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Ridwan
@diagexpertobd2
Automotive Diagnostic expert
Indonesia
English, Indonesian
About me
Certified auto mechanic from Indonesia with 15+ years experience in engine diagnostics and electrical repair for Asian vehicles. I specialize in reading OBD2 trouble codes for Toyota, Suzuki, Nissan, Honda, Mazda using Diagzone, Autel, and Launch professional scanners. Expert in fixing Check Engine Light, U0121 CAN Bus communication faults, P0420 catalyst efficiency, P0300 random misfire, and complex wiring issues. I provide clear step-by-step diagnosis reports with photos so you can fix your car fast and save thousands at local shops.
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Ridwan
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Technical Support
I will diagnose car check engine light obd2 trouble codes u0121 p0420
