Mitsubishi Repair: 1995 Mitsubishi Eclipse GST Problems, mitsubishi eclipse gst, gst problems


Question
The Car dealership is not a big bussiness. It is only a Buy here Pay here lot. I do not think it came with a warranty. But everything did work before I had the automatic transmission replaced. If there is any thing else I greatly appriciate it. Thank you for what you all ready have done.
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Followup To
Question -
I have recently took my car to my dealership to have my transmision rebuilt. After I had my car returned the speedometer went out. The dealership's machanic tried to fix it, but only caused the new transmision to mess up. After having it rebuilt for the second time, we ran a dynonostics and recieved a list that was only available for a while. My car's computer kicked him out and would not allow him back in. So I took it to Auto Zone and had them run the dyno. They gave me these codes and meanings but I have no idea what they mean. They are as followed:

P1400 Auxiliary Emission Control
P0125 Coop Fuel Ctrl Insufficient
P0500 Speed Sensor
P0141 O2 Sensor (Sensor 2)
P0170 Fuel Trim Malfuntion

If there is any thing you can do to help, I would be very grateful. Thank You for your time.
Answer -
Cody,
Firstly, all parts and labor from Mitsubishi MUST be warrantied and honored for 12 months or 12,000 miles.  If your dealership mechanic screwed something up, they must fix it for free.  Demand to speak with the dealership manager if the service center refuses to honor the warranty.  It seems pretty shady of the mechanic to say that the computer 'kicked him out and would not allow him back in'.  If AutoZone can read the trouble codes with a universal code reader, the Mitsu mechanic should have no problem with the Mitsubishi code reader.  

The codes you listed sound like the computer is sensing a problem with the emissions system, which could be caused by lack of fuel flow.  AutoZone was able to pull up universal descriptions for those codes, but the definitions I've listed are more descriptive and some are Mitsubishi specific:
P1400 - Manifold Differential Pressure Sensor Circuit Malfunction
P0125 - Insufficient Coolant Temperature for Closed Loop Fuel Control
P0500 - Vehicle Speed Sensor Malfunction
P0141 - O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0170 - System too Lean (Bank 1)

In human language, your computer is saying it is getting the incorrect air to fuel mixture.  It is very strange and suspicious to be getting these errors if the car was brought in for a tranny rebuild.  The only one that makes sense is the Speed Sensor malfuction code.  The speed sensor connects to your transmission.  Since the tranny was rebuilt, they may have replaced the speedometer cable with an incorrect one, or installed the old one incorrectly.  The other error codes get thrown from various sensors indicating an emission problem, which has nothing to do with your transmission.

Although, to remove your tranny, your mechanic most likely removed the majority of your exhaust system to give him room.  Your car has 2 oxygen (O2) sensors.  One located on your exhaust manifold, and a second sensor on your catalytic converter.  He may have disabled your second sensor (Sensor 2) and not reconnected it.  Or, be may have damaged it or its wiring.  

Take your car back and insist they fix it.  If they messed up something on your car while it was there, it's their responsibility to fix at their expense; not yours.  Bring in the codes that AutoZone found.  Hopefully the service manager will be embarrassed enough when you tell him AutoZone could find the trouble codes but his own mechanics could not.  If they still refuse the warranty and to fix it, this is a job for your lawyer to get involved.  Mentioning a law suit to the dealership manager will most likely get them into gear.
Good luck!

Answer
Cody,
If everything worked fine before you brought it in, you defintitely have a great case.  If this quasi-dealership is reputable, they should still honor their work.  If you had brought this to a local garage mechanic, they usually honor their parts and labor.  If the place that serviced your car used genuine Mitsubishi parts (and even most aftermarket parts), they are still under a warranty.  The only way these parts are not under warranty is if you have a written contract indicating that any parts installed are NOT covered by any warranty, which is very rare.  

Car dealerships and sales lots are all looking to make money.  Unfortunately, a few are not customer friendly and only care about the money.  You need to arm yourself with information and present yourself to them as an unsatisfied customer.  Ask to speak with the highest manager you can.  Request a private meeting time with him if you must, and bring a lawyer with you.  You need to show them you are upset and unsatisfied.  Don't scream and yell, but be stern and steadfast.  It goes a long way and will keep this place from "robbing" you of further time and money.  
Good luck!