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Engine misfire

Tiny
JOE1953
  • MEMBER
  • 2007 TOYOTA CAMRY
  • 2.4L
  • 4 CYL
  • 194,000 MILES
Sometime when driving the engine have a little misfire the spark plugs was replace October 24, 2014, but the part that connect to the spark plug look like a spark plug wire it was not replace. What it is called?
Monday, September 12th, 2016 AT 6:36 PM

31 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
That is called the coil stem.
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Monday, September 12th, 2016 AT 8:17 PM
Tiny
JOE1953
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  • 619 POSTS
Will the coil stem cause a misfire?
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Monday, September 12th, 2016 AT 8:50 PM
Tiny
SATURNTECH9
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I really doubt that is the miss fire only at idle?
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Monday, September 12th, 2016 AT 9:02 PM
Tiny
JOE1953
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  • 619 POSTS
It miss fire when press on gas pedal sometime. How often do I replace the spark plugs and the coil stem?
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Monday, September 12th, 2016 AT 9:51 PM
Tiny
SATURNTECH9
  • MECHANIC
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The spark plugs should be good for at least 100,000 miles. Thee coil stems last a while there is no change interval for those. You could have a bad coil are there any codes in the computer of the car?
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Monday, September 12th, 2016 AT 11:06 PM
Tiny
JOE1953
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  • 619 POSTS
There was a code I forgot what it was. I did not write it down, but it had something to do with the coil stem.
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Monday, September 12th, 2016 AT 11:33 PM
Tiny
SATURNTECH9
  • MECHANIC
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I need the exact code numbers not code descriptions so we can swap coils around to see if the misfire moves to another cylinder with the coil.
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Monday, September 12th, 2016 AT 11:46 PM
Tiny
JOE1953
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  • 619 POSTS
I notice the connected end that connect to the coil is broken. It did not have tight fit. Is it call a pigtail? Can it be replace?
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Tuesday, September 13th, 2016 AT 7:13 PM
Tiny
SATURNTECH9
  • MECHANIC
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The coil itself of the connector that goes to the coil is broken?
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Tuesday, September 13th, 2016 AT 7:14 PM
Tiny
JOE1953
  • MEMBER
  • 619 POSTS
How do I replace the pigtail?
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Tuesday, October 4th, 2016 AT 4:47 PM
Tiny
SATURNTECH9
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Can you post a picture of what your talking about?Iam still unclear what your talking about.
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Tuesday, October 4th, 2016 AT 6:40 PM
Tiny
JOE1953
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  • 619 POSTS
I don't know how to post a picture I am talking about the electrical wiring that connect to the coils one of those end is defected and need to be replace.
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Tuesday, October 4th, 2016 AT 7:09 PM
Tiny
SATURNTECH9
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You would have to splice the new one in with some crimp and seal butt connectors.
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+1
Wednesday, October 5th, 2016 AT 9:32 PM
Tiny
JOE1953
  • MEMBER
  • 619 POSTS
What I do to splice the new one can you send me a picture showing how to splice it?
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Friday, October 7th, 2016 AT 10:20 PM
Tiny
JOE1953
  • MEMBER
  • 619 POSTS
The code number is PO301 what the meaning is?
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Saturday, October 15th, 2016 AT 1:43 PM
Tiny
SATURNTECH9
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That's cylinder one Miss fire.
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Saturday, October 15th, 2016 AT 2:48 PM
Tiny
JOE1953
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  • 619 POSTS
How do I fix the Miss fire?
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Saturday, October 15th, 2016 AT 3:10 PM
Tiny
SATURNTECH9
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Is it a constant miss fire or a intermittent one?Also depending on what's causing it spark plugs coil compression fuel etc.
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Saturday, October 15th, 2016 AT 3:20 PM
Tiny
JOE1953
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It is a intermittent one.
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Saturday, October 15th, 2016 AT 3:53 PM
Tiny
JOE1953
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  • 619 POSTS
It is a intermittent miss fire. How do I test the coil and spark plugs?
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Saturday, October 15th, 2016 AT 7:28 PM

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