1997 Mercury Sable overdrive

1997 MERCURY SABLE
13,143 MILES • 6 CYL • 2WD • AUTOMATIC
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SPSHEPHERD
  • MEMBER
  • 12 POSTS
I just replced my speed sensor which you gave me the information that it was bad and now my car willo n ot shift into overdrive could you please help me again.
Sep 30, 2010 at 7:43 PM
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MERLIN2021
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 17,250 POSTS
Was the code P0500? Is the check engine light on or off? If still on recheck the code, reset the KAM (keep alive memory) by removing the negative battery cable for 20-30 minutes. The car may run a bit differently until it relearns it's parameters. If P0500 comes back, the PCM could be the problem, or the wires from the VSS to the PCM.
Oct 1, 2010 at 10:39 AM