What is OBDII Testing
OBDII testing is a huge part of your vehicle emissions and overall functionality. When you have a OBDII check engine light on,...
How to Use your OBDII scan Tool
Your check engine light is on, and it’s beginning to worry you quite a bit. When your CEL is on, you...
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...
OBDII – Honda DTC Trouble Codes
OBDII HONDA DTC Trouble Codes
P1106 BARO Circuit Range/Performance
P1107 BARO Circuit Low Input
P1108 BARO Circuit High Input
P1121 Throttle Position Lower Than Expected
P1122 Throttle Position Higher...
How To Perform a GM OBDII Driving Cycle
Driving Cycles are an important part of diagnosing your vehicle, especially when you've got phantom OBDII codes or stored codes that must be retrieved....
FAQ : The OBDII Trouble Code and You
OBD is the On-Board Diagnostics of your vehicle's ECU or PCM, capable of testing many different facets of your vehicle and engine to ensure...
FAQ – OBDI and OBDII P72 Ecu Pinouts
The P72 ecu is a very common and widely used unit for either chipped applications, or similar piggyback systems to control the electronic fuel...
P0145 – O2 Sensor Circuit Slow Response
Frustrating and problematic, the O2 Sensor Circuit Slow Response P0145 OBDII trouble code can be a huge problem. It can negatively impact...
P0143 – O2 Sensor Circuit Low Voltage
What Does P0143 Code Mean?OBDII code P0143 - O2 Sensor Circuit Low Voltage is a diagnostic trouble code (DTC) that indicates a...
P0170 – Fuel Trim
The fuel trim is a ratio of fuel to air that your engine utilizes to produce power. Your onboard Powertrain Control Module...
