Tomorrow's Technician

NOVEMBER 21, 2023

The cause of the misfire could be a fuel, spark or mechanical issue. Unfortunately, a misfire also will cause a considerable increase in hydrocarbon (HC) emissions, which can cause a vehicle to fail an emissions test. The spark plug can have damaged electrodes due to a combustion incident or mechanical damage.

Engineering 130

Engineering Mechanic Check Engine Light Emissions Testing 130

Tomorrow's Technician

OCTOBER 20, 2023

Unfortunately, a misfire also will cause a considerable increase in hydrocarbon (HC) emissions, which can cause a vehicle to fail an emissions test. Then, the crankshaft rotational velocity and acceleration are compared in the event of a power loss from each cylinder. Tackling a misfire is not about one part or procedure.

Engineering 130

Engineering Check Engine Light Emissions Testing Mechanic 130

RepairSmith

APRIL 25, 2024

So when the leak detection pump in the exhaust system suspects a small EVAP leak event, it immediately turns the Check Engine Light on. A Failed Emissions Test or Smoke Test One of the main indicators of the P0442 code is a failed emission test or a smoke test. Get a quick and fair quote today.

Emissions Testing 52

Emissions Testing Check Engine Light Mechanic Engineering 52

Tire Review Magazine

SEPTEMBER 17, 2024

Misfires can be one of the most ambiguous codes in a vehicle because they can be caused by fuel, spark, or mechanical problems, making them tricky to diagnose. Misfires also significantly increase hydrocarbon emissions, which can cause a vehicle to fail an emissions test. But what exactly is a misfire? The answer is both.

Engineering 52

Engineering Mechanic Emissions Testing Vehicle 52