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Running like s**t and a strong odor
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Juggalo
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PostPosted: Sat Jan 02, 2010 3:45 pm    Post subject: Snif ! Running like s**t and a strong odor Reply with quote

So, I believe this issue started a few weeks ago. I would be cruising down the freeway and would get a little "chug", then all was fine. Last night though, I pulled off the freeway and stopped at a light. I had to shift to neutral and give it some gas just to keep it running. Arrived at the store and shut it off. It sat for about 30 minutes, then I started it up and it drove great. Went about 30 miles, stopped at a few more stores and then home, all without any probs.

I went to start it this morning and it's chugging, it will eventually kill and it reeks of something (I'm not sure if it's gas or what)... The engine light just popped on as well. Trouble is I have nothing like an autozone around here to scan it for free...

From what I've been reading, it seems it's a good chance it's the cat. Just wanted to get some other thoughts about it. If it is the cat, would it be ok to drive if it's not acting up? Maybe once it gets warmer...

Thanks in advance,

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nightryder
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PostPosted: Sat Jan 02, 2010 5:16 pm    Post subject:   Reply with quote

My guess is EVAP leak of somesort

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sh8dybizness
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PostPosted: Sat Jan 02, 2010 7:39 pm    Post subject:   Reply with quote

Maybe a bad fuel pressure regulator.

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Juggalo
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PostPosted: Mon Jan 11, 2010 10:47 pm    Post subject:   Reply with quote

Mechanic said it was something to do with the coil pack, cylinder 6 wasn't firing. Paid for that and drove it home, just fine. Now it's still hesitating at cruising speed... When I accelerate, it's fine. It only seems to happen while cruising. Doesn't matter what speed, 60, 75, 3rd gear, OD... Once I cruise for awhile, I get little hesitations every now and then.

Spark Plugs? Injectors need to be cleaned? Anyone else have any ideas? I'll have the fuel pressure checked.

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PostPosted: Mon Jan 11, 2010 11:38 pm    Post subject:   Reply with quote

Did your mechanic only replace one of the coil packs? if so, replace the other two and see if that helps.

Atleast check the others for any fine cracks.. It is suggested that you replace the whole set at the same time either way tho..

Is the car well maintained? when was the fuel filter last replaced?
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PostPosted: Mon Jan 11, 2010 11:52 pm    Post subject:   Reply with quote

Parts charge was over $200 so he better have done all 3. I have never changed the fuel filter and have had it for 3+ years and have put on over 70k.

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PostPosted: Tue Jan 12, 2010 2:04 am    Post subject:   Reply with quote

Have you done any maintenance to it besides changing oil and the coil packs? Maybe it's time for a full tune up!

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PostPosted: Tue Jan 12, 2010 2:21 am    Post subject:   Reply with quote

Have you changed the spark plugs and wires recently? these cars doesn't like non Ac delco wires and plugs, also could be a clogged fuel injector or throttle body.
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PostPosted: Tue Jan 12, 2010 10:14 am    Post subject:   Reply with quote

Only one coil pack was replaced, along with the ignition module. I think my next step is to dump a can of injector cleaner in the tank. Then have the fuel pressure tested. After that, the plugs and wires.

As far as maintenence, I've done oil changes, brake fluid flushed, tranny fluid and coolant flushed, K&N Air Filter.

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PostPosted: Tue Jan 12, 2010 11:04 am    Post subject:   Reply with quote

You really should look at plugs and wires. And if you're still getting a CEL light, have the mechanic scan it and give you the actual code. Post it on here and we'll be able to help you further.

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PostPosted: Tue Jan 12, 2010 1:15 pm    Post subject:   Reply with quote

Change the air and fuel filters. Smile

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PostPosted: Tue Jan 12, 2010 1:46 pm    Post subject:   Reply with quote

I forgot to add that I did change the Air Filter. I dropped in one of those liftetime K&N filters. From what I read on those, the oil can dirty up the MAF so I should probably pick up some MAF cleaner. Smile

No check engine light.

***EDIT*** UPDATE***

Since it apparently won't let me post again...

Quote:
You have attempted to add a reply to a thread when your last post is not yet 48 hours old and has not received a reply. Please edit your last post or wait until 48 hours has passed. Please remember that we only allow one non informative bump per thread that must occur after 48 hours of the last reply on the thread, regardless of who that reply was created by.


Update: The light popped on on the way to work this morning so I stopped into a Valvoline Instant Oil change shop and had them scan it. P0306, Cylinder 6 Misfire again...

So, I don't think it's the parts he replaced... Although he is going to check them somehow. Wouldn't it revert back to the symptoms it was showing in the first place? Cylinder 6 wasn't firing AT ALL. Now it's only intermittently.

He quoted me $240 for 6 iridium plugs and wires. I called another shop (the transmission shop I used to rebuild my trans) and they want $455! Does $240 seem reasonable?

In the meantime, I'm going to swap wires and see if the code follows the wire or stays on Cylinder 6. For the simple fact that I don't have the cash to do the plugs and wires right away, at least I can get by for a little while by replacing that single wire or plug. Embarassed

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PostPosted: Tue Mar 23, 2010 2:52 pm    Post subject:   Reply with quote

I'm hoping someone can chime in and tell me what they think.

I've replaced the plug in Cylinder 6 and all of the wires were replaced with ACDelco, bought from the dealer to the tune of $95. I replaced these even though he tested the spark and it was strong, to no avail. Oh well I wanted to do them anyway.

It's still acting up, intermittently. When it does, I still have a strong smell of gas. The last two times I've limped it to the shop, it was running fine by the time I got there, go figure.

I brought it there last night again, left it sit overnight and of course this morning, it's running like a watch. Had the #6 Cylilnder misfire code again though.

I've treated the fuel tank twice now with Seafoam. First time was half a can, second time was a full can. He "ohmed out" the newly replaced coil pack and that's also fine.

My first thought was injector but I tapped on it when it was acting up yesterday morning and nothing happened. My next thought was that it's somehow flooding out but wouldn't that have to be a sticky valve??

Thoughts? I'm getting frustrated... Evil or Very Mad

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PostPosted: Tue Mar 23, 2010 3:13 pm    Post subject:   Reply with quote

#6 Injector O-ring possibly.

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PostPosted: Sun May 02, 2010 1:28 am    Post subject:   Reply with quote

Any updates on this? mine is throwing the same code
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