2003 4Runner V8 Computer removal..Help

[Phx4runner]

I have purcahsed a computer upgrade from Jet Performance for my 2003 4Runner V8.. The problem is I have to remove the computer then overnight it to them for the upgrade.. seems simple enough, I located the computer behind the glove box but am unsure as to how to remove it and definitely don't want to damage it... Can someone walk me through this please...Thanks

 

[Biff]

I considered that chip, but didn't want to risk damaging my ecu, also the promise performance gains were not worth it. Here is a good thread on the chip, not for an 03 runner but its still the same.


http://www.yotatech.com/showthread.php?t=1750&highlight=Jet+Chip

 

[Vortec4800]

How easy is it to switch back for warranty work? My friend had a chip in his VW and they installed a socket in his ECU so he could put the stock chip back in whenever, that way if he needed warranty work he just put the old chip back in and took it to the dealer. Also, what gains does the chip claim for the 03/04 V8? If you decide to go with it post a review here, if its good I know I'd be interested...

 

[Phx4runner]

I considered that chip, but didn't want to risk damaging my ecu, also the promise performance gains were not worth it. Here is a good thread on the chip, not for an 03 runner but its still the same.


http://www.yotatech.com/showthread.php?t=1750&highlight=Jet+Chip

Well this isn't considered a chip as they re-program the ecu itself for better operation efficientency and added horsepower (approx 10-15) However there is a down side and that is if down the road your considering adding a supercharger, air charger etc.. it will need to be re-programed for those add-ons..

 

[Biff]

Do a search on Jet products (chip or Ecu reprogram) you will find they are not as reliable as you think they are. Spend a few more dollars and get a Borla with a TRD air filter which should get you about 16-18hp combine. IMO not worth touching the ECU.

Good Luck though


This is for an ECU repgram(not chip) from JET. Scroll down to ECU UPGRADE


http://www.gadgetonline.com/fuel.htm#ECU Upgrade:

 

[Phx4runner]

Do a search on Jet products (chip or Ecu reprogram) you will find they are not as reliable as you think they are. Spend a few more dollars and get a Borla with a TRD air filter which should get you about 16-18hp combine. IMO not worth touching the ECU.

Good Luck though


This is for an ECU repgram(not chip) from JET. Scroll down to ECU UPGRADE


http://www.gadgetonline.com/fuel.htm#ECU Upgrade:

Thanks...

 

[Good Times]

I'm with Biff on this one. There's no way a computer can suddenly give ya more hp (Toyota would have done this already).

Unless you have a built engine and need to reprogram the ecu for other reasons I don't see why this mod is even worth it on a stock engine.

Spend the big bucks on some real parts like an exhaust! (the air filter is worthless too I think).

good luck!

 

[Sac State]

me too

I wouldn't monkey with the ECU. For the same amount you could bolt on a magnaflow and K&N filter for a more robust HP gain. Too many electronics on this vehicle to introduce a third party bandaid.

If the dealer cannot even change the oil properly, how do you think they will trouble shoot any issue you have with a third party product that effects basically the entire vehicle?

 

[Weedo]

There's no way a computer can suddenly give ya more hp (Toyota would have done this already).

Not true. Example: A Z06 owner (or Camaro/GTO/Etc) can see RWHP gains of around 15hp with a "tune" (ECU programming). The reason why Toyota, in this case, hasn't given the extra 10-15hp out of the engine is so that it will safely run on 87 Octane (or worse) without issues. Bump the timing up (more HP) and the Octane requirements become greater.

That being said, without an actual back-to-back dyno, it's hard to say what one chip or tune may do on a certain car. Don't ever believe the numbers unless you've seen or done it yourself. That's what's great about the old pig American V8, everyone has been there done that with the tuning and mods to save me money!

 

[Good Times]

The reason why Toyota, in this case, hasn't given the extra 10-15hp out of the engine is so that it will safely run on 87 Octane (or worse) without issues. Bump the timing up (more HP) and the Octane requirements become greater.

My point exactly. Like I said, you can't get more HP just w/ a chip mod.

Whenever you deal w/ performance stuff, you always gotta up the gas accordingly. Heck, you can even add 100 octane and then reset your ecu and it'll run faster. (Toyota even states that you run closer to the actual hp/torque figures if you run premium octane btw)

If you really want to play, don't bother reprogramming your ecu. Just get a FTC or some fuel controller that is outside the ECU so you can manually adjust those curves.

Of course, when dealing w/ performance, higher fuel octane is automatically required.

 

[sharp4runr]

All this is doing is probably advancing your timing...