S13 Bogging at 3,000 RPMs

[danielsan]

im on the same boat, though mine is not rpm specific. mine just bogs anytime i give more then 1/4 throttle quickly. its an on and off thing.

[progect_s13]

my s13 boggs out at 3k rpms has no power. i need to figure this out asap any help will be appreciated

[progect_s13]

it sucks i just got my suspension and a bunch of other stuff done and something else craps out. well if u get any ideas let me know

[Team Adrift]

check the sensor on the intake... it took me a while to figure it out but.. that is wat was wrong with mine. try that.

[jtolton]

sparkk plugs?

[progect_s13]

recently put new plugs in

[ohvictor]

my s13 boggs out at 3k rpms has no power. i need to figure this out asap any help will be appreciated

what kinda of engine? ka or sr?

is there a check engine light?

usually when the car does that around 3k rpms its might be in a fail safe mode which means one of your sensors might have taken a dump ie. tps, maf, etc.

or you can search this forum im sure someone else might have or had the same problem.

[danielsan]

according to the fsm i checked pretty much every sensor and all passed. so it might take you a while to track down the problem.

no its down to either low fuel pressure or clogging cat because it it bogs out even at wot.

[Sleepy240]

For one what motor we're looking at would be nice, KA, SR, RB, etc. You should probably check your ECU to see what, if any, codes its throwing. Just from your vague info it really sounds like MAF issue. You could try cleaning it and checking the wiring.

[abc123omg]

change filters? sounds liek a maf or possibly a vac leak

[modulation]

what happens when you unplug maf and try and run it?

[Driftin115]

I have the same problem. I have a 92 hatchback. It starts and will idle until you get in the gas. After that, it wants to die and spittin and sputterin real bad. Its a motor from a salvage yard. Could that time possibly have somethin gunked up? Any help is appreciated.

[slidin14]

its ur MAF sensor ask some one you know to test one of theirs out on your car

[rockinthefans]

Yeah im having the same problem kinda. My 92 wants to bog down like its choked up anytime i give more than about 1/3 throttle. Mainly at lower rpm's tho. Once I get the rpm's a lil higher it seems to clear up. And if i dont floor it, it runs smooth.

[hksdrag1254]

I'm not sure I know what you mean by "bogs".

If by this you mean it will not rev past 3k.Check your maf.

If not, I have no idea. Maybe your turbo has a cat inside the compressor and cannot spin causing lack of air flow, thus no power.Or it could be something else.Rofl.

[rockinthefans]

I mean it seems like something is choking it back. Like it doesn't want to go. If i'm just cruising around at low rpm's and I try to floor it, it wants to spit and sputter and has no power. But if i just ease into the gas it goes no problem. It'll get the rpm's up there and it seems less noticable the higher the rpm's go. I just have no idea where to look. No check engine light either.

[rockinthefans]

bump

[Driftin115]

I mean it seems like something is choking it back. Like it doesn't want to go. If i'm just cruising around at low rpm's and I try to floor it, it wants to spit and sputter and has no power. But if i just ease into the gas it goes no problem. It'll get the rpm's up there and it seems less noticable the higher the rpm's go. I just have no idea where to look. No check engine light either.

This is exactly what my car is doing. I don't think it can be explained much better. We moved the distributer over to tighten the timing chain and it helped a little. It may just be out of time? Im ordering a timing chain kit monday and hopefully everything will be back together and running right after this. If this doesn't work im going to swap my sparkplug wires out for new ones and try my friends MAF censor.

[240nspec]

I have created another post earlier just like this, almost same rpm too. here was my problem:

Any gear, any condition, most noticeable in heavy loads / wot. From 2.5-3k Great power loss, a very noticeable tin can noise is made while within these RPM boundaries. I already removed the top chain guide and fear even If i were to remove the other guide (side) this would not correct the problem. ECU not throwing codes, could this be a fuel or fuel/air problem? Injectors? MAF? Very confused at the moment. Already replaced Sparks, and Oil, no improvement.

And a link,

zerothread?id=347270

maybe some of the solutions posted on my thread could help some of your problems? It didn't help mine, hopefully these threads can be answered once and for-all

[Driftin115]

I am aware that you know the tin can noise is the timing chain rattle...? Every 240 I have drove/rode in has had this problem. But with my friends, it doesn't reduce power, bog down, or spit and sputter. Thought I was ganna be able to order a timing chain kit today but didn't happen. Ive now ran into an overheating problem.

[blackout240]

did you mess with the distributer? im having the same problem, but mine does it at 1500rpm and clears up until 5500-6000rpm. when in the high rpms it sounds like im hiting rev limiter but im not..........i checked the MAFS and nothing, checked the ecu for codes and nothing!!!!!!for the whole overheating try replacing your CTS and your Termostat.

[Driftin115]

Yea. We moved it. It helped it a little bit but not completely. Also, that is the 2nd thermostat we have put it.

[rockinthefans]

Well as far as the noise goes, all I get is spitting and sputtering. Sometimes a lil popping noise in the exhaust if I give it too much gas. Im pretty much experiencing power loss everywhere if I give it too much gas. I can ease into it and no problems. If I try to floor it, it sucks. Im starting to think I either have an air leak or a bad maf. Oh yeah, when i first crank it up untill normal operating temp, it seems to run a lil rich, but once it warms up it just seems to get leaner and leaner. I have an a/f ratio gauge. I really need some help. Brand new motor with about 275 miles I cant even play with

[danielsan]

i know it sucks, i mean the car is not as fun to drive as i would have hoped. hell my stock 90 integra with the 1.8 would kill my 240 easy. hell when i went to a meet a few weeks out everyone went for a cruise and i could not keep up to everyone when they were playing around. even the other 240 in the group was up ahead with the other guys.

im taking the cat off tomorrow and i really hope that is problem, if not then its fuel.

[nismoboy92]

yea man.i tryd everything that this thread says like 2 weeks ago.man what a pain in the ***.lol come to find out it had a bad fuel filter.same symptoms that all of you are talkn about

[Driftin115]

Well that was an easy fix for you. lol thats one of the first things ive replaced and it didn't seem to help at all. Ive tried almost everything except test the MAF sensor and get a new timing chain kit. I am in the proccess of doing them both.

Also, I removed my catalytic converter and put another peice of my N1 exhaust system in its place. Would that have my motor running goofy?

[rockinthefans]

A plugged up cat would cause problems but I don't think it would be quite what you got going on. Especially not just all of the sudden. Im gonna test my MAF and my knock sensor tomorrow and hope that yeilds some rusults

[rockinthefans]

Well it turns out after doing so tests that I have a bad knock sensor. The fsm says to unplug the knock sensor at the connector by the intake and that you should have continuity at one of the pins (pin a i believe). I have none. Ohmeter shows oL. Just ordered a new one. I'll let you guys know how it works out

[nismoboy92]

sweet man!!glad you got the problem solved.yea lmk what happens

[danielsan]

Well it turns out after doing so tests that I have a bad knock sensor. The fsm says to unplug the knock sensor at the connector by the intake and that you should have continuity at one of the pins (pin a i believe). I have none. Ohmeter shows oL. Just ordered a new one. I'll let you guys know how it works out

my knock sensor tests out fine but i still get that stupid bog. im just going to by pass the sensor all together. i know some of you guys say its a bad idea but im running 91 all the time so i wont have to worry about it. just going to slap a resistor on there and see if that helps if not its going back to stock setup.