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3 & 6 not firing after igniter coil was replaced, 2001

Customer Question
3 & 6 not...

3 & 6 not firing after igniter coil was replaced

Mechanic's Assistant: What is the model/year of your Mitsubishi?

2001 montero sport

Mechanic's Assistant: Are you fixing your Montero Sport yourself? What have you tried so far?

Yes, replaced igniter coil, and just now I unplugged # 3 wire and plugged in another wire going to a spark plug just to check for spark and I do not have a spark

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

It runs rough, and I can unplug the coil feeding 3 & 6 with no change to idle

Mechanic's Assistant: Is the rough idle intermittent or consistent?

Consistent, also no power especially up hill

Submitted: 3 months ago.Category: Mitsubishi
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Answered in 1 minute by:
3/24/2018
Mitsubishi Mechanic: Dan, Technician replied 3 months ago
Dan
Dan, Technician
Category: Mitsubishi
Satisfied Customers: 25,969
Experience: Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Customer reply replied 3 months ago
Any ideas?
Mitsubishi Mechanic: Dan, Technician replied 3 months ago

C​ylinder 3 and 6 share the same coil so it sounds like either coil or connector going to coil. Swap that coil with another cylinder to see if problem follows coil if so replace coil. If that doesn't help check to see if the black/white wire at coil has power with key on and the brown/red should pulsate ground off on. Depending on which one is missing then you probably have a broken wire. Here is a wire diagram to help with testing. My goal is to provide 5 star service so please let me know if you have any questions, thanks.

-

https://www.dropbox.com/s/ej8f4lww3ov0njp/coild.pdf?dl=0

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Customer reply replied 3 months ago
Any ideas? Coil already replaced
Mitsubishi Mechanic: Dan, Technician replied 3 months ago

It is possible coil is problem so I'd swap it with another cylinder to see if problem follows coil if not then wiring is most likely the issue.

C​ylinder 3 and 6 share the same coil so it sounds like either coil or connector going to coil. Swap that coil with another cylinder to see if problem follows coil if so replace coil. If that doesn't help check to see if the black/white wire at coil has power with key on and the brown/red should pulsate ground off on. Depending on which one is missing then you probably have a broken wire. Here is a wire diagram to help with testing. My goal is to provide 5 star service so please let me know if you have any questions, thanks.

-

https://www.dropbox.com/s/ej8f4lww3ov0njp/coild.pdf?dl=0

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Mitsubishi Mechanic: Dan, Technician replied 3 months ago

Ever get it figured out? Please do not forget to rate answer. Thanks.

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