1995 LS400 acceleration problem
#1
Driver School Candidate
Thread Starter
Join Date: Jul 2014
Location: Florida
Posts: 16
Likes: 0
Received 0 Likes
on
0 Posts
1995 LS400 acceleration problem
Hi,
I just purchased a 1995 Lexus LS400. I drove it about 15 miles home and the car drove perfect until I got off the highway. I stopped at the first light and when I tried to accelerate on green the car wouldn't move. I had to shut it off, wait a few seconds and turn it back on for the car to get going. There's no check engine light on. I was hoping someone here knows what could be causing this problem? The previous owner told me changed the fuel pump, spark plugs and he thought the cat converter may be clogged. Thanks in advance.
I just purchased a 1995 Lexus LS400. I drove it about 15 miles home and the car drove perfect until I got off the highway. I stopped at the first light and when I tried to accelerate on green the car wouldn't move. I had to shut it off, wait a few seconds and turn it back on for the car to get going. There's no check engine light on. I was hoping someone here knows what could be causing this problem? The previous owner told me changed the fuel pump, spark plugs and he thought the cat converter may be clogged. Thanks in advance.
#3
Driver School Candidate
Thread Starter
Join Date: Jul 2014
Location: Florida
Posts: 16
Likes: 0
Received 0 Likes
on
0 Posts
thanks for the reply. I have to wait till i get home I don't have the car at work. A friend knows some lexus mechanics and they are saying it sounds like a bad transmission.
Thanks again
Thanks again
#5
"a bad transmission"? Seriously? I'm not gonna sit here and say that it couldn't be. But that incredibly broad diagnosis is like saying you have a bad engine when you really need an oil change. Theres more to a transmission than just a transmission. It's not one part. It's a plethora of mechanical and electrical parts that work in sync.
#6
Super Moderator
iTrader: (6)
Welcome to Club Lexus.
The absence of a check engine light is common with an ECU issue provided the dash light is not dead itself. What other symptoms/problems does the car have?
When you tried to accelerate, the engine was still running fine or did it miss when the gas pedal was depressed? The engine RPM's went up and the car didn't move?
The absence of a check engine light is common with an ECU issue provided the dash light is not dead itself. What other symptoms/problems does the car have?
When you tried to accelerate, the engine was still running fine or did it miss when the gas pedal was depressed? The engine RPM's went up and the car didn't move?
#7
Driver School Candidate
Thread Starter
Join Date: Jul 2014
Location: Florida
Posts: 16
Likes: 0
Received 0 Likes
on
0 Posts
Trending Topics
#8
Driver School Candidate
Thread Starter
Join Date: Jul 2014
Location: Florida
Posts: 16
Likes: 0
Received 0 Likes
on
0 Posts
Welcome to Club Lexus.
The absence of a check engine light is common with an ECU issue provided the dash light is not dead itself. What other symptoms/problems does the car have?
When you tried to accelerate, the engine was still running fine or did it miss when the gas pedal was depressed? The engine RPM's went up and the car didn't move?
The absence of a check engine light is common with an ECU issue provided the dash light is not dead itself. What other symptoms/problems does the car have?
When you tried to accelerate, the engine was still running fine or did it miss when the gas pedal was depressed? The engine RPM's went up and the car didn't move?
Thanks for the help.
#9
Does the car have traction control? Sounds like a trac issue. If the trans was slipping than it wouldnt be as simple as turning the car off and on. I would think that it would be constant. How is the fluid level and condition?
#10
Driver School Candidate
Thread Starter
Join Date: Jul 2014
Location: Florida
Posts: 16
Likes: 0
Received 0 Likes
on
0 Posts
Thanks
#11
Florida in a 95 with known weak capacitors... I'd check the ECU capacitors and replace them first thing. Low cost and needs to be done anyways... they do cause crazy and weird problems depending on how they fail.
#12
Driver School Candidate
Thread Starter
Join Date: Jul 2014
Location: Florida
Posts: 16
Likes: 0
Received 0 Likes
on
0 Posts
Thanks for the help.
#14
To the OP: To my extremely limited knowledge there's a couple different ways to test an ignition coil.. One is to remove a spark plug and reconnect it to its corresponding wire and touch the thread of the spark plug to the engine block, then crank the engine... If you got blue sparks, you're ignition coil is fine.. wear insulated gloves... friend of mine got shocked doing this one day
The other way is with an ohmmeter... Actually I don't even know if this would be a proper test.. I'm just kinda assuming.. Anything electrical can be tested with an ohmmeter methinks.