Trouble code P0411 means: Secondary Air Injection Incorrect Upstream Flow Detected
After repairing the cause of the code, you clear the code with a scan tool.
What does obd code P0740 mean
The preferred method is to use a scan tool after repairing the cause of the code.
plug a obd 2 code reader into your car and activate it.
OBD I, but for the most part, you can use OBD II
OBD code P0304 is Cylinder Four Misfire.
I would think not. The codes are unrelated. P0122 is Throttle Position Sensor. P2011 is Intake Manifold Runner Control Circuit.
Obd-on board diagnostic. The port is the plug the scan tool or code reader connects to.
J1850 is not a trouble code. It is a protocol that the OBD-II system uses. Trouble codes will be represented by a P before the numbers
OBD I code 67 - Neutral Drive Switch Circuit Open ( key on , engine off )
OBD code P1127 mean Exhaust not warm enough.
Cylinder #1 misfire.