My car sounds funny---any mechanics in here?

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AntMan530

Senior member
Dec 22, 2000
769
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The file is about 13mb. I wish I knew how to shrink this file.

Anyways, here it is. My engine rocks back and forth when it does this. My plugs are new and gapped properly. I have a new set of wires too and theyre attached appropiately.


http://savefile.com/filehost/projects.php?pid=350524

Is this the cat? Im having a hard time filtering out the different possiblities.

 
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CycloWizard

Lifer
Sep 10, 2001
12,348
1
81
Well, I have an old Integra and there's about a 300% chance I've had the same problem. Unfortuantely, I can't get the download to work. Can't connect to server.
 
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AntMan530

Senior member
Dec 22, 2000
769
0
0
dont right click...

click on it..and itll go the savefile site and you download it there...sorry..i need to find out how to compress it..
 
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CycloWizard

Lifer
Sep 10, 2001
12,348
1
81
Originally posted by: AntMan530
dont right click...

click on it..and itll go the savefile site and you download it there...sorry..i need to find out how to compress it..
Click to expand...
Tried that, clicked through all the links, then it said 'can't connect to server'.

Did you change the plugs yourself? If so, did you look at the old ones? Last year my car was shaking like crazy due to a warped cylinder head. The year before that, it shook like crazy, but it was something else. Hard to tell wtihout the video. :(
 
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AntMan530

Senior member
Dec 22, 2000
769
0
0
Originally posted by: AntMan530
The file is about 13mb. I wish I knew how to shrink this file.

Anyways, here it is. My engine rocks back and forth when it does this. My plugs are new and gapped properly. I have a new set of wires too and theyre attached appropiately.


http://savefile.com/filehost/projects.php?pid=350524

Is this the cat? Im having a hard time filtering out the different possiblities.
Click to expand...



Its either a backfire or misfire. I dont know what it is though. If its a backfire, it might be the cat, misfire might be my plugs or wires. Could be something else. Car are cool until they start acting up :(
 
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blodhi74

Diamond Member
Mar 28, 2003
4,566
1
0
by the sound of it, its seems like one of the combustion chambers is firing .... again I'm not an expert
 
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Summitdrinker

Golden Member
May 10, 2004
1,193
0
0
could be lots a things,

it doesn't appear to be steady enough of a pop to be a burned exhaust valve

could be a bad emesion sensor of some type


could be a bad coil, bad crank sensor..don't know, what car is it, year? what engine is it?

just becuase you have new plugs and wires doesn't mean there good, did it do it before changing the plugs and wires
 
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AntMan530

Senior member
Dec 22, 2000
769
0
0
Originally posted by: Summitdrinker
could be lots a things,

it doesn't appear to be steady enough of a pop to be a burned exhaust valve

could be a bad emesion sensor of some type

does the engine shake when idling or does it run smooth?
Click to expand...

its smooth...just when it pops it does a little rock.
 
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AntMan530

Senior member
Dec 22, 2000
769
0
0
yeah...once its hot..it does this...when its cold..it doesnt do anything like this...


it even bogs a little...actually it does bog...after log drive....once i get back into town...thats when i start experiencing the syptoms...
 
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Summitdrinker

Golden Member
May 10, 2004
1,193
0
0
well things change when it's hot under the hood

fuel system get stressed, ignition/electrical system really get stressed, could be a bad coil pack. or a spark plug wire or sensor. I would say it's in the electical/ignition system

bad distrubator cap?
 
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Summitdrinker

Golden Member
May 10, 2004
1,193
0
0
when was the last time you changed the fuel filter?

what car is it, brand , year engine, miles on it etc

is the engine running to hot? check the cooling system

a hot spot in the combustion chamber caused by running to lean?
 
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AntMan530

Senior member
Dec 22, 2000
769
0
0
fuel fileter was changed no more than 8k ago

cap and rotor were changed probably 10k ago

miles on car is about 175k

94 ls integra- non vtec

timing belt and water pump about 10k....

we did a lot to it when my friend gave me the car.

i just changed the o2 sensor probably 1k ago. i didnt reset the ecu though, but i dont know if you have to. Ill do that today.

 
JasonSix78

JasonSix78

Platinum Member
Mar 5, 2005
2,020
1
0
Go back and double-check and make sure all of the spark plugs are seated well and that you have all of your sparkplug wires "snapped" down on the plugs. I had a spark plug back out a little due to me not tightening it enough. This caused a loss of compression on one of the cylinders and it bogged pretty bad. I'm not sure if this is a good way of diagnosing, but when you experience the problem at night, try looking under the car and see if the cat is glowing. I haven't ever had a cat clog on me, but I've heard a few people say that they glow when they are.

-Jason
 
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TechnoKid

Diamond Member
Feb 12, 2001
5,575
0
0
You may have a leaking fuel injector, or a malfunctioning fuel pressure regulator, something fuel related possibly as someone else has said.....although I'd need to see the video to make a better guesstimate; it won't d/l for me for some reason.
 
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cavemanmoron

Lifer
Mar 13, 2001
13,664
28
91
Originally posted by: CycloWizard
Well, I have an old Integra and there's about a 300% chance I've had the same problem. Unfortuantely, I can't get the download to work. Can't connect to server.
Click to expand...

 
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