How to Get Service Engine Codes on a 1989 Delta 88 Royale?

Answer Prior to the introduction of OBD-II (on-board diagnostics, series 2) in 1992, several manufacturers including GM used a type of interface called ALDL (assembly line diagnostics link). While ALDL pe... Read More »

Top Q&A For: How to Get Service Engine Codes on a 1989 Delta...

How do I Install a Water Pump in a 1994 Oldsmobile Delta 88 Royale?

The Oldsmobile Delta 88 was introduced in 1949, and is commonly referred to as the "Olds 88." The 1994 Oldsmobile Delta 88 was smaller than its ancestors and equipped with a 3.8-liter V-6 engine. T... Read More »

How to Clear the Service Engine Soon Codes?

Vehicles sold in the United States before the 1996 model-year had a variety of different on-board computer diagnostic systems. Each manufacturer developed its own diagnostic procedures and trouble ... Read More »

How to Read Pontiac Montana Service Engine Soon Codes?

If your "Service Engine Soon" light has come on in your Pontiac Montana, it means that one of the sensors that monitors myriad functions of your engine, transmission, or exhaust system has recorded... Read More »

Error Codes From the Service Engine Light for a 1987 Camaro?

The diagnostic computer (OBD) monitors sensors throughout modern vehicles and lights a warning when it detects problems. The OBD also stores a code to identify the problem. For post-1995 vehicles, ... Read More »