Check Engine Light Diagnostics in Midland, TX

A lit check engine light means your vehicle’s computer has stored one or more trouble codes. Our ASE-certified technicians at Danny’s Automotive in Midland, TX use professional scan tools to read codes, review freeze-frame data, verify failures, and pinpoint the real cause before any parts are replaced. Since 1986, we’ve helped West Texas drivers get accurate answers and reliable repairs the first time.

If the light is flashing, reduce speed and get the vehicle checked immediately. A flashing MIL usually indicates a misfire severe enough to cause overheating and damage the catalytic converter.

What we do during a CEL diagnostic

• Code and data capture
  Retrieve diagnostic trouble codes, freeze-frame snapshots, and live data to see the conditions when the fault set.
• Root-cause testing
  Perform guided tests on sensors, ignition and fuel systems, EVAP, airflow and vacuum paths, and charging system as needed.
• Readiness and repair verification
  Check OBD-II readiness monitors and complete drive-cycle verification so fixes stick and the light stays off. 
• Clear estimates and photos
  You get a straightforward plan with upfront costs and a digital multi-point inspection for transparency.
  

All 1996 and newer gasoline passenger vehicles were built with OBD-II systems that store standard codes and data to aid diagnosis.

Common symptoms and when to visit

• Light on solid, engine runs normally.
• Light on with rough idle, hesitation, or poor MPG.
• Light flashing under load or while climbing.
• Fuel cap message, fuel odors, or frequent “tighten gas cap” reminders.
• Failed emissions self-tests or monitors not ready.

If the light is flashing or the engine runs poorly, have the vehicle inspected as soon as possible to avoid converter damage.

Codes we see often in Midland, TX

• P0300 Random/Multiple Misfire
  It can be coils, plugs, fuel, vacuum leaks, or compression issues. Continued driving risks converter damage.
• P0420 Catalyst System Efficiency Below Threshold
  This code indicates the catalytic converter is not operating at the expected efficiency. It’s detected by comparing readings from the upstream and downstream O₂ sensors; proper diagnosis determines whether the fault lies with the converter or with an upstream cause.
• P0455 / P0457 EVAP System Leak
  Large leak or gas cap loose/off. We smoke-test the EVAP system and inspect hoses, valves, and the cap.

(Codes point to a system that needs testing, not a part to replace automatically.)

Why choose Danny’s Automotive

• Experienced team with advanced OBD-II diagnostics and drivability expertise
  
• Factory-level tools to read manufacturer-specific data and perform drive-cycle and readiness checks
  
• Only the repair you need with clear estimates and photos
  
• Quality parts and workmanship backed by a 5-year or 50,000-mile nationwide warranty on qualifying repairs
  
• Time-saving perks like a complimentary shuttle and after-hours drop-off lock box

Schedule check engine light diagnostics in Midland, TX

Do not guess and replace parts. Get a precise diagnostic so the light stays off for good. Contact us today or call (432) 684-8665. Visit 1904 W Front St, Midland, TX 79701. We serve Midland, Odessa, Greenwood, Gardendale, Stanton, and Big Spring.