- Jan 22, 2014
- 359
Ok so if you read any of my threads lately, I've been doing some work on the truck. Last thing I did was change the spark plugs, I did not change the wires.
So the day I did the final plug, I pulled out the torque app and ran a scan for however long it takes to run 2 full scans...couple minutes. It showed 1 misfire on cyl 3. Not sure what it meant (and still not) I went about my business.
So today, I pulled it out again. This time it shows a misfire here or there across multiple cylinders. When I say here or there, I mean it. Like 1 or 2. The most on one of the cyl was 6, the least was 0.
It also says something about secondary air system, and in the past during the cold winter I've gotten the throttle position sensor code, which is the only thing so far that has set the cel. But I've been able to clear it and it has been months since it's came back.
Today I let it scan for about 20 min. The misfire count stayed the same, and the avg over the last 10 drive cycles was still showing as 0, despite seeing some today. I don't recall checking it or at least paying any attention to it, so no idea what it might have been doing with the old plugs.
I wanna ask if this is something to worry about? But I am sure it is. The truck has been running fine, actually it always has, never had a blinking cel, just the one for the throttle a few months back. Idle seems fine, driving fine, and actually is getting slightly better gas mileage than it did prior to the plug change.
So the day I did the final plug, I pulled out the torque app and ran a scan for however long it takes to run 2 full scans...couple minutes. It showed 1 misfire on cyl 3. Not sure what it meant (and still not) I went about my business.
So today, I pulled it out again. This time it shows a misfire here or there across multiple cylinders. When I say here or there, I mean it. Like 1 or 2. The most on one of the cyl was 6, the least was 0.
It also says something about secondary air system, and in the past during the cold winter I've gotten the throttle position sensor code, which is the only thing so far that has set the cel. But I've been able to clear it and it has been months since it's came back.
Today I let it scan for about 20 min. The misfire count stayed the same, and the avg over the last 10 drive cycles was still showing as 0, despite seeing some today. I don't recall checking it or at least paying any attention to it, so no idea what it might have been doing with the old plugs.
I wanna ask if this is something to worry about? But I am sure it is. The truck has been running fine, actually it always has, never had a blinking cel, just the one for the throttle a few months back. Idle seems fine, driving fine, and actually is getting slightly better gas mileage than it did prior to the plug change.