from multiple systems such as transmission, engine, ETS, airbag and more. Can clear fault codes. Can read and erase all fault codes on Mercedes-Benz cars. Only works on MB but can perform further troubleshooting including SBC brake systems, convertible systems, Air Conditioner (A/C) system. 3. Mercedes-Benz Star Diagnostic DAS