I was wondering how the car's ECU detect Misfire.

I got a few Misfire codes lately, but the car seems to run just fine. It happens at idle or when driving very slowly. I went to the dealer but the problem was not present when I was there and they said everything was fine. They erased everything, but it came back this morning.

So I was wondering if they could be "false alarm" caused by a faulty sensor. The codes were saying misfire on ALL cylinders (p0300 to p0306) and the CEL blinked before staying on, but like I said before, I could not notice anything else unusual with the car.

It is a 04 TL, 65 kmph and no more warranty.

 

Have you driven the car hard lately? Filled up gas lately?
Misfires can be due to many things, one that I can think of now is that you may have some bad fuel, and the timing is reduced so far to the point where it cannot contain the mis-fires. I would put some seafoam in the gas tank to get rid of any water or contaminants in it, or to put more gas in from a trusted Tier 1 retailer.

 

^^^I agree. It's happened to me before, and I put in some octane booster and some fuel treatment. But, what's funny is that my car was noticeably not running right, or idling right.

Put in some additives, fuel at a Tier 1 gas station, drive as much as possible, and refuel. It should go away soon after. Now you just have to worry about getting the codes erased.

 

he's French the car probably just decided to retreat.



























Use only Top Tier Fuel I.E Shell V-Power 91 Octane and it should clear up, stop trying to run on poutine.

 

I been getting the same issue. Make sure you use +91 gas. ALso when closing the fuel cap. PUSH DOWN ON THE CAP UNTIL IT CLICKS. VERY IMPORTANT

 

 

I am not sure if this applies but take a look at this
http://www.in.honda.com/Rjanisis/pubs/SB/B03-033.PDF

 

Civil war in the making?