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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 240 (Engine Controls (Troubleshooting & Diagnosis) - 2.2L (L61)) >> Troubleshooting >> Engine Cranks but Does Not Run >> Test Description

Test Description

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

  1. 4:  While cranking the engine, the crankshaft position (CKP) activity should increment to 255, then rollover to 0.
Engine Cranks but Does Not Run

Step Action Value(s) Yes No
1 Did you perform the Diagnostic System Check-Engine Controls? - Go to Step 2  Go to Diagnostic System Check - Engine Controls
2
  1. Turn ON the ignition, with the engine OFF.
  2. Observe the DTC Information with a scan tool.
Does the scan tool display DTCs P0336, P0601, P0602, P1621, P1631, or P1632?		 - Go to Diagnostic Trouble Code (DTC) List Go to Step 3 
3 Does the scan tool display any body control module (BCM) vehicle theft deterrent (VTD) DTCs? - Go to Diagnostic Trouble Code (DTC) List in Theft Deterrent Go to Step 4 
4 
  1. Attempt to start the engine.
  2. Monitor the CKP activity counter while the engine is cranking, with a scan tool.
Does the CKP activity counter increment while cranking the engine?		 - Go to Step 5  Go to Electronic Ignition (EI) System Diagnosis (With Special Tool)  or Electronic Ignition (EI) System Diagnosis (Without Special Tool) 
5 Command the fuel pump ON with a scan tool.
Does the fuel pump operate?		 - Go to Step 6  Go to Fuel Pump Electrical Circuit Diagnosis 
6
  1. Turn OFF the ignition.
  2. Remove the ignition coil housing. Refer to Ignition Coil Housing Replacement .
    3. IMPORTANT: Not grounding the ignition coil housing, may cause erratic spark.
  3. Install a jumper wire with clips on both ends from the top of the ignition control module to ground.
  4. Install the J 36012-A  Ignition System Diagnostic Harness.
  5. Install a J 26792  Spark Tester on #1 spark plug jumper wire.
  6. Ground #4, companion to #1, spark plug jumper wire.
  7. Crank the engine with the remaining spark plug jumper wires connected.
  8. Repeat the above steps by installing the spark tester on #4 and grounding #1. Do the same for #2 and #3 spark plugs. Making sure the companion wire is grounded.
Does the spark tester spark on all cylinders?		 - Go to Step 7  Go to Electronic Ignition (EI) System Diagnosis (With Special Tool)  or Electronic Ignition (EI) System Diagnosis (Without Special Tool) 
7
  1. Turn OFF the ignition.
  2. Disconnect an injector connector.
  3. Install the J 34730-405  Injector Test Lamp to the injector connector.
  4. Attempt to start the engine.
Does the test lamp blink while the engine is cranking?		 - Go to Step 8  Go to Fuel Injector Circuit Diagnosis 
8
  1. Turn OFF the ignition.
  2. Install a fuel pressure gage. Refer to Fuel Pressure Gage Installation and Removal .
  3. Turn ON the ignition, with the engine OFF.
  4. Command the fuel pump ON with a scan tool.
Is the fuel pressure within the specified range while the fuel pump is operating?		 345-414 kPa (50-60 psi) Go to Step 9  Go to Fuel System Diagnosis 
9 Inspect for the following conditions:
Did you complete the action?		 - Go to Step 10  -
10
  1. Clear the DTCs with a scan tool.
  2. Turn OFF the ignition for 30 seconds.
  3. Attempt to start the engine.
Does the engine start then continue to run?		 - Go to Step 11  Go to Step 2 
11
  1. Allow the engine to reach operating temperature.
  2. Observe the DTC information with a scan tool.
Are there any DTCs that have not been diagnosed?		 - Go to Diagnostic Trouble Code (DTC) List System OK
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