Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
The 1996 model is fully OBD-II and does not have the diagnostics port under the hood. Instead you must buy a code reader or go to autozone and get them to read your codes. The port is under that little coin holder thing to the front of the ashtray.