AP Diesel Diagnostics

AP Diesel Diagnostics Expert diagnostic solutions for heavy-duty diesel trucks. Mobile service available. Serving Houston and surrounding areas.

Today work . transmission oil change. Air purge valve leaking and found a short on TCM wires .
05/28/2026

Today work . transmission oil change. Air purge valve leaking and found a short on TCM wires .

🚛⚠️ CHECK ENGINE LIGHT? ABS LIGHT? EMISSIONS PROBLEMS? ⚠️🚛Don’t ignore warning lights on your truck — small problems can...
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.”

Another A26 same issue went a couple times to the dealer.
05/22/2026

Another A26 same issue went a couple times to the dealer.

ABS module configuration, lost communication.
05/21/2026

ABS module configuration, lost communication.

Scan for contact
05/20/2026

Scan for contact

05/20/2026
Turbo WG actuator leaking and not working properly. Fixed
05/20/2026

Turbo WG actuator leaking and not working properly. Fixed

05/13/2026
Differential seal leak . Replace seal and gear oil change.
05/12/2026

Differential seal leak . Replace seal and gear oil change.

Driver complained about Throttle not working and loosing power. Found a short on the wires from one box to ECM and Pm se...
05/08/2026

Driver complained about Throttle not working and loosing power. Found a short on the wires from one box to ECM and Pm sensor bad . Fixed .

Address

Houston, TX
77521

Telephone

0684895004

Website

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