Defective Parts Listing - Page 7 - Ford Bronco Forum
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post #121 of 124 (permalink) Old 05-11-2019, 11:14 AM
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Dorman Harmonic Balancer for a 300-i6.

It delaminated after 1200 miles, as soon as I got to Moab.
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post #122 of 124 (permalink) Old 05-14-2019, 01:39 AM
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post #123 of 124 (permalink) Old 05-16-2019, 09:36 AM Thread Starter
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Yo,
Tmoore0028 wrote, "FYI I went through hell trying to figure out why my starter would get stuck on my 1987 Bronco. Replaced the starter, relay and the Solenoid and it was still happening. Lucky I have a pretty knowledgeable repair guy and after some trial and error, we determined the cheap relay for the Bronco is made in China and is significantly underrated. Would work for a while and would fuse after a couple of starts. Finally fixed the problem by ordering the relay from Ford. Hopefully saves you so headache."
@ https://www.fullsizebronco.com/forum...87-bronco.html

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post #124 of 124 (permalink) Old 05-16-2019, 09:47 AM Thread Starter
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Yo,
Background; DTC 334 EGR (EVP) closed valve voltage higher than expected; "

rla2005 had previously written on 15 MAY 2019 in response to a DTC 334 thread started by CZ Eddie on previoys day;"...We have seen the rod on the sensor too long from the manufacturer. This will cause the closed EGR signal (via the EVP) to be above specification then trigger code 334..".

CZ Eddie replied on 16 MAY 2019;
" I cannot believe it, but you were RIGHT.
That stupid freakin dorky tater tot silly EVP.
Both the old brand-new one AND the new-new one that I bought, were DEFECTIVE.
I shaved a tiny bit off the end of the pintle.
Put it on the EGR.
Ran the OBD1 test.
No codes.
Just 111 I loves you. 111 you are free. 111 **** the EGR. 111 time to move on now.
I put the spare old-new EVP on my bench grinder and took off as much metal as you can see in the pics below.
3rd pic is where it was before I touched it.
2nd pic is how much metal I removed from it.
Installed it.
And all is sooooo good.
I mean, pending drive test and all that.
But I'm going to buy the Motorcraft EVP anyways."

But Eddie wrote,. On 17 MAY 2019, "Oh yeah, and I installed the new Motorcraft EVP.
Oddly enough, it had a longer pintle.
So pintle length seems subjective to I guess, resistance. Maybe the non OEM units have the wrong resistance readings based on length."

@ https://www.fullsizebronco.com/forum...-expected.html

WTG RLA!

See my partially recovered Bronco web site. Thanks to Mr. Schwim!
Navy & DoD (retired) ... THANKS to ALL WHO SERVE!
Please Participate & VOTE in our Full-Size of the Month (F.O.T.M.) & Full-Size of the Year (F.O.T.Y.) Contests[/B] @ https://www.fullsizebronco.com/forum/27-f-o-t-m-voting/

Last edited by miesk5; 05-17-2019 at 04:03 PM. Reason: Added 17 MAY 2019 follow-uo by CZ Eddie
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