car stall/erratic idle Options

[SleekCelica]

So when I first bought this car, it had a really bad erratic idle, that would drop down to 0 and bounce right back up in a matter of a second, and keep doing this. It would flicker, and then stall. It's not fuel related. It'll actually stall when I'm driving and then not start back up. I replaced the ignition coil and all was fine. Now, three months later, it's doing this again >:( What do you guys think? It's throwing a 12, 13, and 41 codes. Could these all be related to the 41 (TPS?)

[rave2n]

When mine was like this, it ended up being the distributor...but I spent months fixing other things before I found the real issue. It would get better as I go, but not completely fixed. Possibly you have the same issue.

Check your TPS gapping, and make sure it is placed correctly on your throttle body. I had that issue and had to replace my position on it, even though your engine is not the same, i'm can assume they function in the same matter...

I changed fuel filter, plugs, wires, and distributor. I checked fuel pressure on the top of the filter first to confirm it wasn't fuel, it appears you have spark, but your timing may be off. I would confirm the basics first...fuel, air, spark. It could also be as simple as a sensor being bugged out from past research, or a simple skipped tooth or broke tooth on a cam gear. Or, you just didn't put your distributor in the correct position...which I can't explain how to do, but I'm sure effects timing and such, which requires a timing stobe to correct...? Sorry, just throwing you some ideas! Hope they help.

This post has been edited by rave2n: Jul 22, 2010 - 8:58 PM