1991 Mitsubishi 3000GT SL Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Mitsubishi 3000GT SL

1991 Mitsubishi 3000GT SL Problems

The transfer case may develop a leak from the output seal. Our technicians tell us that if the transfer case oil level becomes low severe internal damage will result. Any leaks should be promptly addressed and the oil level should be checked at regular intervals

Tire size mismatch on all-wheel drive vehicles can cause the front and rear driving wheels to "fight" (driveline wrap-up) which can result in drive train failure. Our technicians tell us that original equipment size wheels and tires should always be used to avoid the issue.

Vehicles with automatic transmissions may exhibit a delayed 2/3 or 3/4 upshift when transmission fluid temperature is below 95 degrees Fahrenheit. Our technicians tell us this is considered a normal condition.

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1991 Mitsubishi 3000GT SL Questions

Turns over but no start. Seems to be getting a spark and fuel.
Could it be the Crank/cam sensor? or the ecu? if so how should i repair?

I changed the motor in a 3000gt the other motor started and ran just had a knock when it got warm. Replaced the motor and when u start it u have hold the accelerator to the floor to get it to started, then u have to hold it above 1500-2000 rpms to get it to run. It doesnt feel like it is creatin...

My 1991 Mitsubishi 3000gt Ls idles at 2200 rpm when in park,than the rpms drop when I shift into gear. when I took it for smog check the Tech said it would not pass with the rpms being so high that the normal idle should be around 750-800 rpm. what is the possible cause for the rpms being so high?

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