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Re: Orange wire to ECU pin 14 Posted by sam96CS [Email]  (#852) [Profile/Gallery]
(more from sam96CS) on Mon, 14 Apr 2014 05:29:27
In Reply to: Orange wire to ECU pin 14, tz, Sun, 13 Apr 2014 22:39:18 Members do not see ads below this line. - Help Keep This Site Online - Signup |
There will be so little difference in a '96 lpt that it isn't worth the effort. The idle will be slower and steadier after the ECU has "re-learned" how to idle. Depending on the throttle position the spark will be advanced more than it would be with the orange wire connected. The impact on power and mileage will be too small to measure in real world driving conditions. The car will be no more or less drivable than it is with the wire connected.
If you want to test the idea temporarily then pull fuse #9, which supplies power to pin 14 on the ECU. While this fuse is pulled you will not have backup lights, power to the rear windows or power to the sunroof.
Snipping the orange wire will be rewarding if you convert to a fpt. Presently your boost is limited to about 0.345 bar (5 psi). Snipping the orange wire will not change that. If you convert to a fpt the maximum boost will be about 0.81 bar (11.75 psi). If you convert to fpt and snip the orange wire the maximum boost will be 1.0 bar (15.7 psi). The maximum torque increases are from 191 ft. lb. (lpt) to 217 ft. lb (fpt automatic) to 238 ft. lb. (fpt automatic with orange wire snipped). The increase in torque combined with the ECU's active management of the turbo make the car much easier to drive as a fpt.
Power isn't free. More boost means more fuel consumption. Snipping the orange wire means the ECU will make no effort to spare the transmission when your driving is spirited. I've noticed however that the engine has more low end grunt so that the transmission doesn't need to downshift as frequently as it did with the lpt. More boost means more strain on the turbo also. That said, I'm at 205,000 miles with zero turbo and transmission problems.
, Sat, 12 Apr 2014 12:09:21, Mon, 14 Apr 2014 12:55:36, Mon, 14 Apr 2014 05:29:27 <-- Viewing This Message, Tue, 15 Apr 2014 14:57:45, Mon, 28 Mar 2016 08:25:58, Tue, 15 Apr 2014 22:49:22
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