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Transmission does not shift past third gear

Tiny
LENNYB
  • MEMBER
  • 2007 MAZDA 626
  • 2.3L
  • 4 CYL
  • AUTOMATIC
  • 165,000 MILES
The transmission will not go further then third gear. I took solenoids out after checking with the launch. The first solenoid according to the launch is faulty. I changed the solenoid around with a good one but does the same. I am of the opinion that there could be a electrical problem and wonder if anyone can assist me anyone and explain where the wiring that connects to the solenoids comes from? I do not seem to be able to locate them for or maybe a relay or something please. Thanks
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Wednesday, January 31st, 2018 AT 10:59 PM

10 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

Do you have a check engine light? If you do, can you tell me the code? If it is a solenoid then a fault code will be stored.

Roy
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Wednesday, January 31st, 2018 AT 11:31 PM
Tiny
LENNYB
  • MEMBER
  • 11 POSTS
Morning.

Hi, the dash light is AT.
Thank you.
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Wednesday, January 31st, 2018 AT 11:44 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, do you have any way or reading the fault code? If I have the code, I can help narrow down the area of failure.

Roy
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Thursday, February 1st, 2018 AT 12:09 AM
Tiny
LENNYB
  • MEMBER
  • 11 POSTS
First test with launch x431 = solenoid 1 0 percent.

Then second test gear four incorrect ratio Dtc.
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Thursday, February 1st, 2018 AT 12:25 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, incorrect gear ratio indicates slippage internally in the transmission. That is a mechanical issue inside the transmission.

Roy
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Thursday, February 1st, 2018 AT 2:27 AM
Tiny
LENNYB
  • MEMBER
  • 11 POSTS
Okay.
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Thursday, February 1st, 2018 AT 2:30 AM
Tiny
LENNYB
  • MEMBER
  • 11 POSTS
Thanks, I am busy with the TMC box, but will keep you updated.
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Thursday, February 1st, 2018 AT 2:31 AM
Tiny
ASEMASTER6371
  • MECHANIC
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Great, we will be here.

Roy
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Thursday, February 1st, 2018 AT 3:04 AM
Tiny
LENNYB
  • MEMBER
  • 11 POSTS
Thanks.
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Thursday, February 1st, 2018 AT 3:08 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Anytime.
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Thursday, February 1st, 2018 AT 3:09 AM

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