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ECU always have to be reflashed when replaced?

Yes, when an Engine Control Unit (ECU) is replaced, it typically needs to be reflashed or reprogrammed to match the specific vehicle's configuration and specifications. This process ensures that the new ECU can communicate correctly with other vehicle systems and utilizes the proper calibration settings for optimal performance. Additionally, it may require transferring any security keys or other unique identifiers from the old ECU to the new one. Always consult the manufacturer's guidelines for specific procedures.


Where is the ECU on a 2004 350Z?

In a 2004 Nissan 350Z, the Engine Control Unit (ECU) is located behind the passenger side dashboard. To access it, you typically need to remove the lower dash panel. The ECU is a rectangular black box mounted to the chassis, and it may be covered by a plastic cover that also needs to be removed.


Where is the ecu in a 2002 Lexus sc430?

behind instrument cluster, you don,t need to remove the ecu it could be reflashed with a device called TCODE, iam sending you a link in case you need more info http://www.pinaslocksmith.com/infolexus.html


Where is the location of the governor on 98 Chevy Malibu?

The governor is not a physical device any more. It it part of the programming in the ECU. There are devices sold to raise top end limits and rev limits for more performance or you can take the ECU to a shop to have it reflashed.


What fuses affect idle in a 2005 Nissan 350z?

it is not affected by fuse. the ECU controls the idle electronically. you need to do an idle relearn prosedure.


How much is it to reflash your 350z?

one can reflash the ecu themself. just need to know the pedal combinations. you can find this info on the Jim wolf technology website


What is the quarter mile time of a 350Z?

If you are running at sea level with a manual 350z you may have about 15.2s and 15.5 with a automatic. maybe you can have 13s with little mods like the basics bolt-ons; like intake, headers, exhaust, slenum spacers, and some ecu tuning.


How do you reflash 350z?

To reflash a Nissan 350Z, you will need an ECU tuning device or software that is compatible with the vehicle. Begin by connecting the tuning device to the car's OBD-II port, usually located under the dashboard. Follow the manufacturer's instructions to upload the new firmware or tune to the ECU, ensuring that you back up the existing settings first. After the reflash is complete, disconnect the device and start the engine to verify that the changes have taken effect.


When my previa gets hot it looses all power to engine and then cuts out?

It sounds like you ECT ECU - which is your Electronic Constrol Transmission. You do not need a new transmission ECT is the control unit for the transmission and will need to be reflashed or replaced. Afterwhich your transmission will work like new.


Where is the distributor located on a 350Z?

There is no "distributor" on a 350z.


Are Nissan 350z's rwd?

Yes, all 350Z are RWD.


How do you reset a Lexus key?

The answer depends upon which ECU your vehicle has. One ECU type ( 32 bit ) is programmed via the OBD-II port, and ECU RESET, KEYS DELETED, KEYS ADDED etc. Locksmiths will have one of 3 diagnostic tools necessary for this task, along with the needed RFID chip keys. The other type ( 16 bit ) has no OBD-II Path to the security modes on the ECU and must be REFLASHED. IT need not be replaced due to lost keys. If you STILL HAVE A MASTER KEY, the programming of additional keys one one of the two types is done on-board, and without diagnostic equipment. SOME dealerships will do the reflash on the 16 bit ECU, but many will tell you you MUST buy a new ECU. A good locksmith can do the job efficiently, often onsite, with more options than a dealer might offer.