HELPPP! Engine check light flashing!
I found the solution to the problem and did a write up on it. You can view it here. https://www.clublexus.com/forums/gs-...misfiring.html
It looks like the SeaFoam did the trick for yours, however If I were you since you just bought the car, I would take a look at the Throttle Body and the Oil Control valve as mentioned in my write up, and clean them both.
It looks like the SeaFoam did the trick for yours, however If I were you since you just bought the car, I would take a look at the Throttle Body and the Oil Control valve as mentioned in my write up, and clean them both.
Rookie
Joined: Sep 2015
Posts: 94
Likes: 2
From: kingston
its a first gen gs300 though... lol
im having this issue with my car right now.. i had changed ECUs
sensors etc were all changed n check engine light was still throwing O2 sensor codes.....
replaced ecu n NO check engine light but when checking for codes, check engine light blinks constantly......
Last edited by skytechja; Nov 27, 2015 at 12:34 PM.
Driver School Candidate
Joined: Mar 2018
Posts: 3
Likes: 0
From: Dubai
facing same problem... Anyone with a solution for it? For ls400 98 model
Driver School Candidate
Joined: Mar 2018
Posts: 3
Likes: 0
From: Dubai
Intermediate
Joined: Mar 2013
Posts: 298
Likes: 19
From: Md
I had the same problem. Obd scanners read multiple misfires, O2 sensors, cats were shot. I just did a combination of idling & driving with seafoam added until all the bad gas burnt out (didn't have a siphon). Problem still exist. Saw a trick on YouTube about pouring lacquer thinner in your tank. So then added 1 qt of lacquer thinner in the tank & filled to 1/4th tank. Then I drove around on that mixture until I burned all what was in my tank was out. During the process the hesitant stopped & it started to drive back to normal. everything on the scanner now saying its fine, no error codes. Refilled & I'm back to normal like nothing happened. Lacquer thinner has more cleaning agents than gas treatments. & is excellent at absorbing water.
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Antphilli
ES - 1st to 6th Gen (1990-2018)
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