domi's general whine-and-whimper thread

[domi]

Scratch that - came up with a seemingly working DIY solution to that. Now the general problem that's been bugging me persists and since this thread is bound to die, might as well utilise it. My hachi's been sick ever since i've got it. Haven't ever had it working properly, but it's been a great learning experience and so far is well worth the trouble everybody around be has been giving me for constantly leeching on their cars to go to work =)

The bad reality is that the car seems to be leaning out, or so i thought. I knew the FPR was going, so i got the new one. Now that i have it in I can monitor the pressure and although the fuel pump is not at all healthy - it seems to be holding its own as far as pressure is concerned. The 2 kilos of pressure the manual for the Blacktop demands is well available. That helped with the idling problem i had, but not at all with the bogging and, i suppose, detonation. I suppose, because i just tested for bogging and it was there, haven't test driven, but i might a bit later tonight. The 'bogging' i keep refering to happens when the car is idling and i give it over 10-15% throttle. If i give it just a bit - it revs very well, but give too much and the noise turns into a deep rumble and the revs increase very slowly and the engine is obviously troubled. Timing was my first hunch - it was way off, but i fixed that 2 weeks ago, did the fuel pressure now and i'm running out of options... It used to detonate if i give it too much gas or i rev over 2.5-3.5k rpm in gear. I'm guessing that's still there, will check and update on that. One of the gurus on the BG AE86 forum suggested that the wiring for the throttle position sensor could be shorting and thus confusing the ECU. Did resistance checks on the TPS by the manual and it seems to be very much on track. The wiring really might be wrong. I did another check while i was at that - i disconnected the TPS to see if a CHECK ENGINE LIGHT will come on and it didn't... Seems the light is not connected. Now, i want to fix both these things, but i lack one important feature - i can not read wiring diagrams. They just don't really make sense to me.... I've been trying to look at some for the AE111 20v, but i can't seem to find what i'm looking for. My question is this: could someone that's dealt with or think they can deal with such a problem give me a hint as to where the other ends to the 4 cables going to the TPS are connected, so i can try to rewire that and hopefully solve the issue. That's one out of two - the other is if the same could be done for the CheckEngineLight - is there a way to externally fit any lightbulb to the respective connectors on the ECU or whereever and judge by that one if the proper one is supposed to light or not. I've taken the cluster apart just recently and really don't want to deal with that again - if the wires for the CEL can be located anywhere else, i;d just like to plug in another lightbulb parallel to the normal wiring and use that as a deterrent. And, oh yeah, if somebody could indicate what kind of lightbulb it has to be - that'd be great.

With all that being said - i really hope i can fix this, i wouldn't want to drive it to a shop now that i'm on the final stretch of getting it working... Hopefully that'd be an easy one, so i can finally post a proper projects thread