No exhaust leak determined by muffler shop
Since you do have exhaust smell in your cabin,I suggest to check the rubber sealer at the rear boot door. As the exhaust end is at the rear boot door side, it is the only place which allow the smell to get in the cabin,since the rubber sealer is either broken,cracked or softened and do not seal well the boot.
SOURCE: I have a strong exhaust smell- a put-put noise
most likely (since it is not the muffler) is the donut where the ezhaust pipe hooks onto the exaust manifold....or the manifold cracked or needing a new gasket
SOURCE: exhaust smell in cabin of 2001 dodge ram
Is it exhaust or is it a fuel smell? Exhaust, i would say you almost have to have a leak, check the manifolds and the head pipe really well. Check to see if ti even has an EGR valve at the rear of the intake to the top of the intake manifold, it depends on the emissions label it has under the hood, federal or california. If it is more of a fuel smell check to be sure all of the charcole canister lines and hoses are hooked up and not gone or broken.
SOURCE: Cabin smells when heat or defroster is on
What your smelling is most likely coolant (antifreeze). You may have a heater core leak. If you dont smell the same smell after running the A/C or just vented cool air from outside for a few minutes then that is your problem.
SOURCE: how do i fix an exhaust leak where vthe exhaust
It depends what is causing the leak. If there is a hole in the pipe, you may be able to cut the pipe and install a coupler with a couple of clamps. If the hole is at the point where the pipe is welded to the muffler, then you have to cut out the muffler and replace it.
SOURCE: I have an exhaust leak in my 98 ford ranger 3.0
Have a smoke machine used on the exhaust system
If your not familiar with one,they were designed for finding EVAP Leaks,and can be used for lots of things.
A muffer shop with no smoke. That is Fired Flintstone Repair
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