626 1999-2001

Adjustment

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NOTE
If the information given in the following procedures differs from that on the emission information label located in the engine compartment, follow the directions given on the label. The label often reflects production changes made during the model year.

2.3L Engines



Specific to:

Mazda 626 1999-2000

Mazda Miata 1999-2000

Mazda Millenia 1999-2000

Mazda Protege 1999-2000

The 2.3L engine utilizes individual ignition coils for each cylinder. The timing is controlled by the computer. Ignition timing adjustment is not possible or necessary.

Except 2.3L Engines



Specific to:

Mazda 626 1999-2000

Mazda Miata 1999-2000

Mazda Protege 1999-2000

  1. Apply the parking brake. If equipped with a manual transaxle, place the shifter in the neutral position. If equipped with an automatic transaxle, place the shift lever in P .
  2.  
  3. Locate the timing marks on the crankshaft pulley and timing belt lower cover. The engine may have to be cranked slightly to see the mark on the crankshaft pulley.
  4.  
  5. Start the engine and allow it to come to normal operating temperature. Be sure all accessories are OFF .

    Click image to see an enlarged view

    Fig. Jumper the connections shown on the data link-except 626 with ATX



    Click image to see an enlarged view

    Fig. Remove the shorting bar from the spout connector-626 with ATX

  6.  
  7. Check the idle speed and adjust, if necessary.
  8.  
  9. Turn the engine OFF.
  10.  
  11. On all engines except 2.0L engine with an automatic transaxle, connect a jumper wire between the TEN terminal and the GND terminal at the underhood diagnosis connector.
  12.  
  13. On the 2.0L engine with an automatic transaxle, remove the shorting bar from the double wire SPOUT connector.
  14.  
  15. Connect an inductive timing light according to the manufacturer's instructions.

    Click image to see an enlarged view

    Fig. Connect an inductive timing light and aim it at the crankshaft pulley. Read the pulley mark against the scale

  16.  
  17. Start the engine and allow the idle to stabilize. Aim the timing light at the timing marks.
  18.  
  19. The mark on the crankshaft pulley should align with the specified Before Top Dead Center (BTDC) degree mark on the timing cover scale, plus or minus 1 degree. If the marks are within alignment proceed with step 13. If the marks are not aligned, proceed to Step 12.

    Click image to see an enlarged view

    Fig. If adjustment is necessary, loosen the distributor lockbolts and rotate it until the mark is aligned

  20.  
  21. Loosen the distributor lockbolts just enough to turn the distributor. While aiming the timing light at the timing marks, turn the distributor until the marks are aligned. Tighten the distributor lockbolts to 14-19 ft. lbs. (19-25 Nm) and recheck the timing.
  22.  
  23. The ignition timing is now set. Disconnect the jumper wire from the underhood diagnosis connector or install the shorting bar from the double wire SPOUT connector.
  24.  
  25. Remove all test equipment.
  26.  

 
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