96 that bogs all the time - Mustang Evolution

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Old 10-15-2012, 02:11 AM   #1
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96 that bogs all the time

I have a 96 4.6 that I put new plugs in and now it bogs bad now any help?
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Old 10-15-2012, 04:49 AM   #2
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Welcome. What plugs did you put in? Were they gapped properly? Use dielectric grease?
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Old 10-15-2012, 05:45 AM   #3
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I would take a look at all your boots and make sure they aren't damaged on the inside where the boot connects to the plug. Check your coil pack connections and makes sure they are good as well. Here is some info on the coil packs.

Coil packs
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Old 10-15-2012, 07:07 AM   #4
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The gape was all tha same as the old ones and it was autocraft
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Old 10-15-2012, 07:22 AM   #5
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Have you tried unhooking your battery and resetting your car. You could of also crossed plug wires. Look up a wire diagram and make sure they are all in there right spots.
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Old 10-15-2012, 10:32 AM   #6
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I did the plugs one at a time so the wires r in the right spot and I just undid the battey ill see if that works
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Old 10-15-2012, 12:11 PM   #7
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Mine bogged a lot. Just because I had not cats. Before I bought a tuner I had to unplug the battery to reset it every day I drove it. But with the tuner I just turned the o2 sensors off
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Old 10-15-2012, 12:14 PM   #8
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No cats can make ur car bog?
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Old 10-15-2012, 12:35 PM   #9
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That's what my shop said. Tuner fixed the problem so I guess they do.
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Old 10-15-2012, 12:43 PM   #10
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I would think the ECU could try to adjust the tune to whatever signal is being sent, so the handheld tuner fakes the signal so the ECU thinks everything is hunky-dory. MIL ellimitaors do the same thing.
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Old 10-15-2012, 01:13 PM   #11
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It dident help at all nothing changed and I have cats on it
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Old 10-15-2012, 02:00 PM   #12
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Is it throwing any codes? If you don't have a tuner to check, visit an auto parts store. They can read codes.
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Old 10-15-2012, 04:47 PM   #13
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Ok I'll try that
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Old 10-15-2012, 05:14 PM   #14
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Did you bolt up your air intake good and tight. Last time I had to take off my intake off I forgot to tighten one of the straps and my car bogged all the time and later found that it was that.
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Old 10-15-2012, 07:31 PM   #15
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Yea it all tight that was the first thang I was thanking
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Old 10-15-2012, 08:58 PM   #16
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Try unpluging the alternator. It sounds dumb but the alternator sends out a frequence when it goes bad and this frequency will interfere with your cam positioning sensor which will cause a back fire. And just because its still charging the battery doesn't mean its not going bad. Keep us posted on how it goes!
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Old 10-15-2012, 09:04 PM   #17
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Ok I'll try that 2
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Old 10-15-2012, 11:06 PM   #18
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Does your car bog only when you drive ?
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Old 10-16-2012, 12:21 AM   #19
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Yea only when I'm driving and spits sum at a ideal
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Old 10-16-2012, 12:49 AM   #20
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Maybe a vacuum leak?
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Old 10-16-2012, 01:03 AM   #21
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Well I was at 120 with no bog just when I get on it it bogs as long as I further the gas it don't bog
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Old 10-16-2012, 07:50 AM   #22
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Have you checked fuel pressure? Check all connections on the fuel injector wires might have an issue there.
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Old 10-16-2012, 06:58 PM   #23
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Quote:
Originally Posted by New me
The gape was all tha same as the old ones and it was autocraft
First bad move. Never use the gap from worn or used plugs!

---------- Post added at 07:46 PM ---------- Previous post was at 07:45 PM ----------

Quote:
Originally Posted by New me
The gape was all tha same as the old ones and it was autocraft
Use spec for yor engine.

---------- Post added at 07:47 PM ---------- Previous post was at 07:46 PM ----------

Quote:
Originally Posted by Azure


I would take a look at all your boots and make sure they aren't damaged on the inside where the boot connects to the plug. Check your coil pack connections and makes sure they are good as well. Here is some info on the coil packs.

Coil packs
Car was running fine till he put new plugs in.

---------- Post added at 07:49 PM ---------- Previous post was at 07:47 PM ----------

Quote:
Originally Posted by jjsg09
Have you tried unhooking your battery and resetting your car. You could of also crossed plug wires. Look up a wire diagram and make sure they are all in there right spots.
Unhooking batt will only temp reset code faults, and your stereo, and clock if you have one

---------- Post added at 07:50 PM ---------- Previous post was at 07:49 PM ----------

Quote:
Originally Posted by 98GTCONV
Mine bogged a lot. Just because I had not cats. Before I bought a tuner I had to unplug the battery to reset it every day I drove it. But with the tuner I just turned the o2 sensors off
Possible.

---------- Post added at 07:51 PM ---------- Previous post was at 07:50 PM ----------

Quote:
Originally Posted by Azure
I would think the ECU could try to adjust the tune to whatever signal is being sent, so the handheld tuner fakes the signal so the ECU thinks everything is hunky-dory. MIL ellimitaors do the same thing.
Yo, AZ. Don't make sense. All the man did was change plugs. Did I miss something?

---------- Post added at 07:53 PM ---------- Previous post was at 07:51 PM ----------

Quote:
Originally Posted by jjsg09
Did you bolt up your air intake good and tight. Last time I had to take off my intake off I forgot to tighten one of the straps and my car bogged all the time and later found that it was that.
+1. Check the MAF elec connectors. Plug em in!

---------- Post added at 07:55 PM ---------- Previous post was at 07:53 PM ----------

Quote:
Originally Posted by Venomouz831
Maybe a vacuum leak?
Naw, unless he did more than change plugs.

---------- Post added at 07:58 PM ---------- Previous post was at 07:55 PM ----------

Quote:
Originally Posted by New me
Well I was at 120 with no bog just when I get on it it bogs as long as I further the gas it don't bog
Got it. So you bog, or the car vibrates? You have a genuine misfire. Possible injector failure. Ensure the connectors are firmly connected. Misfires occur not only with plugs but with injectors too.
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Old 10-16-2012, 06:58 PM   #24
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Quote:
Originally Posted by LAS97GT View Post
Car was running fine till he put new plugs in.
Pretty easy to get a bad boot connection when you change plugs.
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Old 10-16-2012, 06:59 PM   #25
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Quote:
Originally Posted by jjsg09
Have you checked fuel pressure? Check all connections on the fuel injector wires might have an issue there.
Fuel starvation; doubt it. He has stock fuel rails and injectors.
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Old 10-16-2012, 07:55 PM   #26
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Quote:
Originally Posted by LAS97GT

Fuel starvation; doubt it. He has stock fuel rails and injectors.
So whats your theory on whats wrong?
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Old 10-16-2012, 11:09 PM   #27
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So fare I tride all other then going 2 a auto store and seeing if the car has any cods
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Old 10-16-2012, 11:12 PM   #28
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What plugs u using? And any codes u pulled up yet....would help to see if its something sensor wise....to me imo feels like maf isnt reading what it should might need to be cleaned by the explanation that if u cruise its fine but when u get on it it bogs but could also be fuel pump too since it could be a. Fuel pump pressure low so its taking a crap when u punch it or b. Worst case scenario could be the ccrm not giving the signal to high speed for pump since ccrm give out pulse modulation to fuel pump.....had ot happen on a town car and the maf problem happened to a focus at my work. Hope u can resolve the problem and hope this helps on some insight
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Old 10-17-2012, 01:10 AM   #29
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I'm to using autocraft and ill get it on a tester on sun I work 6 days a week
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Old 10-17-2012, 06:51 AM   #30
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Quote:
Originally Posted by New me View Post
Well I was at 120 with no bog just when I get on it it bogs as long as I further the gas it don't bog
Nothing to do with your problem but I wouldn't run so hard til its warmed up. Gas guage full, I haven't seen that for awhile lol. Good luck
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Old 10-17-2012, 10:35 AM   #31
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What's what timp it runs at
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Old 10-17-2012, 01:44 PM   #32
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Just a thought. Please don't yell at me. But a buddy of mine changed plugs on his f150 with the 4.6 and he mixed up the package of electric grease and used silicone sealant on one bank of plugs on driver side and didn't realize it till after and it ran like crap. Had to pull plugs and clean them and the cops as well.
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Old 10-17-2012, 02:18 PM   #33
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Originally Posted by LAS97GT View Post
Fuel starvation; doubt it. He has stock fuel rails and injectors.
if the fuel pump is going bad and on its last legs itll still pump fuel but not hold enough pressure.
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Old 10-17-2012, 07:15 PM   #34
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Quote:
Originally Posted by taylor98gt

if the fuel pump is going bad and on its last legs itll still pump fuel but not hold enough pressure.
+1 thank you it doesn't hurt to check all aspects
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Old 10-21-2012, 05:27 PM   #35
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So far ran it through diagnostics on it it said it was the o2 sensor gonna change it and run the diagnostic on it again to see if anything else is wrong
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