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”

2001 Mazda Tribute,Code P0401 Stored

This Mazda had several problems, most of which were caused by previous work done to vehicle by others. The P0300 code is for random general misfires, P0304 is also for a misfire but is specific to cylinder #4 and P0401 is for insufficient EGR flow. I started with the easiest code which is the EGR … Continue reading “2001 Mazda Tribute,Code P0401 Stored”

1997 Nissan Maxima Code P0325 Knock Sensor

Code P0325 stored in 1997 Nissan Maxima. Because the knock sensor is normally at fault I usually test it first. The knock sensor is located under the intake and is accessible on the driver’s side of the car. Locate the knock sensor subharness connector. It is near the dipstick tube, red knob in center of … Continue reading “1997 Nissan Maxima Code P0325 Knock Sensor”

2001 Chevrolet Blazer,4WD, Rough Run, Code P0122, Transmission Replaced Last Year

This vehicle was brought in after being at another shop as usual. Code P0122 was stored for low TPS voltage. Checked the TPS and connector and all was okay. Strangely enough I did some online research and found a post of a similar problem and it related to a 4wd vehicle that had also had … Continue reading “2001 Chevrolet Blazer,4WD, Rough Run, Code P0122, Transmission Replaced Last Year”

P0442, 1997 Mitsubishi Eclipse

Car was dropped off with the check engine light on. Checked codes and found P0442 stored for a small evap leak. Looked vehicle over and found nothing. Did some research and found that the common failure is in the rollover valve located in the top of the fuel tank. What happens over time is that … Continue reading “P0442, 1997 Mitsubishi Eclipse”