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Forum: Engine & Drivetrain

06-05-2020, 03:20 PM

Replies: 30

P0302 Cylinder Misfire

Views: 4,723

Posted By SonicVQ

The "MEC107" is not the part number, it is more...

The "MEC107" is not the part number, it is more like a production number.

You need to find out the ECU ID of your existing ECU. It will be something like "6GC2A"

This can be done with an cheap...

Forum: Engine & Drivetrain

06-05-2020, 09:34 AM

Replies: 30

P0302 Cylinder Misfire

Views: 4,723

Posted By SonicVQ

I think you are right. Ebay is a good source...

I think you are right.
Ebay is a good source for inexpensive ECUs. I have purchased them for as low $50 US (plus shipping, duty and taxes of $50 to Canada, so $100 total)

I believe you will need...

Forum: Engine & Drivetrain

05-31-2020, 09:02 AM

Replies: 30

P0302 Cylinder Misfire

Views: 4,723

Posted By SonicVQ

If you haven't already, disconnect the ECU and...

If you haven't already, disconnect the ECU and the ignition coil #4. Check the resistance between #4 signal wire and ground. It should be open.

I think the next step would be to temporarily run a...

Forum: Engine & Drivetrain

05-30-2020, 08:38 AM

Replies: 30

P0302 Cylinder Misfire

Views: 4,723

Posted By SonicVQ

Now that you have a scope, I think the next step...

Now that you have a scope, I think the next step is determine bad coil, vs bad wire/ecu.

Set up the scope and get a screen capture (use phone if there isn't a built in function) of cylinder #4...

Forum: Engine & Drivetrain

05-29-2020, 08:34 AM

Replies: 30

P0302 Cylinder Misfire

Views: 4,723

Posted By SonicVQ

The condenser is difficult to find as it is taped...

The condenser is difficult to find as it is taped to the wiring harness that is under the upper intake.

http://www.the370z.com/attachment.php?attachmentid=142777&stc=1&d=1590759051

This is...

Forum: Engine & Drivetrain

05-25-2020, 12:01 PM

Replies: 30

P0302 Cylinder Misfire

Views: 4,723

Posted By SonicVQ

If you want to troubleshoot the ignition coils,...

If you want to troubleshoot the ignition coils, you will need to scope the current of each ignition coil on the primary (low voltage side) typically the coil ground.

When you look at all 6...

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