I just bought a 94 civic hb with 108k and I have a problem it almost feels like it is misfiring or bogging out but this only happens at low rpms. I replaced the plugs, wires, cap, rotor, coil I also cleaned the throttle body out. What could this be is there a throttle posotion sensor because it feels like it only happens light throttle at low rpms. It almost feels like I am running out of gas but the tank is full. Any suggestions would be great.

 

could be related to the fuel pump or fuel filter I suppose, but could also be spark related - I've heard an ignitor/ignition module that's going out can cause misfiring before totally crapping out, or maybe your ignition timing is just way off :dunno:

If it pulls fine at high rpms, no missing or cutting-out, than I doubt it's fuel related, and you've already covered the relatively cheap stuff on the spark side.

Is it like that at idle or only when you're trying to accelerate from a stop/slow speed?

 

1. check fuel pressure and go from there

 

The only way to describe it is it feels like it is running out of gas. I am going to try the fuel filter but I doubt that's it, if you have the car in neutral and rev it the response is perfect. First and second are fine but the minute I stop accelerating and cruise into third bam hits a wall. Sorry my description is so bad. Alternator 02 sensor maybe????

 

Just replaced the fuel filter and no luck, anymore suggestions before I light it on fire............................

 

No CELs?

How is it at WOT? If it runs fine w/ your foot to the floor I think(keeping in mind I'm not a mechanic) you can rule out fuel. An O2 sensor makes some sense, but I wouldn't expect it to have trouble just maintaining speed simply b/c it's running a bit lean or rich.

Is your alternator making any noise, sort of like a hair dryer?

If you know someone with a timing light, checking and adjusting the ignition timing isn't too hard. I'm necessarily saying it's off, but worth a check.
Apparently some people have just adjusted their distributor a cm or two, re-tightened the bolts, and taken a test drive to see if they noticed a difference... not sure how bad of an idea that might be, never done it myself.

 

get some gas treatment there might be water in the gas...also test your tps..and may check your hoses around your intake manifold. jsut some suggestions

 

I had it at the stealership today and the diagnosed it, they are saying I need a new distributor, ignitor, and coil. I am having a new distributor put in tomorrow morning I will let you all know what happens. Thank you all for your help and suggestions.

 

I paid $800 for the car but now it looks like I'll have another $800 in to it. Here is what she looks like, definitely needs a little tlc. It's a 5 speed with 108k and the other side is much worse it has a new fender due to an accident. I'll post pics when I get her back.



Luckily I have this to drive but the PA winters are a bit harsh sometimes, and I get too many tickets...lol

 

Well. This one is easy I'm surprised nobody has figured this out yet. You drive a Z33 and you switch to a stock civic..that's why it feels like it's bogging lol