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Old Sep 1, 2008 | 10:49 PM
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Ok so i have been running lt's and ory for a little over a month now and as i was driving down to school it started chugging whenever i would barely put the accelerator down, does this in all gears until i get out of the 1k-2k rpm range. I havent gotten a tune yet so is that why it's doing this? Also when i was driving down when i refilled up for gas my service light started blinking and my car started acting funny, it did this for maybe 6 min than it went away . Anyone know what the problem may be?
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Old Sep 2, 2008 | 12:50 AM
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I'm just going out on a limb here I could be totally wrong(if I am I'm sure someone will bash on me) but I've heard when the service engine light blinks that its a miss fire and that would sort of go hand in hand with that chugging if it was miss fireing and if that was the case.....spark plugs, wires ETC.
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Old Sep 2, 2008 | 08:47 AM
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Best way to find out is to get the codes read.
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Old Sep 2, 2008 | 12:22 PM
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yea that's what im thinking. Im gonna go by autozone today. Luckily i got some NGK Spark plugs right next to me
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Old Sep 2, 2008 | 12:52 PM
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you did put in premium fuel? i am gonna laugh if you put in regular and it started doing this. poor fuel will cause detonation which is a misfire and cause the light to come on.
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Old Sep 2, 2008 | 03:25 PM
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Originally Posted by slow95z
you did put in premium fuel? i am gonna laugh if you put in regular and it started doing this. poor fuel will cause detonation which is a misfire and cause the light to come on.
no i didnt but i went to this broken down gas station and put in 93 so i dont know. Trust me im not that naive d to do that.
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Old Sep 2, 2008 | 08:35 PM
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you never know till you ask. it could be water in the gas or a very clogged air filter.
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Old Sep 2, 2008 | 10:25 PM
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Did you remove the O2 sensors when you put the ORY on? I believe they need to be tuned out when removed. And yes as stated above, a flashing SES is usually random multiple misfires.
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Old Sep 2, 2008 | 10:46 PM
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i removed the back o2 sensors, reinstalled the front o2 sensors, no tune
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Old Sep 2, 2008 | 11:06 PM
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Huh. . . . .

I would just shoot down the line and check all the usual stuff, like fuel pressure and make sure every thing is connected and no wires are frayed/cut.
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Old Sep 4, 2008 | 10:10 AM
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my fuel pressure is fine. You know what im thinking..i let my mom drive my car one day and i think she put in 89 octane now i cant fill my gas tank all the way full...holy **** what the hell
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Old Sep 4, 2008 | 10:45 AM
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So if you fill the gas all the way it missfires but if it isnt all the way full it doesnt?

My first car was a pos and did this thing once where it wouldnt go faster then like 5 mph without missfiring and dying. This was after I did plugs and wires and all that stuff. Someone told me to replace the fuel cap bc it has a vent in it. That fixed my problem.
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Old Sep 4, 2008 | 12:05 PM
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no like i cant fill my gas tank up all the way ill try getting a new gas cap, lets pray that's whats wrong with it
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Old Sep 4, 2008 | 04:20 PM
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If you are having problems filling the tank, look into the EVAP system. There may be a problem.
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Old Sep 4, 2008 | 11:19 PM
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ok thanks for the heads up, i think that's what the problem is...
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Old Sep 4, 2008 | 11:26 PM
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Leaking gas-cap/EVAP would throw a code, and the SES light would be on solid.

If you (or your mom) put 89 octane in it, and that's causing the problem (doubt it though. The ECM should do a fall-back to the low-octane tables), you could use an octane booster to get it up to 93 octane.

When your mom filled the car (or when you do it), did she/you top off the tank?
You shouldn't top off the tank on newer cars. There's a charcoal filter that you'll saturate with fuel if you top them off, and that'll cause you not being able to fill the tank completely.
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Old Sep 5, 2008 | 12:37 AM
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no it wouldnt fill up all the way for her, im guessing it might be my cap or something wrong with the evac tube? I dont know im going to check it out tomorrow.
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Old Sep 5, 2008 | 01:11 AM
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Hate to hear your having problems, but...mine is kind of doing the same thing! Read my thread that I am puting up in a few minits! See if we got something in common!
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