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Ron Z.
Ron Z., - Auto Tech -
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Experience:  18+yrs. experience diagnostics & repair of all makes/models.
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Isuzu Ascender: how difficult is it to replace ignition coils

Resolved Question:

how difficult is it to replace ignition coils on a 2003 isuzu ascender. Also, if I had 2 recently replaced will I be able to discern the old ones from the new, or is there an easy way to test them to see which ones are bad?
Submitted: 9 months ago.
Category: Car
Expert:  Ron Z. replied 9 months ago.
Hello! Welcome to the site! Thanks for coming! I'm Ron Z. I'm here to provide as much info and insight as I can, to best answer your question.

Is this the 6-cylinder or the 8-cylinder engine?




Customer: replied 9 months ago.

6 cylinder


 

Expert:  Ron Z. replied 9 months ago.
Great! Thanks!

Ok- replcing the ignition coils isn't that bad of a job at all. I've wrapped up the procedure to replace the coils into a PDF File for easier viewing/printing. Download the procedure HERE

As for the coil difference- you should be able to spot the ones that were recently replaced. They're usually a different color or will have a different brand name on them that should stand out against the originals. Once you get in there, it should be noticable.

As for the test- Isuzu does not supply any electrical info on the coils such as Ohms, so there is no "official" test procedure. However, using an In-Line Spark Tester you can test the coils to make sure they are firing. You can usually pick up a spark tester fairly cheap at any local parts store.
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Ron Z., - Auto Tech -
Category: Car
Satisfied Customers: 13460
Experience: 18+yrs. experience diagnostics & repair of all makes/models.
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Expert:  Ron Z. replied 9 months ago.
Hello again! Ron Z here.



I noticed we have not yet resolved your concern you asked about. I would sure appreciate it if you would reply so I can offer my skills and knowledge and repair guide access to help as best I can.


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