WebThe I/M 240 test simulates emissions during a variety of driving conditions (idle, low speed and high speed) over the course of 240 seconds (4 minutes). More information about the I/M 240 test is available through the Air Care Colorado website . Web3.1%. P0446. EVAP (Evaporative Emission) System Leak Detected (large) 6.2%. P0455. Even fouled or the worn out catalytic converter is the most cause failed on test, based on above data you will get a somewhat different picture, if all of the related codes by system or component to be combined. There’s a systems that are most likely cause fail ...
In service exhaust emission standards for road vehicles: …
WebTest personnel will advise vehicle owners if they pass the I/M 240 test but fail the OBD test to get a mechanic to take a further look at any issues with the vehicle and repair them. … WebThe first test consists of checking the emissions at ’fast-idle speed’ which involves running the engine at a speed of 2500 3000 rpm. During this test the emissions of - CO and HC will be checked and a further check will be made on the lambda (1) value. The second test consists of a check of emissions at ‘normal idle speed’ in which the saswell sea802
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WebApr 29, 2024 · The first is the Single Idle Speed (BAR 90) Test, reserved for cars built between 1976 and 1980. It involves inserting a metal probe into the tailpipe, which measures the vehicle’s exhaust gas. The second method uses a sensor placed on the hood to measure the engine’s speed. The results will determine whether the car’s emission … WebIn most cases, the code gets triggered even if the Idle Air Control (IAC) valve is closed, which only means that there is a vacuum leak and the system is trying to decrease idle speed by closing the idle air bypass … saswell 230v lcd programmable thermostat