PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Tuning Q?

Old Aug 2, 2008 | 12:15 PM
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Default Tuning Q?

Ive got a 98 ss, just installed headers and a ory. rear 02's are not plugged in, no sims, egr is removed, but the car isnt displaying a ses light or a code. has it been tuned before? Car was bone stock when i got it.
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Old Aug 2, 2008 | 08:01 PM
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You need a tune to delete rear O2's and egr.
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Old Aug 11, 2008 | 03:22 AM
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If you have an ORY and no sims and haven't disabled the codes for the rear O2's, then I'd go with yes. Somebody turned them off at some time. Same goes for the EGR.
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