Question about 2000 Lexus LX470

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00 LX470 stutters

My 00 LX470 stutters intermittently at low throttle. RPM's go down about 200 RPM's, but takes off when given throttle. Only happens at low throttle between 1000 and 2000 RPM. doesn't happen when cruise engaged. sometimes check engine light and VSC lights go on. when this happens car does not die but has no throttle response and will not move. Can put throttle to floor and after a lag RPM will go max 3000. Will not move again until I disconnect and re-connect battery and clear codes. do not think is throttle body, nor ECM. Perhaps altitude sensor? Getting worse.

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5 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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bunnydawg
  • 5158 Answers

SOURCE: Check engine light is on

no such thing as a catalytic computer... there is a catalytic converter ... part of the exhaust system so they may now be "guessing" that it's an O2 sensor. take the car to autozone... they will scan the codes for free.... post the codes here tho the lads and lasses there are pretty clever and will probably tell you what the codes mean.

Posted on Apr 16, 2009

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  • 272 Answers

SOURCE: LS430 check VSC light on after check engine light on

My car (06 GS430) began giving me more frequent "Check VSC" warnings. (Code P0455 in my case. Really glad I bought that OBDII tool--resetting the codes is a snap!)

I knew that a loose gas cap could cause this, so normally I just give it a twist and it tightens. Now I found that no matter how many "clicks" I tightened the gas cap, it would not cinch down snug. The lightest turn the opposite way would open it.

I was all set to head over to CarQuest for a replacement filler cap. But I thought I'd inspect mine first just to see why it stopped holding. Upon inspection, I saw that what holds the cap in place is compression of the rubber O-ring at the back of the cap, which compresses against the filler neck. That apparently was no longer happening.

I carefully removed the O-ring from the cap--using screwdrivers to lift it over the edge of the groove it sits in. Like removing a bike tire from the rim--work your way around. Then I cut a strip of electrical tape about 10" long, and 1/4" wide. I wound this into the curved groove where the O-ring normally sits, just to build up a little thickness. Put the O-ring back in place. Done.

Now the cap tightens like it's supposed to, and thus far, it has stopped the VSC error codes. Don't know if it will fix your issue or not, Good luck.

Posted on May 09, 2009

  • 973 Answers

SOURCE: check engine light on, replaced oxygen sensor before catalyst,

  • Water or corrosion in the connector
  • Loose terminals in the connector
  • Wiring burnt on exhaust components
  • Open or short in the wiring due to rubbing on engine components
  • Holes in exhaust allowing unmetered oxygen into exhaust system
  • Unmetered vacuum leak at the engine
  • Bad o2 sensor
  • Bad PCM

Posted on Jun 18, 2010

c1apton15
  • 3400 Answers

SOURCE: I have a lexus Lx470.

There is NO button to turn off. You need to have the codes scanned and reset, Something triggered a fault and lights came on. Lexus can do it and any good shop can read the codes and reset your lights.

Posted on Jan 18, 2011

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