Oh wait, never mind... he swaped wires. Just buy a set of plugs... you
need them anyway.
Daniel L. Burrows wrote:
>
> He said he swaped with another...
>
> Josh Battles wrote:
>
>> On Tue, January 17, 2006 6:33 pm, david.clement@verizon.net wrote:
>>
>>> My wife's PT cruiser has been setting code P0304 (mis-fire cylinder
>>> #4). If I
>>> clear the code it will come back in 2 or 3 days. It's not impacting
>>> the way
>>> the
>>> car runs in any noticiable way.
>>>
>>> Since the car was due for new plugs I figured that would be a good
>>> place to
>>> start no sets code. I thought maybe I had a wire going bad so I
>>> swapped wires
>>> for cylinder 1 & 4 to see if the code would move to cylinder #1
>>> (P0304), nope
>>> still P0304.
>>>
>>> My question is how does the ecm sense that there has been a mis-fire?
>>> Is it
>>> strikely looking to see if there has been a spark or is it looking
>>> for some
>>> sort of change in rotationaly speed of the crank that would indicate the
>>> mixture did not ignite (i.e. bad injector). I begining to think it
>>> might be
>>> an
>>> injector issue but don't want to did that far into it unless I know
>>> that the
>>> ecm could sense this.
>>>
>>> I am past the 3/36 bumper to bumper warranty and into the 7/70 power
>>> train
>>> emissions warranty which I belive would cover this but with a
>>> deductable. If
>>> it's as simple as a new injector (about $45) I will do it myself.
>>
>>
>>
>> Have you pulled the plugs? What does the #4 look like? I'd probably
>> replace
>> the plugs just to see what happens and go from there.
>>
>> turbo?
>>
>
>
This archive was generated by hypermail 2b29 : Wed Feb 01 2006 - 20:27:15 EST