OBDII Doctor

Home OBDII Doctor Page 10
Welcome to the OBDII How To section of My Pro Street. Here we review check engine codes and how to diagnose, fix and erase engine light issues. When your check engine light is on, you won't be able to pass smog or your local emissions tests. Want to learn how to erase your OBDII check engine light? Tired of that annoying engine warning? Need to fix your trouble code? The OBDII DTC Doctor section is perfect for you.

What is the OBDII Check Engine Light exactly?

The blinking yellow light on your dash or vehicle instrument cluster isn't just annoying, it's a sign that there is something wrong. This is known as your OBDII check engine light, and it is your vehicle's way of notifying you that there's a potential issue. The OBDII system is known as the On Board Diagnostic System. It's part of your vehicle computer system that's come standard in vehicles since 1996. This diagnostic system can help you diagnose, troubleshoot and root cause the check engine light on your car or truck. obdii check engine light When you have a check engine light on, you won't be able to pass smog. In some extreme cases the vehicle may not even start. There are many check engine light problems that can affect your gas mileage and your vehicle functions. Good news is, with our OBDII How To guides and tech tips, we can help you diagnose and fix your check engine light problems. Believe it or not, troubleshooting your check engine light isn't hard to do. With the right OBDII scan tool, you can fix your vehicle without an expensive mechanic and erase your check engine light.

What is a OBDII scan tool?

Many times these are handheld scan tools that connect to your vehicle, there are also wireless units that can connect to your mobile device. With the right guide or DIY OBDII article, you can use these devices to read the alphanumeric codes in your diagnostic computer. The OBDII scan tool works as a gateway into your car in order to get to that information you need. Need more information on your check engine light? Want to erase a CEL? Our OBDII Doctor can help you with what you need. This section is also geared toward those who want to convert or modify the On-Board Diagnostic components of their vehicles. This can come in handy if you want to complete an engine swap project or just want to upgrade your older vehicle. OBDII Trouble Codes P0143 - O2 Sensor Circuit Low Voltage  P0145 – O2 Sensor Circuit Slow Response Trouble Code Guides :
  1. All B OBDII Codes Explained - Full listing of all SRS and B OBDII Codes
  2. All C OBDII Codes Explained - Full listing of all Chassis OBDII Codes
  3. All P OBDII Codes Explained - Full listing of all Powertrain OBDII Codes
Learn more by subscribing to My Pro Street today for all the latest How To Guides and tech tips.

Popular FAQ

FAQ : Acura RSX ECU Pinout

It wasn't so long ago when Honda swappers took a look at the complexity that a K series swap included with a bit of...
2002–2003 Acura RSX parking brake diagram showing the factory 7–9 click specification, parking brake cable, rear caliper, and actuating arm.

How Many Clicks Should the Parking Brake Have on a 2002–2003 Acura RSX?

How many clicks should an Acura RSX parking brake have? The factory service manual specifies 7–9 clicks. Here's what to inspect when yours falls outside that range.

Ten Tips to Selling your Car

Having problems selling your car? These ten tips can help you figure out why your car isn't selling for the price you want. No matter...
Toyota GR GT road car beside the GR GT3 race car at Laguna Seca

Toyota GR GT Shares 80 Percent of Its Hardware With the GT3 Race Car

Toyota’s GR GT is closely related to its GT3 racing counterpart, with a dry-sump twin-turbo V8, carbon torque tube and hybrid rear transaxle.

FAQ : How to Modify Your 2G 4G63 MAF

If you are running rich with a slightly modified DSM, a cheap and easy way to help lean things back out is with the...
Ford F-150 undergoing inspection for an improperly secured front fuel-tank strap

Ford Recalls 223,472 F-150s Because the Fuel Tank May Fall Off

Ford is recalling 223,472 model-year 2023–2027 F-150 pickups because an improperly installed fuel-tank strap can allow the tank to leak or detach.

How To Reset Your Chevy Silverado Maintenance Light

Your Chevy Silverado maintenance light is responsible for reminding you of the regularly scheduled maintenance that's required for your truck. If you own an...

FAQ : Common LS VTEC Myths

Combining the low cost buck of the LS or non VTEC engine with a high flowing cylinder VTEC head, the hybrid Honda engine known as...