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Maxima 99 timing chain

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4 years 10 months ago #31068 by A93320336@gmail.com
Team
I work in maxima 1999 615000km
I replace timing chain on it
But it now misfire and not acclater

I do battery current with cly # 3 and cly #6
Code i have knock sensor
Plz chack for me if timing is ok
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4 years 10 months ago #31069 by A93320336@gmail.com
It is v6 3000 cc

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4 years 10 months ago #31070 by Tyler
Replied by Tyler on topic Maxima 99 timing chain
Is the blue trace on cylinder #3 ignition coil? And the green trace on #6 coil? If so, you still have a problem. :(

Based on the firing order, it would appear your problem is with bank two. No compression, or close to it. Can't say if it's timing to a certainty. But, it's a strong possibility. Cylinder leakage is another.

What's the repair history on this one?

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4 years 10 months ago #31072 by A93320336@gmail.com
Soory my green trace is cly #5 and blue is cly# 6

Replace timing and oil seal

Tow time replace the timing chain due to not fix as per mark

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4 years 10 months ago #31089 by guafa
Replied by guafa on topic Maxima 99 timing chain
Hi everyone.

I don´t know this engine but according to "mr google" all nissan V6 engines have the same firing order (123456), right?

According to this firing order graph should look like attached image.

I'm not completely sure why in blue trace there is an advance in time (maybe pcm trying to give more time for combustion?)

Cheers.
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4 years 10 months ago #31090 by A93320336@gmail.com
Dear
It should fire on #3 and #6 or it is no compration for bank one ?

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4 years 10 months ago #31091 by A93320336@gmail.com
It is like wast spark or it should spark only at Top of compration?
Now same fire in #3 and #6
Or i mis #3 compration

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4 years 10 months ago - 4 years 10 months ago #31092 by jreardon
Replied by jreardon on topic Maxima 99 timing chain
It should look like this I think.




File Attachment:

File Name: 1999nissan...hain.pdf
File Size:291 KB
Attachments:
Last edit: 4 years 10 months ago by jreardon. Reason: add pdf

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4 years 10 months ago #31100 by guafa
Replied by guafa on topic Maxima 99 timing chain
Hi guys,

Is it a waste spark?

How many coils does it have?

I think if it has 3 coils, is like i showed. If it has 6 coils is like jreardon showed)

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4 years 10 months ago #31102 by guafa
Replied by guafa on topic Maxima 99 timing chain
in case this is a waste spark ignition system, this is what i see.

Awaiting confirmation. Regards
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4 years 10 months ago #31106 by Tyler
Replied by Tyler on topic Maxima 99 timing chain
It's a COP system.

I misspoke earlier. That relative compression waveform shows little or no compression on bank one. My mistake. :blush:

Did the engine run well prior to chain replacement? If so, it's likely this problem was installed.

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4 years 10 months ago #31128 by A93320336@gmail.com
It is cop sytem have 6 coil

No compration on bank one and 180 in bank 2

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