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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / November 2009'04 Suzuki Forenza interior fumes
Hey All, I have a 2004 Suzuki Forenza, 5spd with ~45k miles. Over the last two weeks I have noticed exhaust fumes in the passenger compartment during this scenario: -Blower is on -Car is stopped for more than 3-5 seconds -Only when car is fully warmed up -Hot/Cold temperature selector doesn't matter -recirc solves the problem completely -What I had done: -removed leaves and debris from intake between hood and windshield -checked exhaust manifold for cracks -checked exhaust pipe connections to cat for any leaks and/or soot -Looked (the best I could) for vacuum lines or something that might have become disconnected -Checked PCV Does anyone have any other idea what could cause this all of a sudden and only when the vehicle is completely warmed up? This car does do most trips between 1 and 3 miles, stop and go in the Denver area. On another note, I had 10 gals of fuel that was 1 year old with a double dose of stabil in it. I change it out annually and usually put it in my truck. Truck was full so I put it in this car. I can't remember if the fumes started after that or not but it seems it might have been around the same time. Could that cause the problem? Car is down to 1/2 tank and I figure when it gets to 1/4, I'll put in fresh fuel. TIA, Derek > Hey All, > [quoted text clipped - 29 lines] > > Derek I dont think the Stabil has anything whatsoever to do with your problem. Those types of formulations are antioxidants, and are used in relatively small concentrations. They burn relatively cleanly. The situation you describe sounds like you have a leak somewhere externally, and that when you stop the fumes get drawn into the car. If it is really exhaust fumes you smell, there has to be a leak in the exhaust system somewhere EVEN toward the back of the exhaust pipe as it tries to exit from under the car. My first advice is to get the car to a muffler shop or up on a life and look much closer. Might it be that you are dripping a little bit of oil onto the exhaust manifold or exhaust pipe from, say, a seeping valve cover gasket? That creates noxious smells, but is different from an exhaust leak. Let us know what you find, but be sure and dont let this drop. Fumes like this can kill you. > > Hey All, > [quoted text clipped - 54 lines] > > - Show quoted text - Thanks for the info. It's strange since I can feel the air getting sucked in the intake in front of the dirver between windshield and hood but there's no smell there. I guess this weekend, I'll get it up in the air and take a look at the rest of the exhaust. So far I only looked at what I could see laying on the gorund. The oil pan is slightly damp but there's no drips or any real oil leak and I know what oil on the manifold smells like. This smells different. Thanks for the help. "genius" <genius@socal.rr.com> wrote in message news:ee599c8e-5f06-42e2-910b- Thanks for the info. It's strange since I can feel the air getting sucked in the intake in front of the dirver between windshield and hood but there's no smell there. I guess this weekend, I'll get it up in the air and take a look at the rest of the exhaust. So far I only looked at what I could see laying on the gorund. The oil pan is slightly damp but there's no drips or any real oil leak and I know what oil on the manifold smells like. This smells different. Thanks for the help. ************Air sucked in at the cowling would normally dilute any exhaust fumes on the exterior of the car so that they might not be even noticeable. I have noted many times that even small leaks, sometimes as far back as the resonator muffler, or where an exhaust tip has rotted off, can cause fumes to come inside the car. Agreed, oil on a manifold or exhaust pipe has a smell which is easily distinguished by most people from exhaust fumes. Good luck and let us know what you find. |
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