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along with my bad gas mileage my exhaust stinks!
Posted 13 November 2004 - 09:38 PM
Posted 13 November 2004 - 10:30 PM
Posted 13 November 2004 - 10:47 PM
Posted 13 November 2004 - 10:53 PM
Posted 13 November 2004 - 10:55 PM
Two things would give you raw gas smell from exhaust: Misfire and/or overly rich mixture.
my exhaust on my 86 d/r 4wd wagon is stinking like gas almost. smells rich... the car seems to run good and start good but gets 19mpg which sucks! my distributer is advanced all the way.. do you think its off a cog? you cant advance it anymore. the car doesnt ping or anything just is hard on gas. also new air filter, fuel filter, plugs straight pipe exhaust (no mufflers) what can i do? choke is also working properly
Is it idling rough like it is misfiring? I assume not.
Can't remember what you have written before regarding status of the carb... can't even remember if you said that this was a new condition or has always been.
You have checked the choke, so next bet is float level and/or float needle valve. If the float and valve are set wrong, things will run too rich and or spill-over into throttle bores. If the valve needle/seat are leaking, same prob as float set to high. Better needles have a viton rubber seating surface, more likely to seat than metal/metal, plus handles vibration better.
Another possibility is too high of fuel pressure. Should be OK unless big mismatch between carb application and pump.
Also, depending on carb, if top of carb (also top of float chamber) is not tightly screwed down you can get fuel leaking into throttle bores this way.
Posted 13 November 2004 - 11:04 PM
Bad carb float/inlet needle? Look down the carb at idle, is the main jet dripping? (carb rebuild time)
How does it feel for power, maybe some other engine troubles?
Do you have the AT3 tranny, my '87 cadb wagon with the AT3 only gets 22mpg with mostly freeway running, I'm sure with a lot of around town running it would get 19mpg or worse. (why I bought the RX.... 5 speed = 26+mpg)
Posted 13 November 2004 - 11:22 PM
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