
Diagnostics
Check Engine Light & Diagnostics in Henderson, NV

A check engine light can mean anything from a loose gas cap to a failing sensor or a serious engine issue. Newby's uses professional-grade scan tools and the Identifix database to pinpoint the actual cause instead of throwing parts at the problem. You get an accurate diagnosis and an honest recommendation before any work begins.
Signs you may need this service
- Check engine or service-engine-soon light is on
- Rough idle, stalling or hard starting
- Loss of power or poor fuel economy
- Failed or upcoming emissions test
What’s included
- OBD-II computer diagnostics
- Drivability troubleshooting
- Engine performance check
- Sensor & emissions diagnostics
- Clear, written repair recommendation
Other services we offer
Safety & StoppingBrake Repair & Service
Pads, rotors, calipers and ABS diagnostics — stop safely with brakes you can trust.
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Comfort & ClimateA/C & Heating Repair
Beat the Henderson heat — A/C recharge, compressor and full climate system repair.
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MaintenanceOil Changes & Scheduled Maintenance
30/60/90K services and oil changes that keep your warranty intact and your car reliable.
Learn moreVerified Reviews
Why Henderson trusts Newby's
SureCritic verified customer reviews
4.9 out of 5 · 1,436 verified reviews
95% five-star · Net Promoter Score 96
“They were able to get my car in right away, were courteous, explained what needed to be done, and had my car done on time.”
“I appreciate how professional and honest Newby's is. They have earned my trust!”
“Honest, ethical, straight forward, fair — and they know automotive repairs.”
Ready to get your vehicle fixed right?
Call Newby's now to talk to a real person, or request an appointment online. Honest answers, fair prices, no runaround.