I don't know what kind of car this is because you did not specify,however the iat is prbably not hooked up this will cause the mil light to iluminate and if that's all you've done than if that is the proble than it will reset itself,if it is hooked up than try removing the battery cables for about 5 min you can also hold the pos and neg cables together for 30 second this will drain the capacitors in the ecm.sorry the iat is the intake air temp sensor its a two wire thermistor sensor.
disconnect the battery for ten minutes
Problem with emission system or fuel cap not installed properly
Check ground wires... and all connections.
Connects air filter and engine.
.The check engine light can be reset, after you install a new air intake, by removing the instrument panel fuse. The fuse can be located in the fuse box
An intake mixture of that is low on fuel signifies a "system to lean," condition causing your check engine light to come on. This is mechanical condition needing to be corrected because when lean predetonation - or engine damaging knocking can occur.
Yes a bad senser in any vehicle will turn your engine light on. Even a performance air intake will turn your engine light on.
Usually a problem in the emission control system or fuel cap not installed properly. Have vehicle scanned to determine the problem
This the engine management system warning light.
Check your engine codes, your airbag is disconnected or blow or not installed?
If not installed properly check engine light will illuminate
There are 2 knock sensor on the 5.3L engine. And they are under the intake manifold. To get to them you will have to remove the whole top of the engine- INTAKE MANIFOLD. Why do you think they need replaced???? check engine light came on for 2 sensor
blinking red light
check engine light means a problem with the emission system
The engine is overheating. The check engine light is not on because you have no problem with the emissions system which this light monitors.
What is system voltage while engine is running? Also ensure part is properly installed (electric connections too).
The check engine light is flashing due to a problem with the emission system. I flashing check engine light usually indicates a random engine misfire.
No - usually the Check engine light is for the emission control system
The first automatic streetlight system was installed in New Milford, Connecticut in 1949. The first traffic light was used in 1914 in Cleveland.
The light that shows an engine symbol is your check engine light . If the light stays on while the engine is running, the OBD II system has detected a possible problem with your emission system. If the light flashes on and off, an engine "miss" has been detected . Have your Explorer scanned for any trouble codes to find and then repair the problem.
The check engine light (service engine soon) comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.
Indicative of problem with engine emission system
These conditions can be related or separate. The check engine light may be illuminated for a TPS code or something altogether different. Once the new TPS was installed the OBD system should be scanned for new or old codes and cleared accordingly.
It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.