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Dodge Stealth Twin Turbo

Does anyone know what my problem could be? When i accelerate my car shakes and if i push on the gas harder there is a popping noise kinda like a muffled backfire. Very bad throttle response.


  • check the catalytic converter for clogging or a breakdown of materials there-in.
  • way off.
    you need to check fuel filter(s).
    main line would be a quick fix,however may be the one in your tank.
    i signed up to this board just to tell u this,so let me know how you make out.i,m a betting man,i,d bet money this is your grief.
  • I have been looking everywhere for a 5 speed transmission for my 1996 dodge stealth R/T i had blown the engine in it so i had put a 1994 mitsubishi 3000GT motor with an automatic trans its the same engine i previously had in my car but i need a trans my old one need rebuilding (let my girlfriend drive it and she grinded the gears to crap lol)
  • My Dodge Stealth is a 1991 3.0 dual overhead cam not a turbo, one of the coil packs will not fire at all, i changed the coil pack, i then changed the ignition module, no help it runs perfect except for that. the check engine light comes on for a couple seconds after i start the engine, please i need help
  • If you have your check engine light on, why don't you just get the code it's throwing, that will tell you the specific issue your car is having.
  • cann526cann526 Posts: 1
    I have a 91 Non turbo RT model with electronic suspension. After a fer second suspension indicator start blinking. I have change the suspenion on front and rear.
    Can you tell me what is the problem . the ride is rough
  • in regaurds to you post about no spark on 1 coil check your ptu and ecu make sure your getting a signal out of the ptu and if you are not check for signal coming out of the ecu mine had the same problem and the ptu was bad it worked but now i gots no spark at all so im basically throwing parts at it hopeing it will start working again
  • sethbladesethblade Posts: 3
    I have a 92 Dodge Stealth 3.0 v-6 Twin Turbo,
    Now my car is backfiren, but the funny thing is that the firen order is off by 2 cylinders, the book says 1-4-2-5-3-6, but the way i have it is 1-2-4-5-3-6 and it seems to run a lot better then the way the book says, the book way gives me Poor Accel, Backfire, and somewhat hard to start, but my way the car will not backfire "as much" but starts Quicker, and a whole lot better Accel. Can someone plz help me, iv been worken on this problem for 2 months now, so i really need your help, tell me what i should do, or what could be the problem, Could it be my valves. some kind of sensiour, why dose it run better with a messed up firing order.
    And so think u, for taking the time to help,
    Seth Blade :confuse:
  • sethbladesethblade Posts: 3
    try ur Transister
  • sethbladesethblade Posts: 3
    i have the same problem, if u want try switchen the 4-2 cy, wire. it worked for me well the Accel part, but not the poping, mine still dose that, im tryen to figure that out still
  • parlakparlak Posts: 1
    Can anyone tell me how 18 in rims with 275/35-18 tires will fit and preform on the vehicle. I am concerned about rubbing in the front. The specifications say it will work providing I have the right offset on the rims. It calls for about a 45 to 50 offset. Would you have any coment to this and what experience have you may you have had with idea. Can you recommend any particular tire or rim, as I am looking for more handling than longevity. It sits in the garage most of the time. I have it completly modified, and running around 500 horsepower. Very stout machine. Can you comment on the Vredestein sessanta's and the drag dr31 rims. Apprecite your imput anyone.
    Thanks Steve
  • My 1992 twin turbo dodge stealth starts up fine after setting over night, and starts up fine just after shuting off engine, but most of the time after setting for an hour or so it seems to sound like it floods itself out. After letting it run for a bit it will clear itself up. I have put new injector, plug wires, plugs, and numerous sensors one the car.Fuel pump has been checked and is fine. And also i have put a new computor on the car.
  • My son is in Iraq and just before he left he asked me to try to get his '91 RT converted to a turbo motor. It is a custom Stealth with a RT motor. The motor blew back in October just before he deployed. With extra cash he gets from being in a war zone he has asked if I would try to get his Stealth not only repaired, but he'd love to have it modified to be extremely quick and fast. Anyone have any suggestions on the best way to accomplish this. He returns mid February and I'd love nothing more than to be there waiting with his Stealth read to roll. He has limited cash naturally, so that may completely make this a moot point?
  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 44,416
    You know, this doesn't sound like the best way to spend his money. This is a rather large heavy car to begin with, and I don't think it's ever going to be that "fast" compared to starting with something more modern and durable.

    Just my two cents.

    Visiting Host


  • I agree i don't think it is a very good way to spend a yourng man's
    money just getting out of the service. But the car is fast and beautiful. How fast can you go now days on our busy highways anyway! And i have spent alot of money in just replacing new parts, some of which it didn't need and were easy
    to get to the engine. But i think at this day and age it would be best for
    someone with a limited amount of money to buy new with a warrenty.
    But if he still does want to convert his old with a blown engine to twin turbo.
    For get it. Lots of money. My car is the way to go.I have already spent the money.
    I have been a little obsessed with my car also, but it is time to let it go too someoneelse.
  • I hear you, but at the same time, the car is a complete custom set up. Shaved with no protrussions on the body at all. Over $2,500 invested in the interior to make it like a sound room. Beefed up brakes and a competition clutch etc. The only thing that had not been done was the motor. The original owner didn't care that much about the speed end of things, he was more into the esthetics. Anyway, my son now wants to "finish the job." Since the RT motor died he wanted to do it now. I've found TT motors (jdm) rebuilt with between 30,000 and 60,000 miles. I think the hard part is knowing how much additional cost I'm (he) is going to find as he makes the switch. Thanks... any additional comments are definitely welcome.
  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 44,416
    Here's a guy who has apparently done it, and you can see from his lists and reports that this is a formidable task:

    You're looking at a lot of money unless you know how to do these mods yourself---even then you have a lot of conversions and special fitting to do.

    Seems to me he could just go buy a nice Stealth TT for $10,000 bucks and probably end up with a better car for less money.


  • You are absolutely right, i have spent a tremendous amount of money on my car.
    But i am the only owner, and it is a great car. But before i sell it or try to sell it i
    want it right for the next person. I still have a little problem and is giving me a fit trying to figure it out. I have asked for help on this forum but no answer, but have looked back at some of the other same problems that i am having and have done everything they have said it could posibble be. Just my luck none of the above. But when i do fine the problem you can be sure that i will tell it on the forum.
  • Just found this thread. Sounds like your ISC (Idle Speed control motor) is bad. It's located on the rear side of the throttle body, on top of the engine, towards the back. Half of it sticks inside the throttle body. Depending on the year, it's either a tan plastic plug, or a black plastic plug, connecting to the harness.
    Not difficult to change, and this thing is responsible for most non-necessary ECU replacements.
    Hope this is your problem and I'm not too late getting to you.
  • Thank you for answering my problem on my dodge 1992 stealth. I have put a new
    ISC. ALso i have put the 2- 0/2 sensers on / fuel regulator/ starting heat senser/
    Mass air flow senser/ all new injectors/ fuel filter/ I have checked for fuel pump preasure. I am taking it back in to a new shop today maybe for the last time. And if we do figure this thing out i will let everyone no.
    If you have anymore idea's, i will surely try them.
    Thanks for you help, it is most appreciated
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