Question about 1984 Honda VT 500 C Shadow
1983 honda shadow running rich with K&N air filter how to adjust to normal mixture Purchased 1983 Honda Shadow 500 with K&N filter installed. Spark plugs normal heat range DPR8EA-9 with carbon deposits. The bike gets good gas mileage (56-59 MPG) buts has a problem when the engine is hot, sometimes stalls while coming to stop or when trying to accelerate from being at a stop. Keeping engine revved allows the engine to keep running. Sometimes stalls anyway when the throttle is applied at all.
RPM's up and down check EGR valve and sensor. EGR valve and sensor control idle. That's why your getting the surging on rpm's and this could be giving out the other codes. If mass flow was bad car will not start and the same for the map sensor. O2 sensor measures gas and air for right mixer. TPS controls 0-60 speed as in throttle respons.
Posted on Apr 28, 2009
you have one of three problems yes ethonal suuuuuuuuuuuuuuuuuuuuuucks buy some stabil ethonal treatment and run it every tank full. REPLACE THE PLUGS FIRST ALWAYS.if that doesnt work drain your carbs with drain srew take your tank off and make sure there is no water in it bet ya $20 its your plugs
Posted on Jun 22, 2009
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