Missing in low revs?

S

SyntaxLegend

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My coupe sometimes misses in lower revs. Not massively, just like a blip sometimes. I changed my spark plugs and fuel filter 20,000k ago. Think it could be the coil packs or leads? Is this the next likely cause? Also, when its just idling it sounds like it skips a beat and it's fine. It also feels like the car 'bounces' when it idles.
 
Now I'm no expert, not even an Expert Internet Mechanic, but, you might have some luck adjusting the Idle Speed controller to adjust the revs a little higher whilst on idle..
 
Sounds like an ignition issue. My sisters car would skip a beat when placed at low revs under high load and it was a faulty coil/loose spark plug. I myself have had a coil short out/not contact the plug which makes a car sound like its got cams or a boxer engine which does rock te car at idle. Could also be isc as skip mentioned
 
It idles around 700-800rpm. That really sounds about normal so I don't think it's that. I could try and reconnect the coils if they aren't close enough. What's the way to test the coil packs? Isn't it sonething to do with a voltmeter.
 
I've got the same issue at idle, Didn't notice it until i had exhaust done and could hear it. doesn't really bother me. runs fine.
 
I have a similar issue, when im accelerating say in 2nd gear at low revs the car will kinda hesitate or not pull throughout the entire acceleration period. My sisters car had the same issue, i changed her spark plugs, problem remained, changed the leads, problem solved. So if you got the same issue as me, change the coil packs and leads.
Dirty fuel injectors is another possibility, i know mine are definitely dirty judging by the contamination of my fuel filter when i changed it, so gonna get them cleaned see what happens.
 
Who knows, the seller has a 100% rating, and they give you "lifetime warranty", worth a try since there cheap end up being $56 dollars for two plus postage, not too bad.
Besides genuine second hand coil packs are usually above $100 each, who's to say they wont suffer the same issue soon?
 
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