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2.4L Performance Tech 16 valve 172 hp EcoTec with 162 lb-ft of torque

Tuned or not?

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Old 10-31-2010, 09:09 AM
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Tuned or not?
Can anybody tell me if my 06 2.4 has been tuned by previous owner? (I m thinking maybe)
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Old 10-31-2010, 09:16 AM
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What makes you think it might be?
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Old 10-31-2010, 11:20 AM
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PM me the VIN number, I can see what my records say.
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Old 10-31-2010, 08:02 PM
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Tuned or not?
Originally Posted by GDZHHR
What makes you think it might be?
Had a constant eng lite problem ,which always was a misfire. Switched from Mobil gas to Sunoco (premium for both) and no more eng lite. Thinking maybe tune program was fuel sensitive.
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Old 10-31-2010, 08:13 PM
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tuned or not VIN-3GNDA23P56S639678
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Old 10-31-2010, 09:23 PM
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It sounds like you have a cylinder missing due to a crossed wire..
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Old 11-01-2010, 08:29 AM
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Not through the CHWTuneCenter
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Old 11-01-2010, 08:54 AM
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Originally Posted by frey55
Had a constant eng lite problem ,which always was a misfire. Switched from Mobil gas to Sunoco (premium for both) and no more eng lite. Thinking maybe tune program was fuel sensitive.
Personal preference but I never liked Mobil fuels and that goes back to the 70's, I just never had any luck with it in any of my cars/trucks/vans stock or hot rodded. I run the Sunoco 93 in my 2.4L and it loves it.... No tune as of yet.
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Old 11-14-2010, 04:45 PM
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Thanks for checking, but looks like GRAYBEARD999 is right, I have been using Sunoco 93 for 6 weeks and no eng light yet.......
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Old 11-14-2010, 04:48 PM
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