crx gas smell problem

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Old Nov 10, 2011 | 03:36 AM
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Default crx gas smell problem

i have a b18b1 im 90 si crx, when i take the oil cap off it smells like gas in the head, what could this be from, is this a reason why my car cranks but doesn start?
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Old Nov 10, 2011 | 03:51 AM
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Default Re: crx gas smell problem

That's because you are washing the cylinders with fuel... You have a spark problem or an injector/s stuck open. I would start with spark and go from there...
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Old Nov 10, 2011 | 03:58 AM
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Default Re: crx gas smell problem

what do you mean spark problem? as in when im cranking the cylinder is just getting filled with fuel? and would i have to changed the injector or just the harness clip to the injectors
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Old Nov 10, 2011 | 04:01 AM
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Default Re: crx gas smell problem

There isn't enough spark to burn the fuel, so yes, you're just pumping fuel into the cylinder.

Pull your plugs and see what they look like to start with.

Might be a good idea to check the amount of spark at the plug end of each plug wire too.

Depending on the results of that you may have corrosion on the dizzy cap or rotor, among other things.
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Old Nov 10, 2011 | 04:11 AM
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Default Re: crx gas smell problem

the spark plugs are pretty much new but im gonna check anyways, the injector i have on there are 440 dsm injectors but they worked great on my other ls, would this have an affect also?
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Old Nov 10, 2011 | 05:17 AM
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Default Re: crx gas smell problem

is it a stock ls? those are huge injectors for a stock ls, if it is stock i suggest you swap your injectors to the ls ones and see if you have the same problem
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Old Nov 10, 2011 | 05:42 AM
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Default Re: crx gas smell problem

yes it is a stock ls, im gonna swap the injectors out today, anyone know any easy way to unflood the combustion chamber if its flooded?
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Old Nov 10, 2011 | 06:24 AM
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Default Re: crx gas smell problem

Has the ECU been tuned for the 440 injectors?

Pull the plugs out for a while and let them dry out.

I would suspect that the stock injectors will solve the problem.
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Old Nov 10, 2011 | 06:50 AM
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Default Re: crx gas smell problem

no tune at all its the stock crx si ecu
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Old Nov 10, 2011 | 09:12 AM
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Default Re: crx gas smell problem

Ugh... you can NOT use injectors much bigger than stock without having the ECU chipped for then

Your ECU still pulses the injectors like you have the 240cc injectors. So in other works you are almost doubling the fuel at all parts of the map. You better hope you didn't wash the cylinders and mess things up.

Also, on a bone stock LS - there is absolutely NO reason to use anything other than stock. The head flows like crap and there is no reason to change a thing. If you had some major work done or forced induction then it would be justifiable.
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