OBD

1. Acronym for On-Board Diagnosis
2. Acronym for On-Board Diagnostics

OBD I

Acronym for On Board Diagnostics Version I

OBD II

Acronym for On-Board Diagnostic system -- second series.

OBD STAT

Acronym for On Board Diagnostic System Status

OBD TRIP

A journey during which all OBD tests have been completed.

Objectives

See

• Program objectives

Oblique crash test

You have seen crash tests where the vehicle slams into a brick wall, but what happens if your vehicle is hit on the front corner. Do you still have the same kind of protection? The oblique crash test determines a vehicle's ability to withstand crashes which may occur to any of its four corners.

OBO

Acronym for or best offer which indicates that the seller is willing to negotiate. If you offered $10 for a vehicle and you were the only one who made an offer, technically your offer is the best. However most sellers understand $3000 obo as meaning about $3000, maybe less. Some think it means "I'll sell it for $3000; but if someone offers $4000, I will take that instead."

OBO ship

Acronym for Ore-bulk-oil carrier. A multipurpose ship that can carry ore, dry bulk goods, and oil.

OBRO

Acronym for or best reasonable offer.

Observation

See

• Back Observation

Observer

See

• Automatic Observer

Obsolescence

See

• Planned obsolescence.

Obstruction wrench

A bent ring wrench for reaching around manifold and other obstacles to work on parts with difficult access, such as starters or alternators

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