engine problem..

[1slowS13]

okay, so heres the deal.

this is my second 240sx, my first one, i did the egr/aiv removal and just leaving my FPR and my brake booster as the only ones getting vaccum. the first one was great, its idle was nice, and pulled nicely through-out for a single cam.

i traded the hatch for this stock '89 coupe, automatic.. with idle problems..

the car's idle would dip and the engine would shake a lot, he also told me that the car refrained from starting, and he ended up getting the MAF replaced, and then it started up again.

so like my old one, i ripped off all the lines, the canister, and basically same thing as my old one.. thinking its just clogged lines and etc, as it was already throwing a code 32 for EGR malfuction, my previous car didn't have the check engine light due to its non-california ecu

so, after..
new distributer cap + rotor
new bosch spark plug wires
new bosch platinum +2 plugs
new fuel filter
new mobil 1 oil + filter 10w40 high mileage

it is still having problems.. its most noticable at idle, but when you hold it at 2k you can hear it stumble, and shake a bit.. like its misfiring, and you can definetely feel it in the exhaust.

when i pull the plugs, they are sooty for fairly new plugs :eek:

also the car threw a code 45, leaky injector, but soon went away after a shit-load of fuel injection and intake cleaner..

there is no way i have a vaccum leak, i replaced the PCV hose, and sprayed around with throttle body cleaner to see if the idle would change.


any advice?

[1slowS13]

also, i pulled the plug wires one by one while at idle, all of them made a noticable change, i also then pulled the fuel injector harness' one by one, and surely enough, it also made a noticable change.