Will not start in park, will start in neutral, codes P0455, P0442, P0456 and P0139?

Tiny
BOSTONBOATSWAIN
  • MEMBER
  • 2011 MAZDA 3
  • 2.5L
  • 4 CYL
  • AUTOMATIC
  • 95,000 MILES
Can't start in park, but will start in neutral. The 'P' does not show on the dash when parked.

Got several codes:

P0455
P0442
P0456
P0139

Greatly appreciate any help.
Thanks.
Tuesday, November 1st, 2022 AT 1:55 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,164 POSTS
Hi,

All of the codes you provided are specific to EVAP leaks and not to the starting issue.

Since it won't show P for park when you try starting it, either the shift cable is out of adjustment, or the transmission range sensor switch has failed.

I attached the directions for adjusting the shift cable. Try this first and see if it takes care of the issue.

Let me know what you find.

Joe

See pics below. The last pic shows the location of the TR switch.
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Tuesday, November 1st, 2022 AT 8:21 PM

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