Misfires – What You Should Know About Engine Misfires
Basically, misfires are caused by one of three things, loss of spark, air/fuel mixture is too far out of balance to ignite or loss of compression.
Choose Your Help Topic Below
Rough Idling Engine – The Exact Cause Can Be Difficult To Diagnose
Engine misfires finding and fixing them
How to find mechanical engine misfires
Rocker arm dislodging with valve seat falling out
Engine Misfire or Rough idle on GM 4.8L, 5.3L, 6.0L
Valve guide wear-What to fix and why?
What is misfiring and what are the causes of misfiring?
Cylinder Power Balance Testing Made Easy
Sticking Valves From Carbon Deposits – What Should You Do
Automotive Engine Valves – What Are They And How Can They Fail
Engine Stalling Issues – Suddenly, You Question Your Vehicle’s Reliability
Engine Surging or Misfiring – Many System Malfunctions Can Cause This
Intermittent Temperature Related Engine Problems
Engine Misfiring Causes – Fuel, Ignition, Coolant Or Compression Related
Low Compression Causing Engine Misfiring – Is It A Mechanical Malfunction
So, Loss of spark includes anything that prevents coil voltage from jumping the spark plug. Also, Misfiring reduce gas mileage and increase emissions, which can cause you to fail an emissions test. Finally, More seriously, cylinder misfiring can cause damage to other engine parts, like the oxygen sensors or catalytic converter.