Question about 2003 Toyota Caldina
It was running fine and will run but have to keep revs up
*** could be caused by an air leak in one of hoses that are part of the engine management system. They run everywhere so don't take them all off once but check each one in turn to see if it is cracked or broken.There is also the possibility that you simply need to increase the idle speed adjustment.
Posted on Feb 20, 2012
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Posted on Jan 02, 2017
Were there any water leaks into the interior? Or did you ever jump start someone else's car? I had the same exact problem resulting from jump starting a friend's car. It spiked the electronic control unit (ECU) computer. I changed the ECU and the problem was fixed.
Posted on Feb 02, 2010
SOURCE: my 1987 turbo toyota supra
The throttle position sensor has an idle switch in it that tells the car's computer that the throttle is positioned at idle. If the idle switch sticks in the idle position, the computer will not allow the engine to rev more than 2500 rpm. In your case, I think the switch is stuck.
First, see if you can get the trouble codes to come up. Rig a jumper wire and jump between the "T" terminal and the "E1" terminal in the car's "Diagnostics" box. It is a small black box on the driver's side of the engine compartment near the battery. Open the lid and on the inside of the lid it has a map of the terminals.
Once you hook up the jumper wire, turn the ignition switch to on but do not start the car. If there are codes, the check engine light (orange) will blink the 2 digit code. It blinks the first digit, pauses, then blinks the second digit. The code for the throttle position sensor is code "41". That is, four blinks...pause...then one blink. If this code comes up, change the throttle position sensor. (If there are no codes, the check engine light will steadily blink once per second until you turn the key to off.) Don't forget to remove the jumper wire when you are finished.
Posted on Apr 11, 2009
Is the check engine light on? If it is, take the car to an autoparts store and have them use a scan tool to retrieve any fault code(s) that are stored in the computer. Most parts stores provide this service at no charge. The codes will help identify the problem. I would suspect a faulty Idle Air Control valve. It is on the throttle body and provides info to the computer that is used to regulate engine idle speed. That is just speculation. The code or codes will help narrow down the problem. Hope this helps and best wishes.
Posted on Jul 25, 2009
bad to worn out oil pump or excessive oil passage clearances that allowing more oil to pass thru them at a lower pressure due to the bigger opening. It can be a sign of an emminant engine failure due to oil starvation.
Posted on Aug 04, 2009
Sorry to say there is most likely quite expensive damage to the valve train and pistons. A new cam belt can be installed and the motor rotated to see if it is turning freely after which you would do a compression check (lack of compression will indicate bent or broken valves). I've never seen a diesel break a belt and avoid damage, virtually always a catastrophic failure.
Posted on Dec 22, 2009
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