cars a 92 hatch with a 00 jdm b20b running a stock p75 ecu

while i'm giving it gas and holding the throttle it'll completly stop giving it gas. it'll move as if i wasn't giving it gas at all then if i still keep holding the gas pedal after a few its like jump right back as if i slammed on the gas

car has been doing has for the past 2 days and it happened outta no where. i just started my car up in the morning one day and it started to do this

as of yesterday i changed the dizzy cap, plugs, wires, and i got the rotor but they gave me one for the wrong car but iono if that would cause this.
i also put almost a whole bottle of seafoam in my gas tank to clean the fuel lines and injectors.

please help me asap

next thing i'm going to check is my fuel filter, you think this might be the cause?


Modified by dthug at 11:39 AM 12/13/2006

 

hmmm im not really an expert
but have u checked your TB, and TB cable, maybe its getting stuck or snagged somewhere?

 

yupp i had a friend sit in my car and press the gas and i checked it throttle open up fine

imma go reroute my tb cable tho just in case

anyone think it could be my fuel pump filter?

i'm all out of ideas

 

bumppppp

 

so is it like a bucking kind of surging? Don't move the cable, there shouldn't be any reason it's messed up, especially if you can see the throttle body moving unrestricted. Clean inside the TB and after that i'd start checking your O2 sensor.

 

bump for some help

you think i could have a pinch fuel lneor somethng cuz i had passengers tell me they smell gas. would have cause a big enough lost of fuel pressure to make it drive like this

you think since i'm running a stock ls computer my motor is no longer getting enough fuel for a 2.0L instead of 1.8?

 

bump before schoool

 

I'm sorry, I just g2 bash it...


So...

Car stops accelerating when moving, eh?

What about when it's standing still, does it stop accelerating then?



Well for starters get the right rotor/cap/wires/plugs for your car.

If it's still doing it then then check fuel filter, then fuel pump.

Sounds like a fuel pump problem I suppose, you can check the fuel at the fuel rail and see, it's either not getting fuel, or not getting good sparks.

So change out the normal tune-up, and if it's still doing it check your fuel pressure.

 

changed out the car/rotor and all that good stuff i even changed my map sensor just cuz i had a extra one lying around

how would i go about checking my fuel filter to see if its bad?

i dont know what else could be wrong with it i was almost sure it was cuz of the spark but now i think fuel

 

jus changed the fuel filter STILL doing the same exact problem

what could it be i'm loosing patience with this car

 

reading up now i assume it COULD actually be a bad o2 sensor.

when i first got my swap i the o2 sensor wires were cut in half so i spliced it back up and reused it. it ran fine for the 3 weeks i had it and i threw no codes and NOW outta no where my car started to drive like ****

so i read up on fauly o2 sensors and then i went out and unplugged the o2 sensor started it up now i'm throwing a code. i drove around the block a few times and now once did it sputter.

how bad is it if i drove my car around like this for a while until i get a new o2 sensor i also want to be 100% sure its this cuz they aren't cheap

 

You check the IACV yet? My car did that same thing when I had my IACV unpluged.

 

found out the problem

turned out to be o2 sensor