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02 mercury cougar v6 #3 cyl code po303 cyl comes and goes.

 
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  • Answered by:Steve
  • ASE Certified Tech
  • Positive Feedback: 98.8 %
  • Accepted Answers: 210
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Customer Question

02 mercury cougar v6 #3 cyl code po303 cyl comes and goes.

 

Optional Information:
Year: 2002
Make: Mercury
Model: cougar
Engine: v6

Already Tried:
nothing

Submitted: 937 days and 12 hours ago via AllDataDIY.
Category: Car
Value: $23
Status: CLOSED

Accepted Answer

Picture
Expert:  Steve replied 937 days and 12 hours ago.

Chat Conversation Started

Steve :

Hello and Welcome to Justanswer, My name is XXXXX XXX I am here to try and assist your with your question

Steve :

need to replace the plugs or at least the plug in cylinder #3 and the plug wires.

Steve :

it is common for the plug wires to go bad and carbon track the plug

Steve :

hi

Steve :

did you get a chance to read the above?

Customer :

how r u

Customer :

yes

Steve :

doing great

Steve :

any questions?

Steve :

basically nee to change the plugs and the plug wires.

Customer :

so ur saying replace plugs and wires, and this dosen't work what's next?

Steve :

check the coil pack for no spark

Steve :

does it run rough all the time or just sometimes

Customer :

just sometimes it idles fine

Steve :

ok then it is most likly bad plugs and wires

Steve :

plugs and wires will solve the concern

Customer :

ok will install right away.

Customer :

thanks

Steve :

great please hit the green accept button thanks

Expert TypeASE Certified Tech
Category: Car
Pos. Feedback: 98.8 %
Accepts: 210
Answered: 9/25/2010

Experience: 25 years working as a service technician

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