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Author Topic: 3.4 swap runs but sputters smooths out then dies smells very rich  (Read 30261 times)

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Sandman87

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #60 on: March 18, 2020, 06:18:54 am »
During the rebuild I replaced the fuel pressure regulator. the only issue I had with the fuel pressure regulator is I broke the vacuum outlet off as Fierofool may remember me asking him about it .but I ended up just using the Camaros fuel pressure regulator
" housing"to remedy that. They looked completely identical. And I used the brand new Fiero 2.8  internals.
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Mike

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #61 on: March 18, 2020, 06:34:55 am »
What engine was previously in this Fiero?
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GTRS Fiero

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Re: 3.4 swap runs but 2000k idle ??
« Reply #62 on: March 18, 2020, 06:40:47 am »
Quote from: Fierofool on March 12, 2020, 01:44:14 pm
Do you have a MightyVac?  You can test the vacuum to the fuel pressure regulator by pulling a few inches of vacuum and see if it holds.  Same with the vacuum line to the EGR valve.  Some of the other lines are open at the opposite end so that test won't work.

I know this has been suggested, several times, but I still didn't see that you did it.
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Sandman87

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #63 on: March 18, 2020, 06:45:40 am »
2.8 v6
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Mike

Sandman87

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #64 on: March 18, 2020, 06:46:32 am »
I do not have a mighty vac I could go to harbor freight and pick one up.
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Mike

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #65 on: March 18, 2020, 06:57:32 am »
Even pulling the vacuum line from the FPR to check for fuel would be a good start there.
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GTRS Fiero

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #66 on: March 18, 2020, 06:57:54 am »
Quote from: Sandman87 on March 18, 2020, 06:45:40 am
2.8 v6

Were there any issues running the 2.8?
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Sandman87

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #67 on: March 18, 2020, 07:23:13 am »
The 2.8 I pulled had three spun rod bearings would not start lol

You can see my pictures that I posted in the 3.4 swap post that I made I never seen an engine in such bad shape.
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Mike

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #68 on: March 18, 2020, 07:35:08 am »
Yes, yuck.

Has the fuel filter been replaced?
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Sandman87

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #69 on: March 18, 2020, 07:56:04 am »
Yes, I replaced it yesterday.
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Mike

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #70 on: March 18, 2020, 08:00:06 am »
Is the exhaust fully connected?
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Sandman87

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #71 on: March 18, 2020, 08:22:20 am »
No . Somebody cut the catalytic converter out. Headers to y-pipe then the pipe goes down right before the catalytic converter then ends.
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Mike

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #72 on: March 18, 2020, 06:07:10 pm »
Ok.  Well, you answered my question, anyway.
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Sandman87

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #73 on: March 18, 2020, 06:50:40 pm »
No clogged cat here haha
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Mike

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Re: 3.4 swap runs but sputters smooths out then dies smells very rich
« Reply #74 on: March 18, 2020, 08:05:30 pm »
LOL!  Yep, that was where I was going.
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