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Old 07-19-2013, 06:29 AM
 
Location: South-Western New Jersey
469 posts, read 464,044 times
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I have a question about my 98 honda civic. When it turns over, it begins to shake/vibrate and the SRS light temporarily comes on. The light will go off and the shaking will start to disappear and can only be felt when idle. Anyone have a possible solution/identity to the problem? Shaking will be slight at stoplights, nothing really noticeable unless you're really looking for it.
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Old 07-19-2013, 06:51 AM
 
Location: Massachusetts
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SRS light? That's the Supplimental Restraint System...aka airbag.

I think it's actually normal for the airbag light on most cars to display for 3-5 seconds when the engine starts and then goes away.

As for the shaking, i would assume it's unrelated to the SRS light. That's just a coincidence. When was the last time you serviced the car? In other words, spark plugs, wired, air filter, etc. Shaking could be a number of things.
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Old 07-19-2013, 07:06 AM
 
Location: South-Western New Jersey
469 posts, read 464,044 times
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Quote:
Originally Posted by BostonMike7 View Post
SRS light? That's the Supplimental Restraint System...aka airbag.

I think it's actually normal for the airbag light on most cars to display for 3-5 seconds when the engine starts and then goes away.

As for the shaking, i would assume it's unrelated to the SRS light. That's just a coincidence. When was the last time you serviced the car? In other words, spark plugs, wired, air filter, etc. Shaking could be a number of things.
I do most of the service myself. Plugs were changed last year, air filter every oil change. Wiring though i'm not sure. & All other fluids i do myself.
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Old 07-19-2013, 07:28 AM
 
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Plugs and/or plug wires is where I would start. It's rare, but once in a great while you'll run across a bum plug - even one that only has a couple thousand miles on it.
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Old 07-19-2013, 07:32 AM
 
Location: South-Western New Jersey
469 posts, read 464,044 times
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Quote:
Originally Posted by GarageLogic View Post
Plugs and/or plug wires is where I would start. It's rare, but once in a great while you'll run across a bum plug - even one that only has a couple thousand miles on it.
Will check it out after i do some stuff around my house. After the bum plug i'm going to look at the vacuums and check the oil incase of Overflow or under flow. I tried using my Innova Pro code reader to see if anything would come up and only the Yellow LED light showed, thus hinting that theres a problem with the emissions. Odd part is, is that i just had some work done on the exhaust within the past 8 months (cut out a bad part of the pipe and put in a newer part of the piping. But will keep trouble shooting.
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Old 07-19-2013, 10:09 AM
 
Location: Massachusetts
9,640 posts, read 10,362,420 times
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Are the wires original? Check to see that one isn't arcing to the engine in some spot it's been rubbing on. If you take a water spray bottle and spray the wires, you may notice a reaction indicating you have some arcing going on.

What spark plugs did you replace them with? OEM or equivalent? Not some gimmick 5-prong plug?

I'm not sure what you mean by the yellow light displaying on the code reader. What brand reader is this? 98 civic's are OBD2, so if there is a code stored the check engine light would be on and you can pull a number.
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Old 07-19-2013, 10:39 AM
 
2,341 posts, read 9,323,231 times
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Quote:
Originally Posted by BostonMike7 View Post
Are the wires original? Check to see that one isn't arcing to the engine in some spot it's been rubbing on. If you take a water spray bottle and spray the wires, you may notice a reaction indicating you have some arcing going on.
To add to that...

More often than not, if there are plug wires arcing somewhere on these engines where the plugs are deep-down into the head, it's down right by the plug. Sometimes oil leaks down into the plug port, or coolant. Either way, if a spark is arcing across, you'll be able to see the marks on the wire cap.

And don't discount the possibility of a crack in the distributor cap and/or badly worn contact points, or rotor.
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Old 07-19-2013, 01:38 PM
 
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I tried using my Innova Pro code reader to see if anything would come up and only the Yellow LED light showed, thus hinting that theres a problem with the emissions.

What is that supposed to mean? If you have emissions issues, you have error codes.
I'll toss some at you
1. so is there error code or not?
2. EGR valve. Plain dirty. That gives shake to engine AND is part of emissions system
3. ISCV, idle speed control valve. Honda came up with a bright idea of that thing being coolant connected, and it simply gets plugged.
4. Dizzy, of course. Notorious leaks around O-rings, where dizzy is inserted into the head.
5. One of the cam sensors.
6. Knock sensor.
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Old 07-19-2013, 01:40 PM
 
Location: Massachusetts
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IIRC,

dirty EGR is a pretty common issue on those year civics
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Old 07-19-2013, 01:41 PM
 
10,550 posts, read 15,632,829 times
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Air leak. If it gets better as engine warms up, cracks and gaps in metal close. So leak disappears. Give short bursts of brake cleaner through the straw to different engine areas, when it bucks, you got it.
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