Question about 2000 Toyota Tundra

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New Computer needed?

My husband has a 2000 Toyota Tundra SR5. 2-3 weeks ago the EFI sensor/fuse was making a tick tick tick noise when the truck was off... thought it might be related to rain since that's the only time it happened... replaced it and the noise went away. Last week he put the truck in drive, heard a bang, the check engine light came on and had to put gas petal to ground for it to go... Took it to the dealership and they said it was a fuse but wouldn't show or tell my husband which one.... yesterday it happened again, without the bang... took it back to dealership... now it's the whole computer that needs to be replaced... we took it home to figure out what to do.... truck wouldn't start this morning... anyone have any ideas that might save us $1200??? Thanks!

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  • chai9875 Dec 04, 2008

    That's really all we know. Neither of us knows much about cars/trucks... we went by what the dealer showed as codes.. the current code the dealer is getting is saying the the computer needs to be replaced. Our neighbor thought it might be a clogged fuel filter because when you try to start it you can really smell the gas.

  • chai9875 Dec 05, 2008

    they didnt give the code to us but said it's the ECM

  • Toyota Ed May 11, 2010

    It is not a clogged fuel filter. Please call the dealer & get them to give you the codes. Replacement of ECUs is not a "common everyday task". They rarely fail.

  • Toyota Ed May 11, 2010

    What are the codes?

  • Toyota Ed May 11, 2010

    Please explain the actual failure(s) in a bit more depth.

    It sounds to me like you may have a failed throttle motor, NOT a computer...

    Please respond with more info.

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I would try to find a less expensive used computer for your truck at a junk yard or perhaps on ebay.

Posted on Mar 05, 2010

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This might seem like alot to do but with some understanding your husband can do it , or you :) ok here we go ; first go to autozone and get the hanes manual for that truck $25. . read up on the truck / fuel delivary /engine conponants ;ect just to understand how your truck works then with a little knowledge turn to the back of the book and look up year of truck engine compartment scematics look for the efi sensor location in the book then try to find it in the truck ( usually bye the carb/efi body MAYBE? ) ok this next is too trace the colorcoded wire that is connected to the sencor back to the truck firewall or fuse box . you have too to do whatever it takes to follow that wire .be very careful if useing exacto knife you are looking for the inline fuse [should be black in color round like a cylinder about 1inch long the scematics should show this but u never know there is no quick fix for this unless you want to pay anyway some of these fuses u can get from the dealer just look around and compare prices . splice it in and see if it starts or runs if it runs great if not replace the comp try a used comp or reman with a little knowhow you can do this and also this is the cheapest way

Posted on Aug 17, 2009

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