Misfire worse with air on?
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Joined: May 2014
Posts: 22
From: Seattle, WA
Misfire worse with air on?
I have a 2008 fit sport getting misfire codes P0300, P0301, P0302, P0303, P0304.
Back when service code 4 popped up, I had the Honda dealer perform the spark plug replace and valve adjustment. I had misfire before and after this work was done. I'll note that this issue can come and go and I've tried techron fuel additive in the past, which may have helped a little, but still has the problem after and during many applications. For a while it happened with no codes or check engine light, but now I have the light and need to get it inspected soon.
Before I go replacing coils, I wanted to ask if anyone had has this problem and noticed that it is considerably worse with the air on? Doesn't matter if it's heat, cool, or AC, as soon as the fan starts blowing my car shakes like crazy, then I turn off the air and it will still misfire but not as often or as severe. Anyone know why this would be and if I could have something else going on besides coils?
Thanks!
Back when service code 4 popped up, I had the Honda dealer perform the spark plug replace and valve adjustment. I had misfire before and after this work was done. I'll note that this issue can come and go and I've tried techron fuel additive in the past, which may have helped a little, but still has the problem after and during many applications. For a while it happened with no codes or check engine light, but now I have the light and need to get it inspected soon.
Before I go replacing coils, I wanted to ask if anyone had has this problem and noticed that it is considerably worse with the air on? Doesn't matter if it's heat, cool, or AC, as soon as the fan starts blowing my car shakes like crazy, then I turn off the air and it will still misfire but not as often or as severe. Anyone know why this would be and if I could have something else going on besides coils?
Thanks!
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