Contents Section: Mechanical All sections

Engine Diagnosis - Performance Chrysler Crossfire I final

CONDITIONPOSSIBLE CAUSESCORRECTION
ENGINE WILL NOT CRANK1. Weak or discharged battery.1. Charge or replace battery as necessary. Check charging system.
2. Corroded or loose battery connections.2. Clean/tighten battery/starter connections.
3. Faulty starter or related circuits.3. Check starting system.
4. Remove accessory drive belt and attempt to start engine. If engine cranks, repair/replace seized component.
5. Engine internal mechanical failure or hydrostatic lock.5. Refer to standard procedure - HYDROSTATIC LOCKED ENGINE .
ENGINE CRANKS BUT WILL NOT START1. No spark.1. Check for spark.
2. No fuel.2. Perform fuel pressure test.
3. Low or no engine compression.3. Perform cylinder compression test.
ENGINE LOSS OF POWER1. Worn or incorrect gapped spark plugs.1. Replace spark plugs or set gap.
2. Dirt or water in fuel system.2. Clean system and replace fuel filter.
3. Faulty fuel pump.3. Replace fuel pump.
4. Incorrect valve timing.4. Correct valve timing.
5. Blown cylinder head gasket(s).5. Replace cylinder head gasket(s).
6. Low compression.6. Test cylinder compression.
7. Burned, warped, or pitted valves.7. Install new or reface valves as necessary.
8. Plugged or restricted exhaust.8. Replace parts as necessary.
9. Faulty ignition cables.9. Replace ignition cables as necessary.
10. Faulty coil(s).10. Test and replace as necessary.
ENGINE STALLS OR ROUGH IDLE1. Carbon build-up on throttle plate(s).1. Remove throttle body(s) and de-carbon.
2. Engine idle speed too low.2. Check Idle Air Control circuit.
3. Worn or incorrectly gapped spark plugs.3. Replace spark plugs or set gap.
4. Faulty or crossed ignition cables.4. Check for correct firing order or replace ignition cables as necessary.
5. Faulty coil(s).5. Test and replace as necessary.
6. Intake manifold vacuum leak.6. Inspect intake manifold gasket and vacuum hoses. Replace as necessary.
ENGINE MISSES ON ACCELERATION1. Worn or incorrectly gapped spark plugs.1. Replace spark plugs or set gap.
2. Faulty ignition cables.2. Replace ignition cables as necessary.
3. Dirt or water in fuel system.3. Clean system and replace fuel filter.
4. Burned, warped, or pitted valves.4. Install new or reface valves as necessary.
5. Faulty coil(s).5. Test and replace as necessary.