ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed and throttle wide open.
| Application | Specification |
|---|
| Compression Ratio | 9.4:1 |
| Compression Pressure | 185 psi (1275 kPa) |
| Minimum Compression Pressure | 139 psi (958 kPa) |
| Maximum Variation Between Cylinders | 14 psi (100 kPa) |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
Note. Hydraulic lifters used. No adjustments are required.
IGNITION COIL
| Application | Primary | Secondary |
|---|
| 2.5L | .60-.80 | 12,000-18,000 |
IGNITION COIL RESISTANCE - Ohms @ 70°F (21°C)
HIGH TENSION WIRE RESISTANCE
| Application | Ohms |
|---|
| 2.5L | (1) 22,000 |
| (1) Maximum wire resistance as listed. |
| (1) | Maximum wire resistance as listed. |
HIGH TENSION WIRE RESISTANCE
SPARK PLUGS
| Application | Champion No. |
|---|
| 2.5L | (2) RC10PYP4 |
| (1) Check spark plug application on underhood vehicle emission control label. If application differs from application listed, use application on underhood vehicle emission control label. (2) NGK PFR5J-11 or Nippondenso PK16PR-P11 spark plugs may also be used. |
| (1) | Check spark plug application on underhood vehicle emission control label. If application differs from application listed, use application on underhood vehicle emission control label. |
| (2) | NGK PFR5J-11 or Nippondenso PK16PR-P11 spark plugs may also be used. |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|
| 2.5L | .039-.043 (1.00-1.10) | 18 (24) |
| (1) Check spark plug gap specification on underhood vehicle emission control label. If specification differs from that listed above, use specification on underhood vehicle emission control label. |
| (1) | Check spark plug gap specification on underhood vehicle emission control label. If specification differs from that listed above, use specification on underhood vehicle emission control label. |
SPARK PLUG SPECIFICATIONS (1)
Scheme 2
Scheme 2: FIRING ORDER & TIMING MARKS
IGNITION TIMING
| Application | Specification |
|---|
| Avenger & Sebring | (1) |
| (1) Ignition timing is controlled by Powertrain Control Module (PCM) and is nonadjustable. DO NOT attempt to adjust ignition timing. |
| (1) | Ignition timing is controlled by Powertrain Control Module (PCM) and is nonadjustable. DO NOT attempt to adjust ignition timing. |
IGNITION TIMING (Degrees BTDC @ RPM)
FUEL PUMP
| Application | Pressure - psi (kPa) |
|---|
| 2.5L | (1) 47-50 (324-344) |
| (1) Manufacturer lists fuel pressure with engine off, ignition on and using scan tool to activate fuel pump. |
| (1) | Manufacturer lists fuel pressure with engine off, ignition on and using scan tool to activate fuel pump. |
INJECTOR RESISTANCE
| Application | Ohms |
|---|
| 2.5L | 13-16 |
INJECTOR RESISTANCE SPECIFICATIONS - Ohms @ 68°F (20°C)
IDLE SPEED & MIXTURE
| Application | (1) Idle RPM | CO Level |
|---|
| 2.5L | (2) 650-850 | .5% |
| (1) Check idle speed with transaxle in Park (A/T) or Neutral (M/T) and all accessories off. (2) Idle speed is controlled by Powertrain Control Module. No adjustment is required. Only throttle body minimum airflow idle speed may be checked. |
| (1) | Check idle speed with transaxle in Park (A/T) or Neutral (M/T) and all accessories off. |
| (2) | Idle speed is controlled by Powertrain Control Module. No adjustment is required. Only throttle body minimum airflow idle speed may be checked. |
THROTTLE BODY MINIMUM AIRFLOW IDLE SPEED
| Application | RPM |
|---|
| 1000 Miles Or Less | (2) 450-1100 |
| More Than 1000 Miles | (2) 500-1100 |
| (1) Specs listed in accordance with vehicle mileage. (2) Specs listed with Air Metering Fitting (6457) installed. |
| (1) | Specs listed in accordance with vehicle mileage. |
| (2) | Specs listed with Air Metering Fitting (6457) installed. |
THROTTLE BODY MIN. AIRFLOW IDLE SPEED SPECS (1)
THROTTLE POSITION SENSOR
Note. Information not available at time of publication.
