AP Diesel Diagnostics
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Expert diagnostic solutions for heavy-duty diesel trucks. Mobile service available. Serving Houston and surrounding areas. Saturday -Sunday 24 hours available.
Monday - Friday available with appointment after 12pm .
06/14/2026
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06/04/2026
Wheel seal leaking
06/04/2026
Replace tensioners and pulleys
05/28/2026
Today work . transmission oil change. Air purge valve leaking and found a short on TCM wires .
05/27/2026
🚛⚠️ CHECK ENGINE LIGHT? ABS LIGHT? EMISSIONS PROBLEMS? ⚠️🚛
Don’t ignore warning lights on your truck — small problems can quickly turn into expensive breakdowns and downtime.
At AP Diesel Diagnostics, we provide professional mobile diagnostics and repair services for heavy-duty trucks and equipment across the Houston area.
✅ Check Engine Light Diagnostics
✅ ABS & Brake System Diagnostics
✅ Emissions / DPF / DEF Repairs
✅ Electrical Troubleshooting
✅ Forced Regens & Aftertreatment Diagnostics
✅ Wiring & Sensor Repair
✅ No-Start & Derate Issues
✅ Mobile Roadside Service
We use professional diagnostic equipment to accurately identify the problem and get your truck back on the road fast.
📍 Mobile Diesel Service – Houston Area
📞 Call or Message Us Today
🔧 AP Diesel Diagnostics
“Keeping Your Truck Moving.”
05/22/2026
Another A26 same issue went a couple times to the dealer.
05/21/2026
ABS module configuration, lost communication.
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Contact the business
Telephone
Website
Address
Houston, TX
77521
Opening Hours
| Monday | 12pm - 7pm |
| Tuesday | 12pm - 7pm |
| Wednesday | 12pm - 7pm |
| Thursday | 12pm - 7pm |
| Friday | 12pm - 7pm |
| Saturday | 12am - 12am |
| Sunday | 12am - 12am |