Question about 1998 Lexus Gs 300

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My gs has been acting funny since i filled it up with gas from the shell station. i took it to th shop and they say its the ECM. it drives fine but it cuts off when i slow down sometime. the shop said it keeps giving a code to the VVT-I. have anyone had or heard of this b4

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  • 56 Answers

VVT-I is Variable Valve Timing w/ Intelligence

If you are having an issue with timing that could cause your engine to run very rough or not run at all. that is something the dealer would have to fix because it is a very complex system. I don't see how a bad tank of gas could do that but if you got water in your fuel system or maybe you just need some fuel system cleaner. I would start with those two things. Gas water remover and Fuel system cleaner. These are two common items and can be purchased at your local car shop.

Posted on Mar 14, 2011

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Posted on Jan 02, 2017

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Truck will not start after filling with gas.wait a few minutes it cranks and runs fine.any suggestions?


Which brand? What kind of gasoline? Some cars doesn't run with all gasoline grades also there is some gas station with poor quality of gasoline.
Happened to my car too, I always use SHELL but one day I stop in the MOBIIL gas station to put some gas, got home and the next day the car won't start had to by the STP aditive to put in the gas tank. wait about 10 minutes and car starts fine.
Another thing is my car won't run good with all gasoline grades
I always use the regular one.

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I had my 07 Toyota Corolla S ECM Replaced under Warranty about 4 months ago had...


There is a known issue with the 2005-2007 Corolla automatic transmission shift logic. The shift points may seem harsh, and the Check Engine light may be illuminated.

There is a technical service bulletin published (TC015-07) that will address and rectify this condition.

The diagnostic code P2716 will be stored in the computer memory. The procedure involves replacing the Engine Control Module (the computer) with an updated unit.

The repair is covered, under the factory warranty, for 96 months, or 80,000 miles, which ever comes first.

I hope that this helps Corolla owners out.

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I have a 2006 F-150 Lariat SuperCrew and when I am accelerating, at around 45 mph to 55 mph my engine bogs or maybe the transmission is doing something funny. Could it be the O-2 sensors?


I happen to own the same truck as yours
Mine did the same thing too
The first thing I did was go to my reputable gas station (BP.SHELL,etc..)and fill it up with 93 octane gas. I drove it on the highway for 25 miles and the sluggishness went away. I probably had water in my tank which happens to all of us. All fuel stations gets water in their underground tanks at some point. When their tanks at almost empty you will receive some water in your tank. Even if your gas tank is half filled, filling it will make a difference you see for the less amount of water will work its way through with more gas added

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Sluggish and loss of power


if the car ran good befrore you filled up ,there might be water in the fuel you pumped into the car,sometimes water gets into the gas station fuel tanks when it rains,try to drain your gas out and try fuel from another station

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It's your water intake valve. cost you 47.00 dollars at parts store 100.00 at dealer. just had mine changed yesterday. It was a easy job. you do have to take apart upper intake manafold to get job done. Shopuld be a 2 hour job. Good Luck

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