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getting a few backfires... 

 

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 Post subject: getting a few backfires...
Posted: Sun Oct 22, 2006 3:00 pm 
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nothing to dramatic but now and again i just get a little bit of a backfire, and sometimes i get a distinctive smell of something like egg?

anybody have any idea what this could be due to?
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Posted: Sun Oct 22, 2006 3:48 pm 
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Running on lpg i assume? The backfires can be caused by things like plugs leads or distrubutor cap/rotor. But leaking lpg smells like bad eggs, so you may have something more serious going on?

 

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Posted: Sun Oct 22, 2006 3:53 pm 
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I don't know why but I hear about alot of LPG cars backfiring. I guy at tafe had the safe problem on his LPG VL, and it got worse untill it started blowing up his pod filter's.

 

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Posted: Sun Oct 22, 2006 4:31 pm 
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If it's on LPG then look at plugs, leads, air intake/vacuum leaks, mixture too lean, timing.
A number of things can cause it, best to be a bit more specific on fuel type and when it's back firing.
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Posted: Sun Oct 22, 2006 4:39 pm 
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LPG backfires extremely easy if soemthings not right.

 

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Posted: Sun Oct 22, 2006 7:53 pm 
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yeah, nah she's not lpg, just straight petrol. that makes me feel that the problems even worse now lol
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Posted: Sun Oct 22, 2006 7:54 pm 
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yeah, nah she's not lpg, just straight petrol. that makes me feel that the problems even worse now lol
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Posted: Sun Oct 22, 2006 7:56 pm 
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well the only other thing that could cause that smell is the catylytic converter, maybe its s**t itself and partially blocking your exhaust pipe causing some gasses to backfire.

 

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Posted: Sun Oct 22, 2006 9:16 pm 
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Bad egg smell is usualy caused by a stuffed cat. converter, because the car has been run on leaded petrol at some stage, for whatever reason.

Backfires on petrol are often caused by retarded timing, faulty ignition, and sometimes air leaks.

Check/replace your coil/coil pack, as I had a similar problem and it turned out to be the coil. Replaced it and it made a hell of a difference, like a new car!!
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Posted: Mon Oct 23, 2006 12:14 am 
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nice ill check the coil packs,

hmm i just got a new exhaust system, including a high flow cat and it didnt seem to make a difference to the backfires or egg smell.
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Posted: Mon Oct 23, 2006 11:14 am 
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Definately sounds like an electrical problem, is it misfiring at all?
As in running on 5 cylinders?
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Posted: Tue Oct 24, 2006 12:58 pm 
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um well one of the spark plugs are seized. however im not sure whether that makes the cylinder misfire?
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 Post subject: Re: getting a few backfires...
Posted: Tue Oct 24, 2006 4:55 pm 
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spidamonkey wrote:
nothing to dramatic but now and again i just get a little bit of a backfire, and sometimes i get a distinctive smell of something like egg?

anybody have any idea what this could be due to?


You say it smells like eggs ..Is it a "fowl" smell ?
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Posted: Tue Oct 24, 2006 5:03 pm 
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spidamonkey wrote:
um well one of the spark plugs are seized. however im not sure whether that makes the cylinder misfire?
when was the last time the sparkplugs were change?

looks like that particular plug is stuffed completely.
the only way it would seized if there is buildup of hard carbon causing the plug to fused with the combustion chamber wall.

 

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Posted: Tue Oct 24, 2006 5:53 pm 
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i dont know when they were last changed... guess ill have to get the good old wd40 out and try to coax it out? is that possible?
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