Engine Management Code Reading

The £10 ebay special code readers are useless for garages, they don't give anywhere near enough information and have zero programming options that we require. Useful only for getting generic error codes out of some makes and models but that's about it. There are many parts that we fit now that require going in via diagnostics to set-up, without equipment capable of that the whole job is impossible to do. That's why we charge money for testing, not because its a rip off but because we have to have £15,000 worth of equipment with £2000 a year software updates in order to actually do anything about that error code that has popped up.
 
P1420 on a Honda will tell you the cat is stuff or the lambda sensor is duff.

Its a code to type into google and come up with some educated guess/ documented history rather than 'check engine light Honda Civic' will give.

To me thats appears to be a useful bit of info for the cost outlay.
 
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