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if you are trying to change it while it is running it always needs an earth for the ecu otherwise there should not be any reason connected with the battery to cause idle problem
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∙ 14y ago
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My Toyota won't idle after changing the battery?
battery is low charge. Take it for a long drive, to take the load off the engine from the alternator charging it.
How do you adjust the idle on 1998 Toyota Avalon?
You dont adjust the Idle disconnect the battery for 10 mins and reconnect and the computer should relearn it idle .
Why does the idle on my 2009 Toyota Camry reduce when the fan is on?
The current needed to operate the cooling fan(s) puts a load on the alternator which causes the idle rpm to drop a little. Have the battery and charging system tested to be sure there isn't a problem.
Why is idle high on 1995 caprice at startup?
buy a toyota !! Problem solved
How do you raise the idle speed on a 2001 Toyota sequoia?
You don't. If the idle is not within factory spec there is a problem that needs to be diagnosed, such as the idle speed control unit for example.
2002 Camry 4 cylinder-why ruff idle-500 RPM- after new battery installed?
the ecu is reset when you disconnect the battery. after driving for awhile or letting the car idle in drive, your problem should be solved. the ecu is reset when you disconnect the battery. after driving for awhile or letting the car idle in drive, your problem should be solved.
Engine problems 1990 Toyota Celica look at the discussion?
My 1990 Toyota Celica Idle is too high... What seems to be the problem?
1992 MGMdisconnected -battery post then reconnected will not idle now?
Other than resetting the ECU, disconnecting the battery should not cause the bad idle. You have reset the ECU and it may need some time and driving cycles to idle correctly. But I am doubtful this is the problem. I would suspect this is just a coincidence, and you have another problem.
Toyota doesn't idle after battery install?
probaly gonna be that your alternator went bad , or would need to reset computer
Why wont my 2002 Toyota solara idle but runs fine?
Try to clean your throttle body. If you disconnect your battery or get a bad connection your throttle body will act up if it is dirty and it will not idle.
I disconnected the battery on my 1994 Eclipse and now it will not idle. What is the problem?
I think your alternator doesn't work properly.
Whats the problem when a car has an idle problem?
what type of idle problem is it, in my old jeep grand cheroke i had a problem where you had to slightly press the throttle in order to stop the engine from stalling at idle. this problem was later found to be due to to much deposit on the electrodes of the battery. Another problem i had on my vw polo was when the ignition coil went on one of the cylinders. i do know that idle problems are mainly due to ignition faults unless you've burnt a bearing.
