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Old 24 Oct 2007, 10:36 am
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Default My honda accord backfires from muffler and sometimes the rpm goes down to 1 while at

60mph. What's wrong? Plus it sometimes dies when traveling far distance.
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Old 24 Oct 2007, 10:39 am
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You did not mention how many miles this Honda has on it. Damn thing sounds completely worn out. The thing until they make aniti-gravity cars that just glide along like flying saucers, the friction will wear them out. The metal keeps wearing and the miles of wiring and tubing and spring-loaded thingies just get weaker and wear and begin to foul up the whole "transportation system." Yeh, your's sounds worn out. Go get you a new one. That one is ready for the crusher.
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Old 24 Oct 2007, 10:40 am
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Default Re: My honda accord backfires from muffler and sometimes the rpm goes down to 1 while at

is it an auto or a manual? if its an auto does it ever slip?
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Old 24 Oct 2007, 10:42 am
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the engine is done. time for a new one buddy. Good Luck
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Old 24 Oct 2007, 10:45 am
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you should try to check the fuel lines and fuel system coz it sounds that your car engine didnt get a smooth flow of fuel from the gas tank. that is why the RPM goes down while you are running at 60 and it back fires because at that exact timing there are so many fuel in the chamber to be burn and when it goest to the muffler there still planty of unburn fuel and when it goes to the hot muffler, it ignite creating a back fires (just like afterburner in the jet engine) it is cool to watch though but not very economical coz you just wasting a fuel.solution for you, have it check in authorise honda dealer for once a while, if you love your car even if it is old car
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Old 24 Oct 2007, 10:51 am
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Bad spark plugs !!!! check em out !!!! if not check you cat converter!
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Old 24 Oct 2007, 10:54 am
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you have an ignition system misfire probably due to a bad ignition coil. At 60 mph a stalled engine is running at least 2000 rpm as it is driven from the wheels. The tachometer is reflecting the speed of the engine based off of ignition signals from the ignition coil. if the car is moving and the tachometer is dropping you're losing spark pulses from the ignition coil.the backfire is caused by the spark arriving early or late and lighting the fuel at the wrong time. if the fuel isn't burnt, it can ignite from the heat of the exhaust and cause the backfire. A coil that is breaking down affects the ignition timing and causes the backfire.I'm almost certain that if you replace the ignition coil you'll fix your problem.there is also a trigger mechanism for the ignition system called an ignition module. that is another possibility but less common than the coil. typically the module and the coil will break down when hot but the ignition module will shut the car off and you won't restart it rather than it just losing power. Still, its a possibility.lastly, you want to make sure the distributor cap and rotor are in good condition. a cracked cap could cause the misfire as well.hope that helps
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