Question about 1994 Buick LeSabre

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1994 lesabre not shifting

I have a 1994 Lesabre that suddenly today stopped shifting from second gear into third. It shifts fine from 1st to second, (so its not stuck in second such as limp mode), no check engine light either, just stopped shifting to 3rd.

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  • 602 Answers

It's a gamble but it only costs about 12.00. Add 1 Qt. bottle of Lucas transmission additive. Run engine at idle in park for 20 to 30 minutes. test drive, Accelerate and decelerate a few times, If it does not shift.you're in for a repair job. LOL

Posted on May 15, 2014

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Not a solution but a suggestion.. If you have a scanner hook it up and check for codes that way... it could be throtle positioning sensor

Posted on May 15, 2014

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 33 Answers

SOURCE: 1995 buick lesabre Speedo inop

I would have the transmission shop check out the transmission.
The transmission may have a soleniod issue.

Posted on Feb 01, 2009

csmock132
  • 4669 Answers

SOURCE: 1993 Buick LeSabre transmission problem

No, the modulator on a 4t60e only will adjust shift feel, not shift points. Does the trans not shift up or go it to neutral instead of 2nd? Does you speedo work? The pcm needs a speed input to shift the trans. You might have a bad VSS

Posted on Mar 03, 2009

honeymokey
  • 3113 Answers

SOURCE: my 1995 buick lesabre check engine light is on

Take it to a real mechanic, not the phoney physics at the zone. The speed sensor will not respond if the car is not moving. May be an air flow sensor. They will go bad if it has ever been wet. They can be checked with a scan tool.

Posted on Aug 03, 2009

honeymokey
  • 3113 Answers

SOURCE: 2000 buick lesabre transmission - high rpm's in 1st to 2nd gear

SHift solenoid pressure switch

Posted on Jun 06, 2010

  • 116 Answers

SOURCE: I have 2005 Buick Lesabre that shudders when

Transmission fluid flush may help

Posted on Jan 12, 2011

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Related Questions:

1 Answer

Had no problems with transmission ,came to a stop put in reverse would not go put back in drive and will only go in low gear


I take it the shifter will work at all selections made. The problem pertains to the automatic shifting inside the hydralic pump only which a transmission is. if its stuck in low gear the solenoid for 2nd & 3rd gear is bad. That will leave you in 1st gear only all the time until the bad solenoid is replaced

Jan 24, 2010 | 1994 Buick LeSabre

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Transmission slipping


you may have a bad sencer in the tran take it to a well nown tran shop and have them run a scan on it. to be truthful i pretty shore your tran is on its way out.

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Will not shift to third gear


U need to have a trouble code test run to see if the 2-3 shift solenoid inside the trans is defective or the circuit to it, this can also be a trans connector problem.

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1993 Buick LeSabre transmission problem


No, the modulator on a 4t60e only will adjust shift feel, not shift points. Does the trans not shift up or go it to neutral instead of 2nd? Does you speedo work? The pcm needs a speed input to shift the trans. You might have a bad VSS

Mar 03, 2009 | 1993 Buick LeSabre

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You are going to need the transmission rebuilt.

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It needs some work to be done in gearbox, worn selector detent ball or weak spring.

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