What is the p1251 fault code on a Toyota?
Once again you connect the scan tool and find code P1251. You examine the live data during a road test and find no issues. Given that the same fault code has returned, you decide to replace the turbo boost control vacuum switching valve (VSV) complete with hose network, and the return the vehicle to the customer.
What does the p0627 code on a PCM mean?
What the P0627 code means If the PCM has stored this code, it means that when the ignition switch is turned on, the ECM attempted to run the in-tank fuel pump or the fuel pump relay, but a malfunction occurred.
What should I do if my fuel pump code is p0627?
If the P0627 code is being detected, the vehicle should be repaired as soon as possible. While no symptoms may be experienced, this issue can lead to serious malfunctions, decreased performance, or eventual breakdown. What repairs can fix the P0627 code?
What to do if you have loss of power p1251?
Our customer arrives with an engine management light (MIL) illuminated and complaining of power loss. You attach the scan tool and find a fault code of P1251 with the relevant freeze frame data (P1251 Turbo overboost). A basic inspection confirms that hoses are OK and finds no connection issues.
What is the p1251 stepper motor fault code?
P1251 is a stepper motor fault code tgat is somewhat common on toyota hilux and prado. This video explains what to check on modified vehicles. Category Autos & Vehicles Show moreShow less Loading… AutoplayWhen autoplay is enabled, a suggested video will automatically play next. Up next
What is the fault code on a Toyota Pico?
Given that the same fault code has returned, you decide to replace the turbo boost control vacuum switching valve (VSV) complete with hose network, and the return the vehicle to the customer. Once again the vehicle returns to the workshop with fault code P1251 stored and loss of power.
How does boost control work on a Toyota p1251?
Looking closely at the vacuum control signal supplied to the boost control VSV we can see how the ECU sent the command to reduce boost and the correct response was followed by the boost control VSV given the fall in vacuum level to the boost control actuator.