Shaking When Accelerating Uphill
Thread Starter
Driver
Joined: Jan 2011
Posts: 53
Likes: 3
From: CA
Shaking When Accelerating Uphill
Please help. My 2002 ES300 with 130K miles shakes and vibrates when accelerating going uphill. It usually happens on the freeway when I press on the gas to get more power for the uphill climb. I notice it when going uphill at 40, 50, 60mph. It almost feels like the engine is starving for power. I first thought it was the suspension but it does not shake on a level ground or at low speed. I also have new balanced tires installed. Then I thought the engine was not getting enough gas, so I replaced the gas filter. But it is still happening. I brought it to a mechanic. He can't figure it out either.
Has anyone experienced this?
Thanks for any help.
Has anyone experienced this?
Thanks for any help.
Lead Lap
Joined: Aug 2011
Posts: 717
Likes: 15
From: Virginia
Could be in the trans or the engine. If possible, you need to either hook a scantool with streaming data to it and have someone ride with you and read what the ECM is seeing/reading when it happens. Try to do the same with a fuel pressure gauge. It's possible the transmission is either not kicking down as it should or possibly the torque converter is the issue. Eliminate all the easy things first.
Driver School Candidate
Joined: Sep 2011
Posts: 27
Likes: 0
From: TX
Please help. My 2002 ES300 with 130K miles shakes and vibrates when accelerating going uphill. It usually happens on the freeway when I press on the gas to get more power for the uphill climb. I notice it when going uphill at 40, 50, 60mph. It almost feels like the engine is starving for power. I first thought it was the suspension but it does not shake on a level ground or at low speed. I also have new balanced tires installed. Then I thought the engine was not getting enough gas, so I replaced the gas filter. But it is still happening. I brought it to a mechanic. He can't figure it out either.
Has anyone experienced this?
Thanks for any help.
Has anyone experienced this?
Thanks for any help.
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Thread Starter
Driver
Joined: Jan 2011
Posts: 53
Likes: 3
From: CA
the rpm stays normal. it does not jump up or down.
if it was the engine mount, will the symptoms show at level ground? this only happens on uphill acceleration. after the car reaches the proper speed then the shaking goes away.
if it was the engine mount, will the symptoms show at level ground? this only happens on uphill acceleration. after the car reaches the proper speed then the shaking goes away.
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CL Community Team
Joined: Apr 2004
Posts: 17,321
Likes: 204
From: Miami, Florida
Glad to hear you could take care of this, I used to see some disasters down in Mexico (including at our 1/4 mile track) with bad axles.
CL Community Team
Joined: Apr 2004
Posts: 17,321
Likes: 204
From: Miami, Florida
This was a nasty one we had at my track back in Mexico,
http://www.youtube.com/watch?v=11jSnYe7Rsk
Luckily no one hurt.
http://www.youtube.com/watch?v=11jSnYe7Rsk
Luckily no one hurt.
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