Question about 2005 Subaru Baja
There is no way to affect timing without having the EPROM reprogrammed, timing tables are set and in the EPROM (Electronic programable read only memory) of the PCM, so no fooling with the TPS will change the timing. Contact a performance chip maker, u will need to fill out a form of all the mods u have made and then send your computer in and they will write new programming onto the EPROM
Posted on May 30, 2010
The IAT is just a temp sensor. If the computer thinks its at 400 degrees the injectors will be shutting off, Not increaseing pulse with. Also if the PCM thinks the engine is hottter than normal it will reduce fuel and if it thinks its overheating it can reduce the fuel to the point the car will die. When you mod a IAT or ECT you need to have a higher resistance, not a lower resistance to increase fuel. If you mess with the TPS which is just a throttle sensor the car will idle higher or lower depending on what you do so thats not an option either. Now if this car is computer controlled for the timing there will be no way to change the timing, even if the distributor does rotate. Look on the emission label under the hood. If it doesnt give you a spec for timing then its not adjustabe. If you ****** the timing the car will be gutless at accel. If you advance the timing it will be gutless at higher RPMS. Since we don't knowwhat your issues are I can't give you a direction to go. Not knowing what the mods you did exactly also leaves me with my hands tied.
Personally i would put this back to stock before you toast the catalytic convrter and have to replace it at a cost of several hundred dollars and end up setting a code for it.
Posted on Jun 01, 2010
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Posted on Jan 02, 2017
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