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Gas leak - 1997 cavaler

I can smell gas when the car is running - strongest on start up - replaced the fuel regulator as it looks like it had a leak but still smell it - canèt locate it - is it ok to put food colouring in to see where its coming from.

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No dont put food coloring in the gas. But that is a pretty good idea.if u dont have a leak. u just can smell gas.It is most likly the carbon canster.p.s is the check engine light on??

Posted on Mar 10, 2009

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I saw what you replaced, but, didn't see any testing? Use a gage and check proper fuel pressure. Also, see if pressure will hold for a bit, everything off. If the pressure drops like a rock, you have a fuel pressure leak. Check fuel pressure regulator vacuum line, if it has gas in it, the regulator is faulty. Could have leaking fuel injector or the fuel is leaking back through the fuel pump.
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