Question about 1993 Lexus SC 400
The car was running fine a couple hours prior. went to crank it and the engine turns but wont start.
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Posted on Jan 02, 2017
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
The dash fuse block is located behind the kick panel to the left of where your feet would be on the drivers side of the car. There is also a block in the engine compartmentt
Posted on Jun 24, 2009
SOURCE: Lexus sc400 electrical problem
the computer is bad and also these cars are known for the insturment clusters to go bad along with the computer. get them both fixed and it will solve your problem.
Posted on Oct 12, 2009
This light is not programmed to a service interval, it is a fault sensor code light.
The check engine light will come on after refueling if you have a loose gas cap. It may also come on if you have an exhaust leak or a fuel mixture issue casued by one of several 02 senosrs malfunctioning .
If the issue is the gas cap often after releasing and tightening the cap your light will go out within a day or two of driving. You could also add some fuel injector cleaner.
Sometimes the lights will need to be reset with a code reading device plugged in under dash. This device will read out engine fault codes and help determine the problem are in the engine.
If you have a failed O2 sensor and continue to drive the ECU will adjust your fuel mixture in an attempt to correct the problem, so it is best to have the readout checked.
Lexus service is second to none and Lexus is not out to take your money, only to ensure a long and satisfying ownership with a top performing car. You are VERY fortunate to have an 03 with such low mileage. My 2001 RX300 has over 150,000 miles and is still going strong, same engine as yours.
Post back with an update
Posted on Dec 29, 2009
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