Timing Issues - 302
Thread Starter
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Senior User
Joined: Dec 2004
Posts: 148
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From: Marshall, TX
another quick question i keep meaning to post:
from the start of cranking the engine, i get a lot of little pops like a small backfire combustion -- usually coming from the passenger bank or it could be at the manifold collection pipe....right there in that general area. timing adjustments dont seem to make any difference. ideas?
hukd
from the start of cranking the engine, i get a lot of little pops like a small backfire combustion -- usually coming from the passenger bank or it could be at the manifold collection pipe....right there in that general area. timing adjustments dont seem to make any difference. ideas?
hukd
Posting Guru
Joined: Dec 2002
Posts: 1,428
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From: peoria, az
"samll backfire....possible exhaust leak.
Modulator...crawl underneith and look at the back-end of the main section of the trans. Right behind the pan. should see something with a vacuum line coming off it.
Might want to start a new thread for that back window...Less confusion and you may get a few new interested parties.(more input)
Modulator...crawl underneith and look at the back-end of the main section of the trans. Right behind the pan. should see something with a vacuum line coming off it.
Might want to start a new thread for that back window...Less confusion and you may get a few new interested parties.(more input)
Senior User
Joined: Feb 2004
Posts: 292
Likes: 0
From: Kansas City
Check your wire routing too, there is a sticker that warns about crossfire from cyls 1 and 3, and 5 and 8 I think, If the wire run to parallel it can spark the other cylinder at the wrong time.
Posting Guru
Joined: Dec 2002
Posts: 1,428
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From: peoria, az
If you run 2 wires side by side for any kind of distance, when you send a current thru one, sometimes it will induce a voltage in the other. (causing a cylinder to fire out of turn) Doesn't happen very often, but it can if you run your wires in a bundle.
More Turbo
Joined: Oct 2004
Posts: 621
Likes: 2
From: Marana, AZ
Hukd if you want some info on the tailgate window go to the "Big Broncos" forum and do a search within that forum. We just discussed that topic a couple of months ago. Or yo can just post a new thread there.
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More Turbo
Joined: Oct 2004
Posts: 621
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From: Marana, AZ
Originally Posted by hukdonquack
would installing some of those plug wire spacers to keep them all in line be beneficial & prevent that?
hukd
hukd
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Senior User
Joined: Dec 2004
Posts: 148
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From: Marshall, TX
so, its been a while since i updated anything.
truck was running fine other than that hard downshifting. never did get that oil pressure sensor installed; nor did i get around to checking the modulator for the tranny.
the biggest thing happened thursday morning on the way to work. i pulled into wal-mart to get a few things and some gas. when i pulled up to the pump, i noticed flames under the hood! after throwing 4 gallons of water I had in the back on the fire and scaring the crap outta everyone, i had to wait another two hours to get someone from work to bring the wrecker. later that day, i pulled the upper intake off and discovered that my fuel rail crossover tube (plastic.....ARRRRGGGHHH!!!!) had melted and when the gas hit the hot metal....BOOM! so, gotta replace 4 injectors, the harness, the IAC plug and the dist. cap, and the vac lines.
think i shoulda just shot this thing in the beginning.
hukd
truck was running fine other than that hard downshifting. never did get that oil pressure sensor installed; nor did i get around to checking the modulator for the tranny.
the biggest thing happened thursday morning on the way to work. i pulled into wal-mart to get a few things and some gas. when i pulled up to the pump, i noticed flames under the hood! after throwing 4 gallons of water I had in the back on the fire and scaring the crap outta everyone, i had to wait another two hours to get someone from work to bring the wrecker. later that day, i pulled the upper intake off and discovered that my fuel rail crossover tube (plastic.....ARRRRGGGHHH!!!!) had melted and when the gas hit the hot metal....BOOM! so, gotta replace 4 injectors, the harness, the IAC plug and the dist. cap, and the vac lines.
think i shoulda just shot this thing in the beginning.
hukd
Ya