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2003 Lexus is300 potential transmission problem?

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Old 06-22-14, 08:22 AM   #1
jasonsluck
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Default 2003 Lexus is300 potential transmission problem?

Hey everyone, my first post on the site

I have a 2003 Lexus is300. Almost 200k miles. Overall I haven't had any major problems with the car at this point. Here is the problem I am experiencing:

The car is automatic and drives fine until I get to 60MPH. I get to this speed usually on the highway. Once I reach 60, the car doesn't accelerate any more. If I am not mistaken the car still revs like it wants to accelerate but it just wont budge.

I checked the transmission fluid, it's at the right level but it's really dark?

Any and all feedback is appreciated.
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Old 06-23-14, 01:07 PM   #2
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Here not looking to say anything, contact your mechanic
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Old 06-25-14, 12:09 AM   #3
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Do the RPM's keep increasing and yet the speed doesn't increase? Are you driving on a flat highway?
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Old 06-30-14, 02:15 PM   #4
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Default 2003 Lexus is300 potential transmission problem?

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Originally Posted by teriyakwag View Post
Do the RPM's keep increasing and yet the speed doesn't increase? Are you driving on a flat highway?
Teriyakwag, thank you for your question. Once I get to 60, I don't believe the RPM's increase. What do you think?
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Old 07-02-14, 02:17 AM   #5
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can you shift through the gears manually. Keep it out of D and see if you can get it to rev up in 2 -3 and pass 60mph. perhaps turn OD off. That would tell you if its a sync issue with a gear inside the transmission.
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Old 07-02-14, 02:17 AM
 
 
 
 
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