Ignition Timing Adjustments (2.5L)
NOTE: Run the engine at idle, in Park on 4EAT (automatic transmission)
vehicles, or Neutral on MTX (manual transmission) vehicles.
- Warm the engine to normal operating temperature at idle.
- Turn all of the electrical load off (radio, A/C, fan, etc.).
- Connect Rotunda Digital Tachometer/Multimeter 055-00101 or
equivalent to number one spark plug wire.
- Connect the timing light to the engine.
- Connect terminals STI(TEN) and GND of the Data Link Connector with a
jumper wire.

- Verify the idle speed is 650 ± 50 rpm. If idle is not within
specifications, refer to Section 03-01B.
- Check ignition timing. Timing should be 9-11° BTDC.

- If the timing is not within specifications, loosen the distributor
hold-down bolts.
- Turn the distributor until the correct timing is achieved.
- Tighten the distributor hold-down bolts to 19-25 N-m (14-18 lb-ft).
- Remove the tachometer, timing light and jumper wire.
Specifications (2.5L)
GENERAL SPECIFICATIONS |
Description |
Specifications |
Engine Firing Order |
1-2-3-4-5-6 |
Engine Timing |
9-11° |
Engine Idle Speed |
650 ± 50 rpm |
Spark Plug Gap |
1.0-1.1mm (0.039-0.043 inch) |
TORQUE SPECIFICATIONS |
Description |
N-m |
Lb-Ft |
Lb-In |
Fresh Air Duct Nuts and Bolts |
8-10 |
- |
71-88 |
Air Cleaner Assembly Nuts and Bolt |
19-25 |
14-18 |
- |
Distributor Hold-down Bolts |
19-25 |
14-18 |
- |
Distributor Hold-down Bolts |
115-22 |
11-16 |
- |
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