What are some fuel-efficient driving techniques?

Causes of Carbon Fouling: · Continuous low-speed driving and/or short trips · Spark plug heat range too cold · Air-fuel mixture too rich · Reduced compression and ... Dec 15, 2008 ... And if the O2 sensor was bad, would that even cause it to be hard to start? The carbon fouling could have happened due to the plugs firing ... Jun 23, 2009 ... Carbon fouling is caused by weak spark, wrong plug heat range, and rich conditions. Essentially, you're burning too cool. Need to heat things up a bit. Jan 29, 2022 ... While they do have a lot of carbon on them; I doubt ... You need to determine whether its spark or fuel that is causing it not to start. Apr 1, 2022 ... Carbon fouling on a spark plug is caused by a problem with the fuel that you use. Often, we describe it as a fuel mixture that's too rich, which ... Mar 31, 2010 ... It is possible to foul a spark plug when running it at the proper temp. range, but it isn't very common. One good example would be oil fouling. Aug 26, 2015 ... ... ignition event), it could ignite and blow back out the intake. That skipped ignition event could be caused by a fouled/fouling sparkplug, or ... Sep 1, 2014 ... You're not doing your engine any favors like that. Smell, smell is unburned fuel mix coming out the exhaust. this is caused by mis-fire. put a ... Apr 8, 2004 ... the plugs are dry black "coated" the engine begins to miss, can take spark plug wires off and no noticable change in idle acceleceraton. the egr ... Feb 17, 2016 ... May not be a fuel problem. Weak spark will cause the same thing, carbon fouling. First question, dry foul or wet? Wet is oily, and could ...