I need your help
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Honda-Tech Member
Joined: Mar 2008
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From: Hanover, Maryland, United States
So my car runs horrible, a few symptoms include POURING white smoke, smells EXTREMELY rich and HORRIBLE throttle response. I would have thought its a blown head gasket but my compression test gave me 200 across the board. Is it possible to have a blown head gasket but still have this compression? I can even unplug my injectors and the car will run for a few seconds there is so much fuel in the cylinders.I know white smoke=coolant,blue=oil,black=fuel but if its not that what else could it be? Thanks for your help
Last edited by 93coupe1330; Nov 1, 2009 at 03:50 PM. Reason: another question
try doing a leakdown test with the radiator cap off--check for bubbling in the cooling system when cylinders are "aired up".
when you did a compression test, did all the cylinders reach 200psi at around the same time, or were some climbing slower than others?
when you did a compression test, did all the cylinders reach 200psi at around the same time, or were some climbing slower than others?
How much coolant are you losing? If you aren't losing any then the white smoke may actually be oil. Oil smoke is usually a really light blue so in the right lighting conditions it may look white. You can't tell if its running rich by smell. A rich mixture will have high percentages of carbon monoxide, which has no odor so you can't smell it. It will also have high HC emissions which are basically just raw fuel coming out the tailpipe. You can smell this stuff, but a lean mixture will also have high HC, usually more so than a rich mixture so it could be either.
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