Common questions

How to record car trouble codes with no equipment?

How to record car trouble codes with no equipment?

Once the sequence has been initiated, the “Check Engine” light begins to flash. Each flash represents a number in a two-digit trouble code stored in the computer. A pause separates the first digit from the second digit. For instance, the code “23” flashes as follows: flash, flash, pause, flash, flash, flash. Record the codes as they flash.

Can a car code reader turn off the Check Engine light?

If it turns out that your code isn’t serious, this device can turn off that annoying check engine light. The scanner comes with a 2.5-foot long well-insulated cable that connects with your car’s OBDII data link connector; no other battery or charger is required as it powers up through that link.

How can I find the trouble code on my car?

Watch the “Check Engine” light for codes as documented previously. Turn the key to the “On” position while simultaneously depressing the odometer “Trip” and “Reset” buttons if your dash cluster is digital. The trouble codes read from the odometer display in this method.

What do I need to do to Reset my Car Computer?

You will need to clear this code out of the car’s computer. Clearing the codes is a simple process and can be done in a matter of minutes. Following the steps will ensure a clean start to your car’s computer and no more check engine light flashing.

How can I clear trouble shooting codes on my car?

Some forums can only be seen by registered members. After you create your account, you’ll be able to customize options and access all our 15,000 new posts/day with fewer ads. I hear people use scan tools to clear trouble-shooting codes on their cars. I reset the ECU on my car to clear the codes, but they come back.

What happens when you clear an ECU code?

The ECU on many cars today will start with default settings and adjust fuel/air mixture, timing, transmission shift points, etc. based on how the sensors behave. Clearing a particular code on the other hand simply tells the system “forget that failure happened and turn off the check engine light.” Not the same thing.

What happens when you clear a code on a 93?

Clearing a particular code on the other hand simply tells the system “forget that failure happened and turn off the check engine light.” Not the same thing. On a 93 though the ECU may not be quite that capable.

How do you clear codes-maintenance / repairs / repairs?

(Same thing as a Mercury Villager) Was an O2 sensor code. Turned out the sensor itself was OK; there was just a broken wire coming out of the O2 sensor. I mended the wire and then disconnected the battery for a minute. Reconnected the battery. Started engine. Check engine light came on and stayed on. Disconnected battery for 10 minutes.

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Ruth Doyle