Initial Test
WARNING: This page is about a different car, the 1995 Mazda B4000, 1995 Mazda B3000, and 1995 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
Check for any stored trouble codes and repair as necessary. See TESTS W/CODES article. Using a high-output spark plug tester, check for spark at all spark plugs. If spark is present at ALL spark plugs, go to CHECK CRANKSHAFT POSITION (CKP) SENSOR below. If no spark is indicated or spark only occurs at some spark plugs, go to CHECKING PLUGS & WIRES below.