gas fumes but no apparent leak
gas fumes are apparent but no apparent leak
Update (09/02/2021)
Hi Brandon, Thanks for responding. I’ve had this car
for 21 years. It’s a 1989 560SEC. When I got it the mileage was 37,400. It now has about 79,000. It looks like new inside and out and drives very well. I notice the fuel smell occasionally while driving it, but when I put it away in the garage, the smell is extremely strong. All I’ve done is to look under the hood for anything obvious. I’ve also check the gas cap and when I remove it, there is some suction. I plan on putting it up on a lift to see if there are any fuel lines leaking. There is no pool of fuel ever, even immediately after driving it.
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what have you checked? When can you smell the fumes? Where is the smell coming from that you can discern?
- de brandon k
@marhil if you have a lift to use... I'm jealous. But yeah check the fuel lines all the way to the motor. Not exactly familiar with these motors, but if it has an air cleaner on top of a TBI or carb setup, take that off as well, and try running the motor. Use a flashlight to look in the engine compartment and see if you can see anything. That engine bay looks very cramped (compared to my 1994 chevy suburban... so much room.in the engine bay!!) Check your plugs also, make sure they're good. If they're going bad, or the wires are, you may not be burning all the fuel, so you'll get a gas smell from the exhaust
- de brandon k
@marhil also, you only have 79k on it? Wow... for that age thats actually quite impressive. My 1994 suburban has 267k on it. Haven't owned it for long though...
- de brandon k
I have the same exact problem with my 1989 Mercedes 560SL & looking for a solution! Did you ever resolve the problem, Gordon?
- de Timothy Snider