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Can they test your computer when there is no check engine light on?
Wiki User
∙ 14y ago
yes! of course so! if you think there is something wrong with yer car go and get it checked! you don't want to break ne where and wait for some1 to pick you up and pay a large towing bill!
Wiki User
∙ 14y ago
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Why does your check engine light stay on?
Computer (ECM) does a self test of components and has found a part that is out of the specified range and turns on the check engine light so that you get it checked out so that the problem doesn't get worse.
Honda civic 1.4 1997 engine light come on after engine start?
If a check engine light is appearing when the car starts then the ECU is receiving an alert from somewhere in the engine. The computer should receive a diagnostic test which will provide an answer as to why the check engine light appeared on the 1997 Honda Civic.
Engine check light comes on and computer reads knock sensor?
You need to test/replace the knock sensor. ireplaced it already.
How long for a check engine light to turn off after replacing torque converter?
If you have repaired the cause of the light, the computer has to run the appropriate test and pass three times to clear the light.
Where can I test the check engine light?
Simply turn on the ignition but do not attempt to start the engine. If the light bulb is good you will see the Check Engine light illuminate and stay on. If you do not see the Check Engine light, the bulb is defective or has been removed.
Will a car pass ON emission test with check engine light on?
No, it will not.
Will you need to reset your check engine light after replaceing your thermostst?
If the light is on, you will need to have it reset, or wait for the computer to run the self test enough times to turn itself off.
How you can test the oxygen sensors?
There really isn't any way to test the oxygen sensor to see if it is good or bad. If your check engine light is on you can take it to Autozone and they will hook it up to computer and if the oxygen sensor is bad, the computer will detect it.
What causes the check engine light to come on in a 1994 Toyota Camry?
The computer has detected a fault with one of the electronic components and is warning you to run a diagnostic test.
Can you pass inspection with check engine light on?
Whether or not a car will pass inspection with the Check Engine light on is up to the state or county giving the test. As long as the car passes an emissions test, it should be fine.
How do you clear codes on your 1995 Chevy blazer to get the 4x4 working again?
First uf all, The computer has nothing to do with the 4x4 on this year truck. If your check engine light is on , Then there's a problem in the system wiyh the engine or transmission, Not the 4x4. You need to check the 4x4 Actuator on the front housing to see if it has power going to it when you ingauge the 4x4. Check it with a test light. If it lights up the test light, Then replace the actuator in the housing. If it don't. Then go to the top of the Transfur case and you will see a switch on it. Check it with a test light, With the 4x4 ingaged, if its hot there then replace that switch. Before you do anything check the 4x4 Fuse's in the fuse box with a test light.
How you test your 92 dodge stealth for engine check light?
With a scan tool
