Diagnostic OnlyDiagnostic scopeThis purchase evaluates the issue; it does not silently become a tune.
Clear next stepIf calibration changes are needed, DD84 routes you to the correct tuning service.
Down Dirty 84
Check Engine / No-Tune Diagnostic Deposit
$75.00
Confirm your service.
Ask DD84 to confirm the application, selected package, timing and any additional costs before purchase. Ask DD84
PRODUCT DETAILS
REVIEW & NEXT STEPS
Start with diagnosis when the vehicle is not ready.
A $75 diagnostic deposit for fault-code, symptom and pre-tune readiness review. Repairs, parts and tuning are separate.
Diagnostic deposit for vehicles that need issues corrected before tuning. This service helps determine whether the vehicle is ready for calibration or needs mechanical, sensor, fuel, ignition, or wiring repair first.
- Initial fault-code and symptom review
- Pre-tune red-flag inspection
- Fuel, ignition, sensor, and wiring concern review
- Recommendation before any tune work begins
Important: This diagnostic deposit does not include repairs, parts, or a completed tune.