2005 GMC Sierra, Multiple Misfires

This 2005 GMC Sierra came in with a poor run condition and multiple misfire codes stored. Code P0304 was one of the misfire codes stored. While looking at data I noted that misfires on cylinder #4 were markedly higher that most of the other cylinders. Normally when confronted with high misfire counts on this engine … Continue reading “2005 GMC Sierra, Multiple Misfires”

2004 Honda Accord 3.0 Liter V6 Misfires

This 2004 Honda Accord came in with the SES (or check engine) light on. I checked codes and found a misfire code for everyone of the six cylinders. P0301, P0302, P0303, P0304, P0305 and P0306. With a code set for every cylinder plus a random misfire code P0300 I was pretty sure there would be … Continue reading “2004 Honda Accord 3.0 Liter V6 Misfires”

2004 Lincoln Town Car, Multiple Misfires P0300 & P0304

This 2004 Lincoln town car came in with a rough run condition and codes P0300 and P0304 stored. the standard repair is new spark plugs, new spark plug boot kits and replace #4 coil assembly. I normally do not post tune up type repairs but I decided to do this one to see if there … Continue reading “2004 Lincoln Town Car, Multiple Misfires P0300 & P0304”

2001 Mazda Tribute, Code P0300 and P0304

2001 Mazda Tribute with a 3.0 liter v6 engine Vin 1 and codes P0300 and P0304 stored. The P0304 code is very specific to cylinder #4 so that is where I started. After finding that cylinder #4 was one of the easiest to access I was quite happy. I first removed the coil cover on … Continue reading “2001 Mazda Tribute, Code P0300 and P0304”