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Gear selector saying 1 and car will not start?

Tiny
JAEDAV
  • MEMBER
  • 2007 INFINITI M37
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 191,007 MILES
So, I just changed out my valve body due to a solenoid failure and after putting it all back together I notice when I turn the car on there’s only a number 1 on the gear selector and it says that on all gears. I checked fuses to see if I’ve blown a fuse and all looks good.
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Saturday, December 10th, 2022 AT 9:45 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,512 POSTS
It sounds like the gear range sensor is not plugged in completely or the sensor has gone bad. Here is the location and how to replace it so you can check it out. Do the other gears work like reverse and park? Check out the diagrams below to help show you what I am talking about. Let us know what happens and please upload pictures or videos of the problem.
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Saturday, December 10th, 2022 AT 1:14 PM
Tiny
JAEDAV
  • MEMBER
  • 22 POSTS
It will go in the gears but when I shift to them it just says the one the entire time.
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Saturday, December 10th, 2022 AT 1:17 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,512 POSTS
Thanks for the video and image. I would definitely look at the transmission electrical connector, also when you reinstalled the valve body did you reconnect the Park/neutral switch electrical connector? Please check out he images above to see what I am talking about.
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Sunday, December 11th, 2022 AT 12:40 PM
Tiny
JAEDAV
  • MEMBER
  • 22 POSTS
So, I figured it out thanks for the help. The gear lever on the valve body was further back than the gear shifter so it was stuck in first and the shifter even though it is moving was moving it was never attached to the lever. But now it starts and will go into gear when I hit the peddle the RPMs don’t move. Even in park if I floor it the rpm’s barely creep up and will not go past 2,000.
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Sunday, December 11th, 2022 AT 8:49 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,512 POSTS
Good to hear the primary problem is fixed. Please start a new question for the second issue. Please post your new question here, you must be logged in.

https://www.2carpros.com/questions/new

Cheers, Ken
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Monday, December 12th, 2022 AT 12:37 PM

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