Engine Runs Rough: Could "Computer" be Bad?
Senior User
Joined: Jul 2007
Posts: 173
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From: Honolulu HI.
P0306 could be that wire though...
The rest of them are a mystery...
But I still think you need to replace those friggin vacuum boots first! In fact, I would bet ten to one on it...
If new wires don't fix that P0306 code, you might be due for a new coil pack too.
Mine is the same engine, but I have 200K on it now. I went through all these things at about the same mileage that you're at Tyrone...
Before I found those vacuum lines, I went round and round.... cleaning sensors, replacing the IAC, etc etc... and it was all a big frikkin waste of time and money! 20 bucks worth of little rubber pieces fixed it all right up.
The rest of them are a mystery...
But I still think you need to replace those friggin vacuum boots first! In fact, I would bet ten to one on it...
If new wires don't fix that P0306 code, you might be due for a new coil pack too.
Mine is the same engine, but I have 200K on it now. I went through all these things at about the same mileage that you're at Tyrone...
Before I found those vacuum lines, I went round and round.... cleaning sensors, replacing the IAC, etc etc... and it was all a big frikkin waste of time and money! 20 bucks worth of little rubber pieces fixed it all right up.
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Junior User
Joined: Nov 2016
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I've been researching the codes and reading around the forum and what I've learned so far is that these codes all seem to be part of the same "class" which involves some kind of leak on the intake side, i.e. vacuum. Anywhere from a crack boot on a vacuum line to a cracked intake manifold (worst case scenario). It also looks like Bluegrass 7 is going to be the expert because he's been all over these types of threads for years, and he's the guy that's telling people to NOT replace O2 sensors, etc... instead look for leaks in houses, gaskets, etc...
So it looks like a smoke test is going to have to happen. Hey I just had a crazy idea. It's near New Years in Texas and they are selling fireworks up the street (seasonal). I wonder if I could make a smoke test using a smoke bomb, and paint can and a rubber hose. It would be colored smoke and easy to see.
So it looks like a smoke test is going to have to happen. Hey I just had a crazy idea. It's near New Years in Texas and they are selling fireworks up the street (seasonal). I wonder if I could make a smoke test using a smoke bomb, and paint can and a rubber hose. It would be colored smoke and easy to see.
Senior User
Joined: Jul 2007
Posts: 173
Likes: 0
From: Honolulu HI.
I've been researching the codes and reading around the forum and what I've learned so far is that these codes all seem to be part of the same "class" which involves some kind of leak on the intake side, i.e. vacuum. Anywhere from a crack boot on a vacuum line to a cracked intake manifold (worst case scenario). It also looks like Bluegrass 7 is going to be the expert because he's been all over these types of threads for years, and he's the guy that's telling people to NOT replace O2 sensors, etc... instead look for leaks in houses, gaskets, etc...
So it looks like a smoke test is going to have to happen. Hey I just had a crazy idea. It's near New Years in Texas and they are selling fireworks up the street (seasonal). I wonder if I could make a smoke test using a smoke bomb, and paint can and a rubber hose. It would be colored smoke and easy to see.
So it looks like a smoke test is going to have to happen. Hey I just had a crazy idea. It's near New Years in Texas and they are selling fireworks up the street (seasonal). I wonder if I could make a smoke test using a smoke bomb, and paint can and a rubber hose. It would be colored smoke and easy to see.
And then replace those little rubber boots
Senior User
Joined: Jul 2007
Posts: 173
Likes: 0
From: Honolulu HI.
The ethanol in gas these days, is what makes the rubber parts dry out.
If those little rubber boots ain't leaking yet, they will be soon..
If the problem persists after that, at least you can scratch them of the list of suspects... and they're SO cheap...
If those little rubber boots ain't leaking yet, they will be soon..
If the problem persists after that, at least you can scratch them of the list of suspects... and they're SO cheap...
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