Lexus GS300 Questions

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I change the engine ,complete tun up , had it by 6 different machicals still can't find the issue
i have chang actuators maguels senisors flush system replace complete box assy still same promble
replaced timing belt, cam seals, valve cover gaskets, spark plugs and oil and filter. all timing marks are right on the money check double ck and re ckd. i am a certified auto tech with over 20 years of experience an...
Will start but dies again
coming back from tn to ky car ran fine but as I got closer to home id push brake and car would idle down sputter and die id put it in nutrel and restart it and when id slow down it would do it again every hom...
I'm getting oil in coolant on a 3.0 stright 6 has anyone slse had this problem Thanks
VSC, VSC OFF, ABS light ON what it means,whats wrong, how to check and fix it? I have never felt any difference in the car and it has been driving perfectly.. what could this be and what can I do to check and fix it?
My car goes constantly up and down like this when i accelerate, as if it is changing gears back and forth.. what coulld be wrong?
car will not start alarm light flashing
how to reset alarm
I changed a few parts on my car eg. valves, fuel pump and i also removed my cat converter and now my car starts but wont gas up it does not go anywhere no matter how much i gas up.
Tried changing the battery and still will not stay cranked. Its been siting for a month now. Do anyone have an idea on what the problem could be? Please help me!
90% of the time yhat im in my lexus the car only has accelration right at the bottom,but when it has full accelration oooh what a beauty,how can you HELP,the VSC lights come on religousely moments after i start the ca...
Called shop they wanted near $500 to replace the sensor. Went to local repair shop, he disconnected battery got me a new gas cap and advised to make sure you place cap on secure (like turning well past it starts clic...
Car feels like its going to shut down when first accelerating. Feels like its not getting enough gas. This all started right after changing the air filter.
how many spark plugs and wires do I need to do tuneup and timing belt labor cost $300 is this good deal I will buy the parts thanks for help
Emissions test. I took it to Auto Zone for a printed diagnostics test. The code P0430 came up. Is that the o2 sensor?
this problem I have last 2 week
Problem is constant increasing when a/c is on
Just changed the harmonic balancer, radiator and thermostat, but car starts running hot. Please help.
I replace the fuel filter,the rail regulator &fuel pump. I also replace the coil,air filter and distributor cap.Its still doing the same thing.It starts up it will run for 3 to 5 mins and dropped dead then it will not...
I was told my transmission did not work,however I replace the strainer and fluid,an it moves,but very
I was told my transmission did not work,however I replace the strainer and fluid,an it moves,but very
Lock button works when i use a screwdriver and bypass it. what causes it to lock up? never happened before.
On going issue. dealer said Y-pipe was cracked, expensive repair. He also said the engine misfired(cylinders#2 and #4), which has not happened again, so can not replace the engine until it duplicates. My mechanic (not...
Ive also replaced brake switch,the door settings for the seats dont eork