my car has this weird low rpm studder problem thats been happening for awhile but is just now getting worse...i'll explain, the engine/chassis studder only accures between idle and about 2,500 rpms. during the studdering it looses power but once above 2,000-2,500 there is a sudden rush of power. above that it runs like a champ and is one of the fastest sohc in town. it also has a very erratic idle but only sometimes, usealy on really hot days. any suggestions? thanks guys

when was the last time you changed or checked your spark plugs?

when was the last time you changed or checked your spark plugs?

about two months ago, lol i changed them thinking that was the issue

On hot days and/or when you're driving it at higher rpms, do you ever smell sulfer (rotten eggs)? Your cat could be clogged.

On hot days and/or when you're driving it at higher rpms, do you ever smell sulfer (rotten eggs)? Your cat could be clogged.

nope, runs like reggie bush and smells like a victoria secrets model. i have smelt my cat go off but not often and when i do it's not when i'm racing around.

above that it runs like a champ and is one of the fastest sohc in town

that isnt saying much..:grinyes: just kidding, i had to....

Anyway, how about you fuel filter? o2 sensor?

that isnt saying much..:grinyes: just kidding, i had to....

Anyway, how about you fuel filter? o2 sensor?


i also changed out the fuel filter when this started happening a few months ago, i havn't checked the sensor but would that really cause something like this, it's very predictable lol it happens everytime. i can't take off from a stop with out it going du du du du du until it hits 2,000rpms unless i rev high and burn the clutch

hmm.. maybe, at idle it may be getting a wrong reading and causing your A/F mixture to be off. any is possible with cars...

hmm.. maybe, at idle it may be getting a wrong reading and causing your A/F mixture to be off. any is possible with cars...

which sensor would be bad? intake or exhaust?

hmm... could be either... get a FSM and check both

hmm... could be either... get a FSM and check both


FSM?

Factory Service Manual

Factory Service Manual

how do i test it?

go buy a FSM and it will give you step by step instructions