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Old 01-26-2012, 05:22 PM   #1
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Exclamation trouble codes

hey i have my 02 svt and just recently bought a diablosport predator tuner for it...the car already had a k&n CAI and a Flowmaster exhaust on it....i installed the performance tune that comes with the tuner on the car last week and all was fine but now all the sudden the past few days the car started running crappy....so i checked the codes and saw that it was running lean...idk if its from the tuner? do i need a custom tune? or what could it be from? i restored the factory tune to the car and it still seems to be lean and popping when i rev it up a little... i just cleaned out the air filter to see if that will do it so idk yet once it is dry ill no if that was it at all....


any ideas on what to do or what the issue could be?


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Old 01-26-2012, 05:32 PM   #2
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what does the code say? could be your front o2 sensor.
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Old 01-26-2012, 05:38 PM   #3
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i cleared it w/o copying code #...im sure it will come back but it just said that it was lean
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Old 01-26-2012, 05:41 PM   #4
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when it comes back write it down so we can help you better.
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Old 01-26-2012, 05:51 PM   #5
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when it comes back write it down so we can help you better.
will do...hopefully i will no this weekend....


btw idk if this has anything to do with anything but maybe 2 weeks ago i hit my header pretty hard going into a driveway....it scraped a bit...no leaks or holes though
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Old 01-26-2012, 05:58 PM   #6
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will do...hopefully i will no this weekend....


btw idk if this has anything to do with anything but maybe 2 weeks ago i hit my header pretty hard going into a driveway....it scraped a bit...no leaks or holes though
Yes, it could be your o2
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Old 01-26-2012, 05:59 PM   #7
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Yes, it could be your o2
yup check it and see if the front o2 broke. that could be your problem.
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Old 01-27-2012, 06:51 PM   #8
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Well i got the engine light back but after returning it to factory tune it isnt showing the lean code...just the timing belt retarded 1...(which i know about and just need to have fixed)...so im thinking the custom canned tune is causing the lean condition or idk
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Old 01-27-2012, 10:58 PM   #9
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I dont know how much you can trust the tunes that come on the programmers, regardless it should run leaner than the stock tune since our cars run rich.
I've already changed my o2 sensor twice and I'd definitely recommend getting the oem instead of the bosh. The bosh is a lot bigger and only lasted about three months for me.
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Old 01-28-2012, 01:55 AM   #10
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Ok...but it wasnt running lean and then running better/faster w/ stock tune...it was running lean and running like crap on tune (but not right away,after a few days) ...so idk if thats still o2 sensors since now its running better w/o the tune and not showing the code (as of now atleast)...idk if i should just go replacing sensors if it doesnt need em
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