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Home >> Mazda >> 1994 >> B4000 LE, 4WD, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> Engine Controls - Basic Testing >> Initial Test
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Initial Test

Check for any stored trouble codes and repair as necessary. See appropriate G - TESTS W/ CODES article in the ENGINE PERFORMANCE section below. 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 PROFILE IGNITION PICKUP (PIP) AT ICM. If no spark is indicated or spark only occurs at some spark plugs, go to CHECKING PLUGS & WIRES.

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