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Old 26 Dec 2009, 11:46 am
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Default What can be causing this problem? 92 EX accord sedan 5spd!?

I'm driving at 2nd or any gear, at around 2k-5k the car starts to shake like it its running out of gas. I hit the gas and it shakes violently but it doesn't accelerate at all. I start loosing speed but the car wont die. it never this did this on 1st gear until two days ago. I cant seem to get past 4k because it like if gas was cutting of. i need your help to narrow it down to something so I can have a simple knowledge as to what the problem is. I just don't want to take it to the mechanic and not know what to tell them or else they will look for problems and rip me off. Any advice, input, or similar situations are welcomed! thanks!
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Old 26 Dec 2009, 12:01 pm
Amy Amy is offline
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I don't know if this is the same issue I had a couple months ago or not, but I'll share my problem just in case:

My car (2001 Chevy Impala) would do the same as yours, no matter how much I stepped on the gas, the car would not go much faster than 20mph (this was as the situation progressed). It also would kinda skip while I was driving. I found out that a few of my cylinders weren't igniting. My car was a 6 cylinder and I think only 3 or 4 of them were lighting, hense, causing the car not to be able to gain enough power. I ended up getting a new car because there were many other things wrong with it that wasn't worth fixing, but I was told the cylinder issue is related to the catalytic converter?

I hope this helps!
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Old 26 Dec 2009, 01:01 pm
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I have a buddy who had a similar problem with his Civic Si. It turned out to be worn out spark plugs. He slapped some new NGK plugs in and the stuttering stopped. I'd check your coils and plug wires too, just to be certain.

I can't remember if Accords in '92 had VTEC, but if they did, VTEC starts to kick at around 4000 rpm. I hope it's not a valve problem; that could be costly.
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Old 26 Dec 2009, 01:16 pm
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the two most common causes of the problem you describe are an ignition coil that is "breaking down" or a fuel filter that is restricted.

in the first case, the ignition coil, the problem is that the coil is short circuiting internally. the ignition coil takes the 12 volts from the battery and transforms it to over the 30,000 volts that are necessary to 'fire' the spark plugs by running the voltage through a coil of wire. when the coils break and create a shorter path for the voltage to flow the spark is less intense and won't burn the fuel completely. that results in a misfire and the car shakes violently. The more of a load that he engine is under, the more the condition is noticed so if you feel it ion acceleration in lower gears when the engine is under the highest load, then its probably the coil breaking down. this is a very common thing on the accords of the early 1990's.

the second possibility is that the fuel filter is clogged. in that case, only enough fuel is getting through to run the car at lower rpm but when you need more fuel at higher rpm the car is literally running out of gas. that will cause the same misfire and shaking. this is a much less likely possibility on the Accord.

beyond those two, it could be worn distributor components such as the cap, wires or rotor or fouled out spark plugs. if you've been maintaining the car these are less likely than the coil but possibilities non-the-less.

my advice is to have the mechanic road test the car with you. he should be able to feel what you describe. If he says it feels like a high-speed misfire then he's probably on the right track. most mechanics won't charge you to road test the car with you. they may recommend a tune-up with a new cap and wires. that's usually a sign that they don't know what they are looking at and want to "shotgun" the repair in hopes that they hit the cause rather than to diagnose the problem first. I wouldn't go that route unless they guaranteed it would fix the misfire. tell them you want the problem diagnosed first then you'll consider doing other maintenance once you have an estimate for repairs. don't agree to any work if you're not comfortable with the estimate; you have the right to say NO and take it someplace else for a second opinion.

my guess is you'll find its an ignition coil as that is a very common failure on your year Accord. Expect the coil to run about $50 plus labor to install. Usually the replacement runs under $100 total.

hope that helps
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