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Gendan Automotive Products
Experts in car diagnostics since 2001
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Technical Articles and Information


Oxygen (Lambda) sensors
Quick guide to Oxygen (Lambda) sensors

OBDII and EOBD questions
What is EOBD, EOBD2 and OBDII?
The EOBD / OBDII 16-pin diagnostic connector (DLC)
Will EOBD tools work on my car?
Why do OBDII and EOBD tools not work on all cars from 1996 in the UK and Europe?

Manufacturer-specific information
VW / Audi / Seat / Skoda Aftermarket Radio problem
Manufacturer-specific points
Mazda RX8 Diagnostics

Fault code definitions (DTCs)
Where can I find fault (or trouble) code definitions (DTCs)?
Explanation of an EOBD / OBDII fault code (DTC)

Controller Area Network (CAN)
What is CAN (Controller Area Network)?

Top Tips series (from our newsletter)
Top Tips: Making sense of Oxygen Sensors
Top Tips: OBD-II, EOBD, EOBD2 - what's the difference?
Top Tips: Wet weather calls Jaguar tools into action
Top Tips: Misfires and ignition coils

General car diagnostic information
Fuel contamination problem in South East England - Silicone coating Oxygen Sensors
Near-side and off-side of a car - which way round?
Common car diagnostic acronyms
Service light reset procedures
Helping Keep Your Engine Healthy

Product information
PC-based diagnostic tool comparison (EOBD/OBDII tools)
PC-based diagnostic tool comparison (VW/Audi/Seat/Skoda)
Handheld tools comparison
Latest diagnostic software versions

Company information
Gendan and the Environment: RoHS and WEEE
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