need help with my 4l60e
Thread Starter
Teching In
Joined: Jul 2011
Posts: 5
Likes: 0
From: fort worth, texas
need help with my 4l60e i have an 05 gto. car has been shifting extremely hard. getting in it in the morning, the car with give you wiplash when you put it down into drive then shift hard through every gear. can drive it for about 30 minute, turn it off and start it back up, 90 percent of the time is goes back to normal. just wondering if anybody has an opinion or if this has happened to you. your help is much appreciated
TECH Senior Member
Joined: Apr 2002
Posts: 6,080
Likes: 17
From: So.Cal.
Using a scantool check for any DTC's and also check that the sensors are showing correct values...
for example, a broken wire for the IAT sensor will cause maximum line pressure on some calibrations.
for example, a broken wire for the IAT sensor will cause maximum line pressure on some calibrations.
Thread Starter
Teching In
Joined: Jul 2011
Posts: 5
Likes: 0
From: fort worth, texas
my scanner shows no codes being thrown. noticed today when its warmer out it doesnt do it but has about a 3 second lag when it drops from 2nd to first when the gas is about half way down. any thoughts?
TECH Apprentice
iTrader: (12)
Joined: Sep 2009
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From: San Diego, Florida, New York
Same with my 99 z28 with shift kit. Someone told me it idles high at first so thats why it gives whiplash. They said after it warms up the engine will idle down some. So I now wait about a minute before I pull out. In New York I parked on a down hill so I would just be in neutral until I got to the end of the street. Then put it in drive and it was fine. I've been told not to worry.
Thread Starter
Teching In
Joined: Jul 2011
Posts: 5
Likes: 0
From: fort worth, texas
no mine still does it after it idles down. car could be running for an hour and still do it. drive it about ten minutes, turn it off and its fine in warmer weather. when its cold it does it no matter how long the car has been running and if you turn it off. still does it
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the same thing just started on my car, but starts after about 10 mins of driving. it feels likes it just throwing it self into all gears. if you turn it off, it goes away, but after 10 mins of driving it comes back.
