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#1
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2000 Civic EX bucks at 3k-3.5k RPM
My 2000 Civic EX starts bucking around 3k rpm if I am under slow or
steady throttle. If am accelerating hard it does not do it. The car also drops rpm and occassionally stalls at traffic lights. I have changed the plugs and fuel filter to no avail. Any ideas? flynshoot |
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#2
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"flynshoot" > wrote
> My 2000 Civic EX starts bucking around 3k rpm if I am under slow or > steady throttle. If am accelerating hard it does not do it. > > The car also drops rpm and occassionally stalls at traffic lights. I > have changed the plugs and fuel filter to no avail. Knock off one other small, Do-It-Yourself, item: New air filter. Does it do this only after the car is warmed up? If so, this symptom is consistent with a failing distributor coil. Not sure the failing distributor coil would cause the 3k rpm bucking, though. How many miles on your car? |
#3
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Condensation in the fuel system can cause these symptoms. Add a can of
"Heet" to your fuel tank and see if this helps. This is the time of year, with temperature differences during night and day, that fuel tanks should be kept as full as possible. This will help prevent condensation. Dave "flynshoot" > wrote in message ups.com... > My 2000 Civic EX starts bucking around 3k rpm if I am under slow or > steady throttle. If am accelerating hard it does not do it. > > The car also drops rpm and occassionally stalls at traffic lights. I > have changed the plugs and fuel filter to no avail. > > Any ideas? > > flynshoot > |
#4
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There appears to be no pattern. Some times it will do it right out of
the garage in the morning. Other times it will do it after its been running for awhile. Sometimes it doesn't do it at all. It's driving me nuts. fNs |
#5
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DaveB wrote:
> Condensation in the fuel system can cause these symptoms. Add a can of > "Heet" to your fuel tank and see if this helps. Gasoline (in the USA) is already 10% alcohol. That's aproximately two 6 oz. cans of heet per gallon of gas. |
#6
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Ok, I think I may have isolated a symptom.
The car ran great when it was at a half tank of fuel or less. As soon as I filled it this morning, it started bucking at around 3000 rpm at part throttle. It also drops rpm at stoplights and occassionally stalls. Any ideas? Thanx. flyNshoot |
#7
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Sorry if this is a repost, but I didn't see the original.
Ok, I think I may have isolated a symptom. The car ran great when it was at a half tank of fuel or less. As soon as I filled it this morning, it started bucking at around 3000 rpm at part throttle. It also drops rpm at stoplights and occassionally stalls. Any ideas? Thanx. flyNshoot |
#8
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flynshoot wrote:
> > Sorry if this is a repost, but I didn't see the original. > > Ok, I think I may have isolated a symptom. > > The car ran great when it was at a half tank of fuel or less. As soon > as I filled it this morning, it started bucking at around 3000 rpm at > part throttle. It also drops rpm at stoplights and occassionally > stalls. > > Any ideas? > > Thanx. > > flyNshoot -------------------------------------- If a first Generation CR-V stalls at the first stop light before it's warmed right up, the valves are about to burn, since they are too tight. On the CR-V they need to be done every 50,000 Km. I missed your mileage . . Any chance it's overdue for a valve adjustment? I realize the engine is completely different. 'Curly' |
#9
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Mileage is 86,0000 miles.
fNs |
#10
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Have you checked the condition of the EGR valve on your car if it has
one? Me thinks it is due for a cleaning/replacement. Check a service manual, preferably the factory Helm one. |
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