![2001-2004 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Replacement PCM Deposit [+$125] Those items are sent in](https://cdn.shopify.com/s/files/1/0673/0504/6304/files/BlackBearLogoFullColor_db6b115a-60ab-4eb0-beed-a3301c0adc03.png?v=1708553218)
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Those items are sent in to us for diagnostic review and to build your tune files
Black Bear Performance offers our traditional custom tuning service for your 1996-1997 GMC Sonoma or S15 Blazer 4
No free air sensor calibration required - ever
throttle response
It requires the TCM to be mailed to us to be unlocked for an additional $175
2001-2004 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Replacement PCM Deposit [+$125] Those items are sent inBlack Bear Performance offers three different levels of custom tuning service for your 2001 2004 GMC Sonoma or S15 Blazer 4. 3L. 10 15hp, 15 20ft lbs of torque gains are common out of this 4. 3L powerhouse. Combine that with improved shift patterns, response and even fuel economy in many cases and you'll have what feels like a whole new vehicle! Additional service offerings include: Speed and Rev Limiter Increase Efan enable Torque Management
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