Can a blown fuse turn on the check engine light?

Yes a fuse that controls an emissions device can be blown and cause a check engine light.

What does it mean if my check engine light comes on and off?

Yes, believe it or not, a check engine light on and off intermittently could be caused by something as simple as a loose gas cap. Your gas cap might also cause your check engine light to come on and off intermittently if there is something wrong with it.

What is the Check Engine light trouble code?

Check Engine Light Trouble Codes for Old and New cars and Trucks. Some Vehicle Specific Codes. Full list of OBD II Diagnostic Trouble Codes. If your Check engine light is on you may have a serious problem. Scan your codes and follow the chart to determine what the code means. Some parts stores will scan your codes for free.

What is the diagnostic code for a car?

This list contains standard diagnostic trouble codes (DTC’s) that are used by all manufacturers to identify vehicle problems. The codes provide below are generic codes that may not apply to all vehicles.

How can I read the trouble codes on my car?

To read the trouble codes from the engine control unit, you need an OBD2 scanner. You can either drive your car to a workshop and let a mechanic read the trouble codes from the engine control unit, or you can also do it yourself if you have a scanner.

What should I do if my check engine light keeps flashing?

The first thing you should do if the check engine light is flashing or is constant on your dashboard is to read the trouble code memory. When the engine light is lit up, and the engine control unit recognizes a problem with the engine, the engine control unit will store a trouble code in the memory.

Can a check engine light code be troublesome?

Oxygen Sensors, otherwise referred to as O2 Sensors, and their related check engine light codes, can be troublesome at the very best! Today we discuss the design and function of these sensors, and some of the pitfalls encountered during the diagnosis of their related fault codes.

What does the Gas CAP Code mean on a car?

The gas cap code is a common diagnostic trouble code that might turn your check engine light on. I put together a video discussing a problem my neighbor had with Nissan Maxima four door sedan after they filled the fuel tank.

Can a dying battery cause a check engine light to come on?

A dying, fading car battery means low voltage. As a result, your car’s computer, which is responsible for reporting error codes, is also receiving low voltage. An error code will be generated which will in turn trigger the Check Engine Light or even the Battery Charge Warning Light to display.

Can a loose gas cap cause check engine light to come on?

Some vehicle models – including the Honda CR-V – have a separate fuel cap warning indicator on the dash. Either way, if the issue is a loose gas cap, even after fixing it, you may need to drive for about 50 to 100 miles (80 to 160 km) before the check engine light resets.