Skip the auto shop - Our mechanics make house calls

Q: Automatic transmission problem

asked by on

I have a Mitsubishi Space Wagon GDI 2000; This car's engine was replaced with a 2000 Mitsubishi gallant engine and now the automatic transmission keeps reviving up once it is in gear three before engaging and revs up at exactly 50 km/hour then same thing when slowing down too.

My car has an automatic transmission.

A: Hi, thanks for writing in. This is likely r...

Hi, thanks for writing in. This is likely related to the transmission control module which directs the transmission to shift up and down at specific points relative to engine RPMs. If you would like, consider having an expert automotive technician from YourMechanic come to your home or office to inspect and diagnose this issue for you, and make or suggest any repairs as needed.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: 1 of My bumper rebar screw broke off

Hi there. If you only use (3) bolts, it's more than likely that your reinforcement bar will not be safe or sturdy. You could in theory use three bolts, making sure the two top bolts are secured first, but I...

Q: As I was getting on the interstate, my RPM's jumped to 5 and my car started jerking but never died. I built speed back up to about

You should check the transmission fluid level and smell the fluid to see if it smells burnt. The problem sounds like you have a transmission that is slipping and should have a mechanic like one from YourMechanic check the vehicle...

Q: Hesitates when accelerating

Hello. This can be caused by the catalytic converter, but that is not too common with this symptom. If there is a hopping feeling, which is similar to a misfire, then most of the time this is caused by a...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...