2000 LEXUS GS 300
13,000 MILES
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DHASIPI
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  • 2 POSTS
My speedometer stoppes working once I hit 65mph then when I come to a stop it start s again
Mar 16, 2013 at 3:44 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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SATURNTECH9
  • CAR REPAIR CONTRIBUTOR
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Do you have any codes?also after you go past 65mph the speedometer drops to zero?
Mar 16, 2013 at 3:55 PM
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DHASIPI
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  • 2 POSTS
Yes codes 420,446 once it passes 65 it drop down to zero I've changed the speed sensor on the tranny and still does it
Mar 21, 2013 at 3:42 PM
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SATURNTECH9
  • CAR REPAIR CONTRIBUTOR
  • 30,869 POSTS
The P 0420 is a cat code the P0446 is evap vent control fault neither will cause the speedo to stop working.You need to have a professional scan tool scan your car and not a diyer scan.The professional scan tool can scan all the computers for codes.The diyer scan tools can only scan generic obd2 codes.
Mar 22, 2013 at 12:48 AM