Hi,My name is Tim,
I will do my best to assist you
does the engine light stay on?if so,can you give me the computer codes?
are you there?
no engine light at all no warning at all. no funny noises. the switch the batterry start up every thing is normal . like I said so far you can then wait a few min. and it starts
does it always start when the engine is cold?
yes always it could be amonth or it could do this today after driving it all day with turning the truck on and off all day long
ok..sense the engine light doesnt stay on..and there are no codes
i think your problem may be the crank sensor
I should say starting the truck all day long
the crank sensor will do this when they go bad,,and,most times not give a code for it
when the crank sensor does this and the problem is intermediate,,testing it may not help
you will just need to replace it
Engine Controls Component ViewsEngine Controls Components 2 of 5
1 - Manifold Absolute Pressure (MAP) Sensor2 - Evaporative Emission (EVAP) Canister Purge Solenoid3 - Knock Sensor4 - Starter5 - Crankshaft Position (CKP) Sensor6 - G1027 - G1038 - G1019 - A/C Compressor Clutch (C60)10 - Engine Block Heater11 - Generator
Crankshaft Position Sensor ReplacementRemoval Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting. 2. Disconnect the engine wiring harness electrical connector (3) from the crankshaft position (CKP) sensor (1).
3. Remove the CKP sensor bolt. 4. Remove the CKP sensor from the engine block. Discard the O-ring seals.Installation Procedure 1. Install new O-ring seals to the CKP sensor. 2. Lightly lubricate the O-ring seals with clean engine oil.
3. Install the CKP sensor into the engine block. 4. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the CKP sensor bolt threads. Notice: Refer to Fastener Notice in Service Precautions. 5. Install the CKP sensor bolt. Tighten the bolt to 10 N.m (89 lb in).
6. Connect the engine wiring harness electrical connector (3) to the CKP sensor (1). 7. Lower the vehicle. 8. Perform the crankshaft (CKP) system variation learn procedure.
ok some one else said something similar sounds reasonable
Crankshaft Position System Variation LearnImportant: The crankshaft position (CKP) system variation learn procedure is required when the following service procedures have been performed, regardless of whether DTC P0315 is set: * Engine replacement * ECM replacement * ECM reprogramming * Crankshaft damper replacement * Crankshaft replacement * CKP sensor replacement * Any engine repairs which disturb the crankshaft to CKP sensor relationshipImportant: The scan tool monitors certain component signals to determine if all the conditions are met to continue with the CKP system variation learn procedure. The scan tool only displays the condition that inhibits the procedure. The scan tool monitors the following components: * CKP sensor activity-If there is a CKP sensor condition, refer to the applicable DTC that set. * Camshaft position (CMP) signal activity-If there is a CMP signal condition, refer to the applicable DTC that set. * Engine coolant temperature (ECT)-If the engine coolant temperature is not warm enough, idle the engine until the engine coolant temperature reaches the correct temperature. 1. Install a scan tool. 2. Monitor the engine control module (ECM) for DTCs with a scan tool. If other DTCs are set, except DTC P0315, refer to Diagnostic Trouble Code (DTC) List - Vehicle for the applicable DTC that set. 3. With a scan tool, select the CKP system variation learn procedure within the Special Functions menu and perform the following: 1. Observe the fuel cut-off for the applicable engine. 2. Block the drive wheels. 3. Set the parking brake. 4. Place the vehicle's transmission in Park or Neutral. 5. Turn the air conditioning (A/C) OFF. 6. Cycle the ignition from OFF to ON. 7. Apply and hold the brake pedal for the duration of the procedure. 8. Start and idle the engine. 9. Accelerate to wide open throttle (WOT). The engine should not accelerate beyond the calibrated fuel cut-off RPM value noted in step 3.1. Release the throttle immediately if the value is exceeded. Important: While the learn procedure is in progress, release the throttle immediately when the engine starts to decelerate. The engine control is returned to the operator and the engine responds to throttle position after the learn procedure is complete. 10. Release the throttle when fuel cut-off occurs. 4. The scan tool displays Learn Status: Learned this Ignition. If the scan tool indicates that DTC P0315 ran and passed, the CKP variation learn procedure is complete. If the scan tool indicates DTC P0315 failed or did not run, refer to DTC P0315. If any other DTCs set, refer to Diagnostic Trouble Code (DTC) List - Vehicle for the applicable DTC that set. 5. Turn OFF the ignition for 30 seconds after the learn procedure is completed successfully.
yes,,,from the way you explain
this seems to be the problem
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hold on i am trying to print
you really dont need to print
i will leave this on here
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