Question about 1992 Lexus Ls 400

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Lexus won't stay running

LS 400 Lexus stall out after starting, ilde for a while then stop
i install air flow sensor, and a fuel filter i put jet cleaner in the gas tank
i still have the problem

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  • Anonymous Aug 14, 2008

    I do have that same problem and have replaced all those part but stll have not rectify the problem. I am starting to think this is acommon problem all these 92' lexus are having.

  • Anonymous Dec 01, 2008


    • Lexus stalls after starting. Also Tachometer drops out intermittently. Could these be related?

  • Anonymous May 08, 2009

    I HAVE A 1991 LEXUS LS400 SOMETIME IT IDLE SOMETIME IT WANT. I CHANGE THE FUEL FILTER AND FUEL REGULATOR VAVLE AND IT STILL ACT UP AT TIME.

  • Anonymous Mar 19, 2014

    Intermittent loss of power in fuel system- it will chug, and lose all gas power until it eventually just stops. It will idle fine but when it is driven it loses power. We have replaced everything we know to on it- fuel pump, filters, tune up, gas tank, sensors- I am in this car for a lot more than it is worth. The mechanic cannot fix this on-going issue- I have had it towed 9 times now in last 3 months.

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2 Answers

Having same issue here. Try to change mass air flow sensor (bad news for you, it costs about $400)

Posted on Aug 27, 2008

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The crazy part about it my car doin the same thing.Part of problem was I had got some bad gas from a cheap gas station( so watch your gas) I replaced fuel filter and pump (by car shop) and put in jet cleaner also. When I took car out shop it was still doin the same thing. I have changed the throttle position sensor and it seemed like it half-way fixed the problem, but now all it do is stall or cut off when touch gas pedal.

Posted on Aug 09, 2008

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