Question about 1997 Lexus LS 400

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1993 LEXUS ES300 FLOODING AND FUEL VAPOR OUT EXHAUST SYSTEM 1997 lexus ls400 is hard to crank.i have to turn it over 3-5 timesbefore it starts. it is getting fire and checked the plugs and are wet with gas. put in new plugs and cranks on 2-4 tries, but is still too much gas when running wont hold idle. any ideas.

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Check air intake tempture sensor and engine control tempture sensor both will cause this problem don't rule out MAF but before u do any thing check for codes most lexuse will give u a code which is very helpful

Posted on Feb 15, 2013

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Ok, i tell you 3 possible causes.
check maf sensor connection , check fuel pressure regulator (max press fuel in rail 40 psi) , check engine compression (min 95 psi ) if less this cause spark plugs wet and not start

Posted on Apr 21, 2009

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