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Posted on Jan 22, 2009
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1993 lexus sc300 missing

I have a 1993 lexus sc300 i have changed plugs and wires and also changed the distrubitor but my car is still missing with grey exhaust smoke coming out the back pipes what is the problem with my car..?

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  • jdubbwalker Jan 25, 2009

    I had an mechanic to tell me it could be the fuel pressure regulator... Can this be the problem..?

  • Anonymous May 11, 2010

    Is it really grey or white?, and is it coming out in a cloud? If it's white and really coming out in a cloud, the head gasket is blown.

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2 Answers

Chris Sgubin

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  • Posted on Mar 27, 2013
Chris Sgubin
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I have same problem on the head there are hex freeze plugs one between 1&2 3&45&6 mine was leaking causing the spark plug wires to get wet then injector wireing was messed up causing the fuel pump to run non stop and blow out injectors and flood the hell out of if

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  • Expert 141 Answers
  • Posted on Jan 23, 2009
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Check the temperature sensor, next to the temperature gauge sensor, did check engine light comes on?

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My apologies for the delayed response. I am going back to answer unanswered questions.
CLICK on the following LINK. It has the Cam Alignment Mark Diagrams you will need.
If you would: Before Clicking let me know if this helped you, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!
Again my sincerest apologies...
Thanks!

http://www.2carpros.com/car_repair_information/year/1993/make/lexus/model/sc_300/1993_lexus_sc_300_drive_belt_routing_diagram.htm
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