another bucking condition under boost problem...

[bm_zimmer]

its an 88 lancer shelby t1 auto that i dropped a t2 motor into.i kept the car autoso im going to hear some sh*t but ohwell.lol. im still using the mitsu turbo and top end.(kicks himself in the ass for not putting t2 intake mani on while motor was out) with the t1 comp im getting codes 41 44. with the t2 comp im getting code 23. both comps drive and act the same. there really is no difference. both have hesitation under boost. i yet have to check the vacuum lines. but i did cap off the 2 vacuum fittings on the mitsu turbo that are located on the snail. wastegate is ran off distribution block through g-valve and map is off distribution block solo. any inf would help. thanks.

[detobias]

sorry if this is obvious, but start your troubleshooting with a full tune-up (plugs, wires, rotor, cap) and fresh fuel filter

a marginal spark will be fine during normal driving but will fail when the throttles opened

similarly, a marginal fuel system will not show any trouble till you NEED the fuel ; maybe borrow a fuel P gauge to make sure yur pump is kickin it during boost

[bm_zimmer]

thanks. i didnt change the plugs or wires after i installed the motor. i figured they were ok when i pullled everything from the daytona. but i will change these things out and see what i come up with. the lancer did sit for about 1-2 yrs before i came across it and bought it. a fuel filter will definately be installed. thanks man.

[bm_zimmer]

34 41 45 47 51 these are the codes that are now showing up after disconecting the comp. changing rotor cap wires plugs and checking for vacuum leaks. i have not checked fuel pressure due to no gauge for it. i will check for one in the morning. and i have to waqit for fuel filter till monday. please help if any one can. thanks brian

[detobias]

google "chrysler fault codes"

this is a great TD electronics site:
MiniMopar Resources

specifically:
Fault Codes - Mini-Mopar Resources

[NAJ]

Code 34, speed control servo
Code 41, charging system, excess or no field current
Code 45, overboost shutoff
Code 47, battery voltage low
Code 51, O2 feedback system lean

I am guessing you are getting code 23 with the T2 controller because you do not have an air charge temp sensor with a T1 manifold.

[crusty shadow]

^ pretty good reason to swap that TII manifold on there
to get the charge temp sensor in there you gotta drill the intake on the tI mani, so you gotta pull it off to do that anyway. did you swap injectors too or are you running the TI still? early TI injectors depending on year are smaller than TI. might be maxing out pulse width on the injectors causing the lean condidtion.
what psi do you have the G valve set at? it will do overboost cut out at 14.5 psi on a stock TII comp without a reprogramed calor some kind of boost cut override like a zener or g valve on the map. neither are reccomended but the g valve on the map is the safer of the 2. did you use the map sensor from the TII car?
id go through and put ALL the TII stuff on the engine. that will probably solve a lot of your problems. the charge/ battery codes are probably an indication that your alt is toast or on its way to dieing. swap the TII wire harness too if you have it.

[bm_zimmer]

i switched back to the t1 injectors. this car is an 88 lancer shelby. motor is out of 88 daytona shelby. wiring harneses are the same so im assuming map and o2 sensors are the same? im gonna check fuel pressure today. it shouldnt overboost with the g-valve turned all the way out. maybe im back feeding in the vacuum lines, got something croosed. will re-do and touch base again. and im gonna switch back to t2 injectors today. maybe t1 cal is screwed because i dont have any of the listed codes on the t2 but code 23. t1 has all the codes. thanks brian

[T2 shadow]

Hmm
I had issues like this on the van.
I found a TON of problems. I had a dried and cracked Vac line to the map and my timing was off. I put air pressure in the cylinder with a homemade boost leak tester and found a intake leak .
How old is your fuel filter?
Good luck and keep us posted.

[bm_zimmer]

rechecked all vacuum lines. changed out the pcv valve. im getting 7 pounds of boost but it bogs. thats with the g valve. without the g valve with the waste gate connected t1 computer only recieved 3 pounds of boost. replacing fuel filter now will keep u posted thanks brian.

[bm_zimmer]

replaced fuel filter no change. did compression test 1/2/3 cylinders 130. cylinder 4/ 128. sparkplugs black carbon deposits found. seems like a rich mixture. any suggestions?? please post. thanks brian

[NAJ]

Black Rich is going to be related to your Injectors, Fuel Pressure(53-57 Static Pressure,Subtract 1 PSI for every 2" HG at FPR with engine running), Map, Coolant Temp Sensor, Air Charge Temp Sensor.
Be sure you have good Engine Vacuum(16-20" HG) and that the Vacuum is the same to the Baro Solenoid and from the Baro to the Map.
Compare your Map voltage to Vacuum/Pressure.(See Sticky, Voltage Tables)

[Berubeny]

my laptop died due to being outside all day so im on a friends comp.i hooked up my boost gauge and my hg is 17. i used a vac block to clean up the vac lines. i changed out the ignition coil and it still sounds like it is misfiring. i have to recheck timing with a timing light when i can get one available. thanks bian.

[detobias]

throw fresh plugs in there

[bm_zimmer]

plugs were brand new. i even cleaned them up after i pulled them. but now for the bad news. after checking pin-41 on 60 pin for 12v i found voltage so now i know that alt was bad but the car over heated on my way up to my buddys garage. hopefully it didnt blow the head gasket but if it did i will consider it a blessing in disguise because now i can put on the the t2 intake. i turned the car off before i went to far and he came and poicked me up.
well now that i have some spare time to ponder, why would the t2 comp only come up with 1 code and the t1 comp pass along 5 of them? im begining to think the t1 comp is bad. my buddy says the same thing. well ill keep everyone posted over the next couple of days as things progress. thanks for the help brian