Really weird today on my way to a shop to swap suspension back to stock and do an oil change my 2009 IS250 AWD started acting weird.

From a stop at a red light, when I begin to accelerate, then when the car up shifts, there is a split second where it sounds like the engine completely died and feels a little jerk backwards on the car. Only for a quick split second then it goes back to normal rpm rising. Then when it shift up again same thing happens. Its really obviously because I have a Fsport exhaust so you can tell from the sound dying off for that split second, plus the jerky feeling.

It went away after a few stops and goes then sorta came back again.

The mechanic will take a look after all the installed is done.

Anyone have similar issues?

 

Pray it was just a random occurrence. If it starts to continue to do it all of the time, DEFINITELY something is wrong.

 

no warning lights on dash?

 

No warning lights. Don't even know what happened...went to get gas, then went to Lexus to buy an oil filter, then on my way I go to the garage. Stopped at a redlight midway, light turned green I began accelerating and bam it happened....

 

Update...it never happened again so mechanic couldn't even diagnose..

In other news, back on full stock suspension, sways, and steering ecu...and boy this car handles like crap

 

cause its stock