Redcorn245 Posted June 9, 2012 Author Report Share Posted June 9, 2012 yea this is really ppissing me off lol. i replaced just about every sensor. brand new o2 sensors and it still throws an o2 sensor code. the car only does this when i first get in it and try to slowly accelerate. it acts like it wants to stall out and i floor the gas pedal and it backfires a bunch pop pop pop pop and then it like launches you lol. like its pulling itself out of the stall. its really weird This it the part I don't understand. You have probably spent over $100 throwing parts at it and still havent fixed the problem. Take it into a shop. Also don't buy any electrical part form Auto Zone (I'm assuming thats where you are getting your parts). They are cheap for a reason, you could possibly have gotten a new part that was bad to start with. i always replace sensors and do a tune up on any used car i get, i dont know how the previous owner drove it. if i cant figure it out i will pay someone to tell me Quote Link to comment Share on other sites More sharing options...
Redcorn245 Posted June 9, 2012 Author Report Share Posted June 9, 2012 (edited) g Edited June 9, 2012 by Redcorn245 Quote Link to comment Share on other sites More sharing options...
Miguels Posted June 9, 2012 Report Share Posted June 9, 2012 (edited) have you tried the EGR valve? the IAC valve? if you havent you should trouble shoot them also the tps Edited June 9, 2012 by Miguels Quote my logshttp://www.stevemead...-my-new-set-up/my blow through loghttp://www.stevemead...future-updates/ 96 ss http://www.stevemeadedesigns.com/board/topic/164094-96-impala-ss-build/ Link to comment Share on other sites More sharing options...
Zapanater Posted June 9, 2012 Report Share Posted June 9, 2012 OKay let me try this again. You said you replaced all the sensors? How about the MAP sensor and the TPS? Quote 2015 Subaru Outback. That is all, I refuse to touch it. Link to comment Share on other sites More sharing options...
Redcorn245 Posted June 9, 2012 Author Report Share Posted June 9, 2012 OKay let me try this again. You said you replaced all the sensors? How about the MAP sensor and the TPS? yes replaced both also the cps. changed plugs, cleaned tb, checked for vaccuum leaks. one thing i did notice was that my wire harness was touching the exhaust manifold for some reason. so i secured that and for some reason it runs better lol. Quote Link to comment Share on other sites More sharing options...
Redcorn245 Posted June 9, 2012 Author Report Share Posted June 9, 2012 have you tried the EGR valve? the IAC valve? if you havent you should trouble shoot them also the tps yeah i changed thoes Quote Link to comment Share on other sites More sharing options...
Redcorn245 Posted June 10, 2012 Author Report Share Posted June 10, 2012 (edited) yea this is really ppissing me off lol. i replaced just about every sensor. brand new o2 sensors and it still throws an o2 sensor code. the car only does this when i first get in it and try to slowly accelerate. it acts like it wants to stall out and i floor the gas pedal and it backfires a bunch pop pop pop pop and then it like launches you lol. like its pulling itself out of the stall. its really weird This it the part I don't understand. You have probably spent over $100 throwing parts at it and still havent fixed the problem. Take it into a shop. Also don't buy any electrical part form Auto Zone (I'm assuming thats where you are getting your parts). They are cheap for a reason, you could possibly have gotten a new part that was bad to start with. yes but think about it this way, if it was one of thoes simple sensors like the symptoms point too, making my car run like shit why wouldnt i try and replace it my self instead of taking it to a shop for them to charge me oujt the ass on tests? is it not worth a shot?. i love when people who cant do things there self try to suggest that i cant either. it is worth it to me to spend 100$ on trial and error for something that shows signs that the tps sensor is bad or the crank sensor is bad instead of giving the mechanic 100 bucks to tell me that the tps or cps is bad and then charging me for the part and labor to put it in. now that i spent my 100$ and no answer i feel more comofterble soending the money because its obvisouly a more serious or maybe lesss serious problem. i dont like paying for labor and either way i have to pay for parts and im not by any means trying to be rude so i hope you guys dont think im trying to be a dick. i haven't come across a shop that will diagnose for free but then again i haven't really looked for one lol. but if im going to pay someone to fix this fine piece of american garbage, its going to be done by jeep. where there will be no question in my mind if the shop is shotty or hacks, if that makes any sense lol Edited June 10, 2012 by Redcorn245 Quote Link to comment Share on other sites More sharing options...
deathcards Posted June 10, 2012 Report Share Posted June 10, 2012 OKay let me try this again. You said you replaced all the sensors? How about the MAP sensor and the TPS? yes replaced both also the cps. changed plugs, cleaned tb, checked for vaccuum leaks. one thing i did notice was that my wire harness was touching the exhaust manifold for some reason. so i secured that and for some reason it runs better lol. your wire harness against your exhaust manifold ouch probably runs a little better just cause there is less resistance heat + wire =resistancei have read so far could be a clogged cat from what i have read in this forum could be a rather small leak in the intake i also saw you said you tuned it up a bit have you checked the the spark plug wires you may have some the fire close together but aren't firing at the right time which could be a reason it is backfiring while speeding up have you changed the spark plugs cause i know high miles on spark plugs aren't good either mine were still factory but got the done the gap had actually increased Quote skar sk2500.1 0 gauge power and ground kunukonceptz alpine HUvxi65 components on BA gt-275new build log -> http://www.stevemeadedesigns.com/board/topic/150642-project-d-kon-deathcards-build-log/#entry2148821 2 x-15 sundowns singer alt, odyssey bat, and maxwell ultra caps Link to comment Share on other sites More sharing options...
Redcorn245 Posted June 10, 2012 Author Report Share Posted June 10, 2012 OKay let me try this again. You said you replaced all the sensors? How about the MAP sensor and the TPS? yes replaced both also the cps. changed plugs, cleaned tb, checked for vaccuum leaks. one thing i did notice was that my wire harness was touching the exhaust manifold for some reason. so i secured that and for some reason it runs better lol. your wire harness against your exhaust manifold ouch probably runs a little better just cause there is less resistance heat + wire =resistancei have read so far could be a clogged cat from what i have read in this forum could be a rather small leak in the intake i also saw you said you tuned it up a bit have you checked the the spark plug wires you may have some the fire close together but aren't firing at the right time which could be a reason it is backfiring while speeding up have you changed the spark plugs cause i know high miles on spark plugs aren't good either mine were still factory but got the done the gap had actually increased If it was clogged cat wouldnt it run like shit the whole time? My jeep has no spark plug wires, and just replaced the plugs with same problem Quote Link to comment Share on other sites More sharing options...
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