truck will not start

It's just diagnostics. The truck's twenty-five years old and the problem could be just about anything. Check fuel, then spark, then keep going down the diagnostics list.

The truck's twenty-five years old and the problem could be just about anything. Check fuel, then spark, then keep going down the diagnostics list.

Make sure pump has a good ground , Some vehicles are particular about fuel pressure , just having it won't do . What do the plugs look like ?