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Question about test pipes or HFC for a newbie

Originally Posted by DEpointfive0 I have EVERY, SINGLE bolt on, no tune, car runs fine If your car is running rich or lean outside factory specs, you'll get a CEL.

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Old 12-14-2013, 01:16 AM   #1 (permalink)
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Originally Posted by DEpointfive0 View Post
I have EVERY, SINGLE bolt on, no tune, car runs fine
If your car is running rich or lean outside factory specs, you'll get a CEL.
And you may run a bit rich, but not that much
and is only way to fix the issue tuning?
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Old 12-14-2013, 01:20 AM   #2 (permalink)
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and is only way to fix the issue tuning?
I don't recall stating an issue, lol.
Running a tad rich isn't bad, safer than running lean. And if it ever runs too rich or lean, you'll get a CEL.

Just install your mods and don't worry brother. You'll be ok
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Old 12-14-2013, 01:22 AM   #3 (permalink)
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Originally Posted by DEpointfive0 View Post
I don't recall stating an issue, lol.
Running a tad rich isn't bad, safer than running lean. And if it ever runs too rich, you'll get a CEL.

Just install your mods and don't worry brother. You'll be ok
by issue i meant CEL. sorry lol
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Old 12-14-2013, 01:25 AM   #4 (permalink)
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by issue i meant CEL. sorry lol
Lol, yeah, a tune will fix it, but I don't recall anyone getting a CEL from bolt ons. Usually they forget to install or tighten something
OR they get a CEL for catalyst threshold efficiency, caused by shitty test pipes or HFCs or broken HFCs, that can be fixed by extended bungs or the Z1 antifoulers, which work great
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Old 12-14-2013, 01:47 PM   #5 (permalink)
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Originally Posted by DEpointfive0 View Post
I don't recall stating an issue, lol.
Running a tad rich isn't bad, safer than running lean. And if it ever runs too rich, you'll get a CEL.

Just install your mods and don't worry brother. You'll be ok
my car was running lean across the entire rpm with my bolt ons. He had to add fuel everywhere.
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Old 12-14-2013, 03:04 PM   #6 (permalink)
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my car was running lean across the entire rpm with my bolt ons. He had to add fuel everywhere.
How long/how many miles did you have all your mods on before you went in for a tune?
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Old 12-14-2013, 07:54 PM   #7 (permalink)
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How long/how many miles did you have all your mods on before you went in for a tune?
I'd put about 4000 miles on it before i got the tune. maybe 3000.
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