Just installed 6.0, getting misfire/flashing SES light.

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03-20-2010, 05:32 PM

#21

DV2000NJ

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Quote:

Originally Posted by GMCtrk

Nope, fired right up perfectly.

I'd say you're problems are due to the open headers. How come you haven't bolted up the OBX y pipe?

The headers I got are the ones that are essentially stainless Pacesetters (EGR port, 3" slip-fit collectors, same pipe routing), and they didn't come with a Y. I'm going to a buddy's house tomorrow to modify the stock Y.

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03-20-2010, 05:32 PM

#22

GMCtrk

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If that's the case just buy a Pacesetter Y pipe. It should bolt right up since those headers are copies of pacesetters

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03-20-2010, 05:33 PM

#23

DV2000NJ

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Quote:

Originally Posted by dlt76028

No it will flash p0300. mines done it multiple times

Hm... Learn something new every day.

If it were a cracked plug though, it wouldn't be RPM dependent, would it?

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03-20-2010, 05:36 PM

#24

DV2000NJ

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Quote:

Originally Posted by GMCtrk

If that's the case just buy a Pacesetter Y pipe. It should bolt right up since those headers are copies of pacesetters

Eh, cutting/welding up the stock Y is cheaper, and I want to run cats.

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03-20-2010, 05:42 PM

#25

dlt76028

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Quote:

Originally Posted by DV2000NJ

Hm... Learn something new every day.

If it were a cracked plug though, it wouldn't be RPM dependent, would it?

I had a cracked plug that would drive fine until higher rpms and it would start popping.

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03-20-2010, 05:48 PM

#26

DV2000NJ

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Quote:

Originally Posted by dlt76028

I had a cracked plug that would drive fine until higher rpms and it would start popping.

Hm... That'll be the next thing I check after the exhaust is straightened out.

And I might as well ask you too, when you did your swap, did you need to get a CASE/crank relearn done?

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03-20-2010, 05:49 PM

#27

dlt76028

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No.....

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03-20-2010, 05:55 PM

#28

DV2000NJ

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Cool, thanks.

And thanks for all the input guys, I really appreciate it.

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03-21-2010, 03:12 PM

#29

DV2000NJ

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Exhaust is on, misfire is gone, and everything is perfect. Well, except for the oil leak from behind the oil cooler block off plate. Yes, I forgot the gasket.