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2003 Saturn L300 Won't shift, surges

Tiny
HUFFGARY
  • MEMBER
  • 2003 SATURN L300
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 69,000 MILES
The transmission on my L300 surges during acceleration and won't shift until high RPM's (>3K) are achieved. What could possibly be the problem?
Thursday, November 4th, 2010 AT 1:51 PM

4 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Shifting at 3k isn't they high of rpm's to shift at. Do you have any trouble code's in the computer?Does the car shift hard into any of the gear's?
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Thursday, November 4th, 2010 AT 2:28 PM
Tiny
HUFFGARY
  • MEMBER
  • 3 POSTS
It surges or pulses and goes way past 3000rpm before it shifts. Mostly when you get on it hard going up hill in 2nd gear.
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Thursday, November 4th, 2010 AT 3:19 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So do you have any code's?Also do you have to ever let up on the gas pedal for it to shift?
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Friday, November 5th, 2010 AT 12:38 PM
Tiny
HUFFGARY
  • MEMBER
  • 3 POSTS
After taking my L300 to GM it was discovered to have both catalytic converters clogged. Expensive!
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Friday, November 19th, 2010 AT 12:49 AM

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