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Author Topic: My Misc Fiero issues  (Read 125335 times)

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Wreck It Ralph

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Re: My Misc Fiero issues
« Reply #585 on: January 01, 2021, 12:22:47 pm »
Oh I thought you meant you had a 4cyl that did. 😂
1988 Fiero Base 4cyl 5spd.
1986 Fiero GT ... Parting out. Let me know if you need something.

Wreck It Ralph

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Re: My Misc Fiero issues
« Reply #586 on: January 01, 2021, 12:24:03 pm »
Oh.  I suspect torque breaks the wheels loose.

Generally yes. Torque and hp as you know don’t always correlate 
1988 Fiero Base 4cyl 5spd.
1986 Fiero GT ... Parting out. Let me know if you need something.

GTRS Fiero

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Re: My Misc Fiero issues
« Reply #587 on: January 01, 2021, 12:25:27 pm »
Well, I used to have torque.

Wreck It Ralph

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Re: My Misc Fiero issues
« Reply #588 on: January 01, 2021, 12:29:46 pm »
Well, I used to have torque.

Now this is an automatic so it can be slipping 1st gear clutches or slipping torque converter or misadjusted cable or governor. So all that power can be getting lost in the transmission.
1988 Fiero Base 4cyl 5spd.
1986 Fiero GT ... Parting out. Let me know if you need something.

GTRS Fiero

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Re: My Misc Fiero issues
« Reply #589 on: January 01, 2021, 12:31:22 pm »
No, it seems that the engine just doesn't want to spin up.

Wreck It Ralph

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Re: My Misc Fiero issues
« Reply #590 on: January 01, 2021, 12:33:15 pm »
Lack of air or fuel?
1988 Fiero Base 4cyl 5spd.
1986 Fiero GT ... Parting out. Let me know if you need something.

GTRS Fiero

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Re: My Misc Fiero issues
« Reply #591 on: January 01, 2021, 12:53:30 pm »
I think it's only running on 5 cylinders.  Spark.

Wreck It Ralph

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Re: My Misc Fiero issues
« Reply #592 on: January 01, 2021, 01:00:11 pm »
5 out of 6 is still 83%. You still pass the exam. 😂

When was the last full tune up? I assume you’ve checked the wires and cap?

Also find yourself one of these

https://www.amazon.com/dp/B075DC58NS/ref=cm_sw_r_cp_awdb_imm_t1_Tk27Fb7D5K581

Best tune up pocket tool

I also have a tool that can check the insulation on the wires. You can get it cheap on Amazon
1988 Fiero Base 4cyl 5spd.
1986 Fiero GT ... Parting out. Let me know if you need something.

GTRS Fiero

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Re: My Misc Fiero issues
« Reply #593 on: January 01, 2021, 01:04:11 pm »
On the tour, power felt way down.  I found a bad pushrod.  I suspect that cylinder is fouled.  The plug wires have little cuts in the insulation, so are being replaced.

Wreck It Ralph

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Re: My Misc Fiero issues
« Reply #594 on: January 01, 2021, 01:09:05 pm »
To be honest I specialized in overhead cam engines. I have a lot to learn about push rod engines.
1988 Fiero Base 4cyl 5spd.
1986 Fiero GT ... Parting out. Let me know if you need something.

Fierofool

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Re: My Misc Fiero issues
« Reply #595 on: January 01, 2021, 03:00:20 pm »
Mostly, they just have 2 extra parts per cylinder.  Lifter and pushrod.  Then there's that funky thing with all the bumpy things on top of the cylinder head that's missing.   ;D
There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

Fierofool

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Re: My Misc Fiero issues
« Reply #596 on: January 01, 2021, 03:14:03 pm »
Ralph, thanks for the link to that spark tester.  I looked at it and it says it's no longer available.  I scrolled down on the page and found one just like it made by Lisle Tools, having a 4.5 star rating.  Stocked in the US, made in China, but I ordered it for $8+.  I think it will come in handy for finding the light skip in my truck. 

https://www.amazon.com/Lisle-19380-Spark-Tester/dp/B0002STS3U/ref=pd_sbs_263_1/134-6974985-8377458?_encoding=UTF8&pd_rd_i=B0002STS3U&pd_rd_r=af7ce9fe-bc4d-49bf-9ae5-d43b14ba9367&pd_rd_w=VlgDx&pd_rd_wg=uYZm3&pf_rd_p=ed1e2146-ecfe-435e-b3b5-d79fa072fd58&pf_rd_r=24JJ3ZHF75X45NAYD0MP&psc=1&refRID=24JJ3ZHF75X45NAYD0MP

My sister's van developed a bad miss with a misfire trouble code.  The garage charged her $515 to replace the #5 coil and plugs.  Dodge Journey. 
There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

Wreck It Ralph

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Re: My Misc Fiero issues
« Reply #597 on: January 01, 2021, 05:03:39 pm »
That’s the one I have.  Probably a few more floating around the tool box too.
1988 Fiero Base 4cyl 5spd.
1986 Fiero GT ... Parting out. Let me know if you need something.

The Art Doctor

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Re: My Misc Fiero issues
« Reply #598 on: January 01, 2021, 10:21:27 pm »
I just use a timing light.  Clip it to each wire in turn to find the one that does not make it flash.

Wreck It Ralph

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Re: My Misc Fiero issues
« Reply #599 on: January 01, 2021, 10:32:23 pm »
When I was a full time auto tech it was great in the pocket. I would check every car no matter what I was doing. Plus I can run it along the wire looking for a break. Sold a lot of tuneups that way.
1988 Fiero Base 4cyl 5spd.
1986 Fiero GT ... Parting out. Let me know if you need something.