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Brain reset I couldn't restart engine?

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  • Angela
    Angela Jan 03, 2014

    Hi daniel , I want to help you with your problem, but I need more information from you. Can you please add details in the comment box? Pending on what happened. Brain board may need replaced.

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How to bypass an ECU unit on my Toyota Corolla


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The brain is telling you it thinks the engine is due for a service. Mostly this can be ignored if the engine has been serviced but it is reckoned some management systems reduce the power output of the engine if the brain continues thinking it needs a service.

While some service indicators can be reset fairly easily, I seem to remember the BMW needs dedicated diagnostic equipment to reset it.

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NEED TO RESET THE BRAIN


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HOPE THIS HELPS

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What are the functions of the brain box in a car?


Well, there are several "brains" in your car, but most people are referring to the ECU (engine control unit) when they refer to the brain. The ECU interfaces with all of the engine management sensors and adjusts fuel, timing and other performance-related issues real-time as you drive. It uses algorithms written into its programming to make your engine run as efficiently as possible. It also detects problems with engine sensors and equipment and alerts you via the check engine light and the OBD hook-up.

Hope this is an answer to your question,
matt

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2000 cadillac dts. Vehicle is engine is skipping ane fuel needle pegs out to (E) empty while driving.


Sounds like at least one or more of the electrical wires leading to your fuel pump may be shorting out. Possibly corrosion or a weak point. If it is happening intermittently, the connection is probably on the verge of breaking, at which point your vehicle will stall and you will not be able to restart it. You will think that you have run out of gas because your fuel indicater will of course be buried in Empty, even if you have just filled the tank. In an attempt to locate a weak link in the electrical wires, start at the gas tank and trace the wires from there back to the engine. The wires are likely housed loosely in a plastic tubing that protects them under the vehicle and the corrosion point is usually near the end of the plastic tubing just short of where they connect at the plug at the fuel tank. If you find a weak link, you can slide the protective cover back, cut the weak part of the wire out, splice it back together. However, once you have cut one or more of the wires to the fuel pump, your vehicle's "computer" may have to be reset in order for it to even turn over because some vehicles have that default safety feature programmed into their "brain". (not a gadget the average DIY mechanic has in their tool box). There is very possibly a way to interupt the signal to the "brain" while splicing the wires, so that the "brain" is unaware that the wires were cut. Maybe disconnecting the battery, but of this I do not know. I don't think that temporarily pulling the (larger) fuse to the fuel pump would do the trick, because I think some computers have to be reset if that fuse has been pulled also. Good luck. Hope it is as simple as some accessible, easily repairable wires!

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