1998 Lexus GS 300 Repair Question
Topics covered: Catalytic converter, Gas, Gas pedal.
Mileage: No information provided.
Mileage: No information provided.
Asked on March 19, 2010
1998 Lexus GS 300 car problems
1998 Lexus GS 300 Automatic 2000 miles
hello my lexus is shaking real bad when it sits for hours then i go to crank it it shakes or about ten min like a rollercoaster then when time to drive it it s=cuts o and then i i go 50to 60 miles and hour it makes a knocking ound like thump thump real loud and the speed drops and i have to put my feet all the way down to the gas pedal to pick up speed. i have been told and bought so many things and it is still doing the same thing fuel ilter was put on, sparkplugs, throttle position sensor now i was tod the cadallac converter and the timing is off. i really dont know please can u answer this question so people can stop guessing thank u
hello my lexus is shaking real bad when it sits for hours then i go to crank it it shakes or about ten min like a rollercoaster then when time to drive it it s=cuts o and then i i go 50to 60 miles and hour it makes a knocking ound like thump thump real loud and the speed drops and i have to put my feet all the way down to the gas pedal to pick up speed. i have been told and bought so many things and it is still doing the same thing fuel ilter was put on, sparkplugs, throttle position sensor now i was tod the cadallac converter and the timing is off. i really dont know please can u answer this question so people can stop guessing thank u
Answer
Replied on March 21, 2010
have the catalytic convertor checked for blockages
Replied on April 3, 2010
I had the catalytic converter check and it was block but iam still having that shaking on the car when i crank up throughout the day some people say it might be a motor mount i really dont know this time what could it be please help again. thank u
Replied on April 4, 2010
have the motor/transmission mounts checked/replaced