The Lexus was so quiet at idle for years that I sometimes didn't know it was running and tried to start it again. My 2006 has 160k miles and while not terrible I can feel it idling. Is this due to motor mounts aging? What causes this, what can be done to remedy, and how much would it cost?
160k engine vibration felt at idle. What can be done to get it like new? (1 Viewer)
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First easy / cheap step to take would be to:
> Disconnect battery
> Disconnect MAF sensor ( located after air filter )
> Gently spray the sensor clean
> Re-install and let run for 10-15
If you wanted to "while you're in there " you could remove the tube from the throttle body and look into procedure on cleaning the plate.
That would be my first line of defense. You should also check your air filter, when is the last time it was changed? Shine a light through the backside / hold it up to sun and see if you can see light through it.
Otherwise when it comes to idle the next parts to think about are plugs / wires / coils / general tune up / mounts / etc.
I wouldn't loose sleep over it, just make sure you keep up with maintenance schedule, keep engine cool, and keep air flow clean. Do you drive like a granny? Put the pedal to the floor now and then and let her rip.
94SRUNNER
GOLD Star
I concur with these recommendations.
I strongly encourage you to pull and inspect your plugs and coils. They can cause issues without throwing codes.
- Thread starter
- #4
Filter clean. For MAF cleaner is electrical contact cleaner spray ok?
94SRUNNER
GOLD Star
There is MAF specific cleaner. You'll want to look for that. CRC makes a MAF sensor cleaner available at most auto parts stores.
- Thread starter
- #6
Cleaned MAS. Idle went down 200 rpm but I can still feel the engine is running. Throttle body cleaning is next...
Engines need tune-ups with miles and time. With age, rubber vacuum hoses get old, shrinks, crack and leak.
In addition to tune-up. A few check need to be done, ASAP.
Stick your ear into fender wheel well, during cold engine start-up. Any tick heard! If yes and tick still present after warm up, do not run engine until spark plugs checked.
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2006 up.
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In addition to tune-up. A few check need to be done, ASAP.
Stick your ear into fender wheel well, during cold engine start-up. Any tick heard! If yes and tick still present after warm up, do not run engine until spark plugs checked.
Ticking time bomb TICK TICK TICK: Spark plugs Alert Alert Alert!
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Air filter Alert, Alert, Alert
Yet another alert o_O I'm just see, all to often, where engine Air Filter is installed improperly and rubber seal of filter has curled. How could that be. We just pop in a fasten down with 4 clips right. Well right. But if care is not taken during install, to seat lid on seal. The seal gets...
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Radiator fins need cleaning! Alert Alert Alert
I've a 06LC w/192K I just bought. In reading history I found PO complained of engine temp raising when both front and rear AC on. Toyota Dealership diagnosed with clogged radiator fins. Recommended new OEM radiator, $600 for the US spec Radaitor plus coolant and labor. They should have added...
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2006 up.
S.A.I. Modification in VVT engines to prevent its failure! Alert Alert
We've a $2.00 part in the S.A.I.S. of the VVT engine, 1s taking-out ~$7,000.00 $15,000 (inflation) in parts. WOW! I've a very easy and cheap WORK AROUND. You are going to love this ;) This thread is dedicated to the 4.7L 2UZ-fe VVT engine, in the 2006 & 2007 100 series Land Cruiser & Lexus...
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"Do you drive like a granny? Put the pedal to the floor now and then and let her rip."
I think that is the reason my 2002 LX470 with 69K miles has a slight vibration at idle.
I tend to use 87 octane in my LX, but my son uses Premium in his 2004 LC with 250K miles and gets on it, and his engine is silky smooth, much smoother than mine.
On the Mercedes forum they call this do an "Italian Tuneup" occasionally.
I think that is the reason my 2002 LX470 with 69K miles has a slight vibration at idle.
I tend to use 87 octane in my LX, but my son uses Premium in his 2004 LC with 250K miles and gets on it, and his engine is silky smooth, much smoother than mine.
On the Mercedes forum they call this do an "Italian Tuneup" occasionally.
