This 2007 GMC Yukon came in with multiple complaints among which were the engine seemed to have no power, the Service Engine Soon, ABS and Traction lights were on and there was a stability message displayed in the Driver’s Information Center (DIC). The customer also stated that the vehicle ran fine sometimes but as soon as the … Continue reading “2007 GMC Yukon Multiple Misfires-Codes-P0300-P0352-P0354-P0356-P0358”
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”
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”
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 Pontiac Grand Am with 2.4 liter engine was brought in with the SES light on and a complaint of tip in acceleration problem and rough idle. The codes that were stored were P0105 for a MAP sensor malfunction, P0172 for a system rich fault and P0300 for a general misfire fault. I opened the … Continue reading “2001 Pontiac Grand Am, Codes P0105, P0172 and P0300”
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”
Vehicle came in the shop, with the SES light on and an obvious misfire. Previous shops had replaced plugs and wires, removed cats, replaced both bank 2 oxygen sensors, the ECM and had swapped positions of coils and injectors for cylinder #6. I scanned vehicle and found a misfire present on #6 cylinder on a … Continue reading “2004 Chevrolet Silverado 2500HD , 6.0 Vin U Misfire”