Search engine trouble codes.
Example: P0120
B1291 Toyota Mega engine code seems a kind of body problem, we try to show one by one the meaning and the solution.
Brief explanation of the B1291 Toyota Mega code and definition of B1291 Toyota Mega is the bottom side.
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Body Code Problem is antilock brake system, electronic suspension and steering systems. |
| 1 | MFG - Manufacturer Specific |
| 2 | Accelerator Pedal Position (APP) Sensor 1 Performance |
| 9 | Crankshaft Position Sensor Circuit Performance |
| 1 | TFP Valve Position Switch-Drive Without Drive Ratio |
MFG - Manufacturer Specific codes, which have a '1' as their second digit to indicate they are unique to a particular vehicle make or model. These special codes were deemed necessary by the vehicle manufacturers so they could provide additional diagnostic information beyond the basic list of generic OBD II codes for all kinds of faults, not just emissions-related faults.
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How To Fix B1291 Toyota Mega ?
The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions. |
Deactivation of cylinders is achieved by releasing a synchroniser pin that normally interlocks the cam follower and rocker arms. B1291 code resolves the synchroniser pin is released using hydraulic pressure which is controlled by a dedicated solenoid. When you see B1291 Toyota Mega engine fault code on your engine code reader this description will help you.
| B Codes | List of all Body codes. |
Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the B Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.
BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.
