OBDII DTC Doctor
DTC Doctor archive
These OBDII Check Engine Light Trouble Code walkthroughs will help you clear your check engine light issues and any OBDII or smog...
DTC P0100 – How To Test a Nissan Altima MAF
Problems with your Nissan Altima Mass Air Flow (MAF) Sensor can lead to driveability problems and the OBDII DTC of P0100. This generic OBD...
DTC P0100 – How To Test a Nissan Frontier MAF
When the mass air flow (MAF) sensor in your 2.4 liter KA24DE Nissan Frontier fails, your check engine light will turn on. Attaching a...
DTC P0155 – How To Test a LR4 02 Sensor
If you are looking for the best bang for the buck LS1 swap for your car, it's hard to beat the LR4 GEN III...
DTC P0155 – How To Test a LQ4 Oxygen Sensor
The DTC of P0155 informs the driver that there's a problem with the upstream 02 sensor in the 6.0 liter LQ4 Chevy engine. More...
Man Faces 20 Years for smuggling Silvias
You've heard this story before. Someone getting into trouble for daring to dabble in illegally imported vehicles in a gray market and it's a very...
How To Convert a 2JZ Sump
It's not always easy to put together a 2JZ swap, because there's just so many variations of the 2JZ. Whether you are installing a...
DTC P0123 – How To Change a LS1 Throttle Body
Throttle body and throttle position sensor errors can trigger this problem trouble code of P0123. Otherwise known as Throttle Position Sensor/Switch A Circuit High...
How To Remove a Stuck 2JZ Crank Bolt
You're nearing the meat and potatoes part of your 2JZ teardown, and just as you begin to get into it your crank bolt stops...
How To Troubleshoot your LS1 Swap
So you're nearing the end of your epic LS1 build, only to find out that when you insert your ignition key and turn it,...