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2003 Cadillac Deville Jerking on highway speeds

Tiny
JAREDR123
  • MEMBER
  • 2003 CADILLAC DEVILLE
  • 4.6L
  • V8
  • FWD
  • AUTOMATIC
  • 118,000 MILES
I have an 03 cadillac Deville base sedan. My car drives amazing in town and speeds below 55 mph. But when I get on a highway and I'm going around 65 mph or higher my car will jerks foward or backwards(I can't tell) It only does this every once in a while like every 10 minutes. But I feel like it does it more the farther I travel. I have two codes, the po101 and po410. I just replaced my mass air flow sensor but haven't driven on highway yet. I don't know if my po101 code has went off yet. I also think my acceleration isn't all that great.
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Wednesday, January 14th, 2015 AT 6:24 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Have a trans guy scan for codes but your torque converter clutch may be applying in and out causing he effect you feel.
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Thursday, January 15th, 2015 AT 6:45 AM
Tiny
JAREDR123
  • MEMBER
  • 29 POSTS
I don't have the po741 code though. And do you think it would be sae to drice 180 miles away and back
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Thursday, January 15th, 2015 AT 10:04 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It may not be the converter but it may be a solenoid hanging up as well or a valve. Ya you should get back ok.
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Thursday, January 15th, 2015 AT 11:58 AM

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