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Old 04-19-2014, 02:36 PM   #1
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NEED HELP PLZ

Hey guys my car is shaking violently when at idle and idling rough. I can press the gas and make it above 1k rpm and it will stop shaking. It's skipping horribly, and you can hear it in the exhaust, the exhaust sounds completely different. Seems to be lagging bad when accelerating. Here is a video of the problem. I was in 5th gear with the gas all the way down and it would not hardly accelerate. Brand new spark plugs. Thinking it is the fuel pump.
Driving bad - YouTube
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Old 04-19-2014, 02:44 PM   #2
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watched the whole thing and not once did you show the gas gauge lol...
check engine and abs lights? go to autozone and use there scanner see
what codes its throwing.
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Old 04-19-2014, 02:48 PM   #3
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At the end I accelerated and set the camera where u can see Rpms and speed lol. And haven't been there yet. I have checked for codes in the past when it did this and no codes were thrown related to this problem. Only my 02 sensor. Also the abs light it there for no apperent reason. While I'm going down the road my traction light will come on and when that happens the abs light and traction light turn off at the same time. I never lose traction or have problems with breaks
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Old 04-19-2014, 02:50 PM   #4
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Ok. I've recovered from the motion sickness, after watching that video, enough to answer...

Like FA said, check that code. It's trying to tell you something...
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Old 04-19-2014, 02:54 PM   #5
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Codes show nothin. Only 02 sensor and something else about something unrelated to he problem. Can't remember what it was
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Old 04-19-2014, 02:56 PM   #6
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At the end I accelerated and set the camera where u can see Rpms and speed lol. And haven't been there yet. I have checked for codes in the past when it did this and no codes were thrown related to this problem. Only my 02 sensor. Also the abs light it there for no apperent reason. While I'm going down the road my traction light will come on and when that happens the abs light and traction light turn off at the same time. I never lose traction or have problems with breaks
Is the cel on all of the time?
Does this occur while the abs is freaking out?

You're going to have to check the codes again regardless...
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Old 04-19-2014, 02:56 PM   #7
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what are the codes?
and how can you know there unrelated to the problem when your not sure of the problem lol id look into the codes more
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Old 04-19-2014, 02:56 PM   #8
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Cel is on all the time bc I have no cats and haven't tuned it. Abs light is just wenever it feels like turning on or off
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Old 04-19-2014, 02:59 PM   #9
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Codes show nothin. Only 02 sensor and something else about something unrelated to he problem. Can't remember what it was
Well, then get a fuel pressure test gauge and check the fuel pressure.
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Old 04-19-2014, 03:01 PM   #10
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yah or get some gas lol
have u cleaned or changed your air filter lately? maybe your maf got dirty
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Old 04-19-2014, 03:02 PM   #11
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Cel is on all the time bc I have no cats and haven't tuned it. Abs light is just wenever it feels like turning on or off
Since it is on all of the time, the smart thing to do is check to see if any new codes are there.
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Old 04-19-2014, 03:15 PM   #12
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P1605 Keep Alive Memory Test Failure is the other code. I've had this problem occur before and when checked for codes these were the only ones. I will check again when I get off work. But for now do u guys think it could be the fuel pump, giving me these symptoms. The symptons are worse when it rains
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Old 04-19-2014, 03:25 PM   #13
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hmm my old gf had a sunfire that would shake and stuff when raining. the o2 sensor was getting wet or something?...
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Old 04-19-2014, 03:30 PM   #14
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Worse when it rains?
You may have an electrical problem. Check all of the underhood electrical connections. Shake the wiring around while the engine is running and see if anything changes with the idle.
Have you ever replaced your COP boots and springs?

Again, if you suspect the fuel pump, do a pressure test first.
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Old 04-19-2014, 04:01 PM   #15
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vacumm leak?
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Old 04-19-2014, 04:04 PM   #16
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Worse when it rains?

You may have an electrical problem. Check all of the underhood electrical connections. Shake the wiring around while the engine is running and see if anything changes with the idle.

Have you ever replaced your COP boots and springs?



Again, if you suspect the fuel pump, do a pressure test first.

Don't think I've ever changed the cop boots or springs. Ugh this is driving me crAzy lol
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Old 04-19-2014, 04:18 PM   #17
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I went through an extremely bad puddle a while back. So bad it actually flooded the inside of the car( my town flooded on my way home from school I was forced to go through it). Do u think that could have damaged the 02 sensor and causes it to run like **** when it rains? Water could have damaged the wiring or somethig?
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Old 04-19-2014, 04:45 PM   #18
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Yes it could have damaged something.
I'd begin by checking EVERYTHING that was submerged.

How deep was the "puddle" DRM?
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Old 04-19-2014, 04:49 PM   #19
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Yes it could have damaged something.

I'd begin by checking EVERYTHING that was submerged.



How deep was the "puddle" DRM?

Lol bro it may was well been a damn pool. This was about 2 years ago. The symptoms began about a year ago
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Old 04-19-2014, 05:01 PM   #20
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motor mounts?... drive shaft not balanced?. wheels not balanced. does the car seem to drive well despite the shaking
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Old 04-19-2014, 05:07 PM   #21
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could be a wheel baring?... can u tell where the shaking is coming from?.. check all your tires for bulges and if there not staggard.. could try doing a tire rotation.. at the same time check you wheel baring's ... look at your drive shaft, see if it has excessive play in it, or dents.. that could cause the car to shake. .. take one tire off at a time, and look around see if anything is worn or loose or...
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Old 04-19-2014, 05:22 PM   #22
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could be a wheel baring?... can u tell where the shaking is coming from?.. check all your tires for bulges and if there not staggard.. could try doing a tire rotation.. at the same time check you wheel baring's ... look at your drive shaft, see if it has excessive play in it, or dents.. that could cause the car to shake. .. take one tire off at a time, and look around see if anything is worn or loose or...

Couldn't be wheel bearings cauese u can hear how different the exhaust sounds when revving while I'm just sitting there
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Old 04-19-2014, 05:30 PM   #23
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Does the shifter handle shake when the engine is idling (and shaking) when stopped?
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Old 04-19-2014, 05:35 PM   #24
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Does the shifter handle shake when the engine is idling (and shaking) when stopped?

Yes but not as violent. Whole car shakes
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Old 04-19-2014, 05:46 PM   #25
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Ok. It is not the trans or wheel bearings. You say the cel code is only an O2 sensor. Ok. You probably have another code that is 'pending.' It is a problem, it just isn't occurring enough statistically to throw the code.

I'd get the codes read again and ask if there are any pending codes. There almost has to be! My bet is on at least one wet COP/plug causing a misfire.

If the problem is not diagnosable from the electronic system, you may have a mechanical issue. Lets get the codes read again and troubleshoot any pending problems.
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Old 04-19-2014, 05:52 PM   #26
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Ok. It is not the trans or wheel bearings. You say the cel code is only an O2 sensor. Ok. You probably have another code that is 'pending.' It is a problem, it just isn't occurring enough statistically to throw the code.

I'd get the codes read again and ask if there are any pending codes. There almost has to be! My bet is on at least one wet COP/plug causing a misfire.

If the problem is not diagnosable from the electronic system, you may have a mechanical issue. Lets get the codes read again and troubleshoot any pending problems.

So tell the guy I want to see the pending codes?
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Old 04-19-2014, 05:57 PM   #27
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Yes. Just ask if there are any pending codes.

Also, the guy commenting about vacuum leaks could be right. But, man, to shake like your engine shakes, you would have to have a bad vacuum leak. Can you hear any sucking sounds under the hood other than the normal air intake sound?


Note: I used to live in Fort Mill, SC. Loved it there!!
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Old 04-19-2014, 06:20 PM   #28
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Yes. Just ask if there are any pending codes.

Also, the guy commenting about vacuum leaks could be right. But, man, to shake like your engine shakes, you would have to have a bad vacuum leak. Can you hear any sucking sounds under the hood other than the normal air intake sound?


Note: I used to live in Fort Mill, SC. Loved it there!!

The air sounds normal. But when I stick my hand over the engine you can feel air blowing. Idk if that is normal or not. Or could be the pullies
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Old 04-19-2014, 06:28 PM   #29
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Is the radiator fan running? You should feel air moving over/around the engine if the fan is running.

A vacuum leak will be a sucking sound. You can run your hands along your tubing and possible feel the sucking at any leak point(s).
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Old 04-19-2014, 08:00 PM   #30
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The exhaust even has a poofing noise when idling
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Old 04-19-2014, 08:30 PM   #31
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What does that mean?
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Old 04-19-2014, 08:39 PM   #32
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Trying to diagnose something like this over internet is rough. If there is a popping sound out of the exhaust and really low power could just be a miss due to a multitude of things. Time to do your checks. Pull your plugs look at them which one looks different. What's fuel pressure and cylinder compression. If your not concerned with your o2 code then that's fine just make sure the code is for your sensors after your deleted cats and not out of the manifolds.
Down
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Old 04-19-2014, 08:43 PM   #33
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What does that mean?

Poofing* lol
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Old 04-19-2014, 08:45 PM   #34
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Thanks Man! Ima be doing all kinda of testing and stuff tomorrow lol
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Old 04-20-2014, 08:41 AM   #35
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I would check all the plugs that you put in make sure that they're properly gaped. Also check all your wires and make sure there's no cuts or tears. If everything looks good on there I would check your fuel filter. In the video it seems like it's hesitating when you give it gas it could also be a vacuum leak. Why you're looking at your plugs and wires look all under the hood at all the hoses and make sure none of them a ripped as well or if they're not connected for vacuum leak purposes. Does it only has it ain't like that in 5th gear
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