Loud motorcycle noise when accelerating
#1
Loud motorcycle noise when accelerating
Hello,
I need some help please. I have a 2000 Honda Civic Ex 2 door with 125,000 miles on it. I was driving on some big hills over the weekend and my car was having trouble getting up them/accelerating while going up them. It was not a huge deal, but suddenly, now my car is making a loud motorcycle noise when I accelerate. It makes a softer motorcycle noise when it is not moving, but it is very loud when ever I accelerate. It is a manual, so each time I shift it is loud when accelerating. I just got a new timing belt last year, and an oil change less than a month ago. The noise seems to be coming from the front more than the back. When I put the car into neutral the sound disappears. The car does not appear to be shaking or slipping - it is driving just fine, the issue is the loud noise. It this the muffler or the engine? What could this be? Any advice or experience would be greatly appreciated.
I need some help please. I have a 2000 Honda Civic Ex 2 door with 125,000 miles on it. I was driving on some big hills over the weekend and my car was having trouble getting up them/accelerating while going up them. It was not a huge deal, but suddenly, now my car is making a loud motorcycle noise when I accelerate. It makes a softer motorcycle noise when it is not moving, but it is very loud when ever I accelerate. It is a manual, so each time I shift it is loud when accelerating. I just got a new timing belt last year, and an oil change less than a month ago. The noise seems to be coming from the front more than the back. When I put the car into neutral the sound disappears. The car does not appear to be shaking or slipping - it is driving just fine, the issue is the loud noise. It this the muffler or the engine? What could this be? Any advice or experience would be greatly appreciated.
#2
Since you're getting reduced power it sounds like you have a restriction in the exhaust, probably at your catalytic converter. There's a honeycomb looking thing in the cat that can get clogged or damaged. Dont let this go for long.
#4
This could be a hole in an exhaust pipe or even a completely broken pipe. Idle the engine then go and block the tailpipe with a rag. Pressure should build up quietly. If there is no flow from the tailpipe at all, or you hear hissing noises under the car, there is a leak in the exhaust system.
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