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1996 Jeep Grand Cherokee Laredo 5.2L No Start
Posted to Chrysler Driveability on 2/8/2012 11 Replies

At times the engine will crank (strong) & not start. There is no injector pulse at the injectors. Monitoring spark-consant at the spark tester connected inline between the coil & coil wire. Fuel presure is steady @ 48 psi. Battery voltage is present @ injector...

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car Vehicle Data

1996 Jeep Grand Cherokee Laredo

VIN 1J4GZ58Y7T
Engine5.2 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

P0720Countershaft Speed Sensor Circuit Malfunction
P1389No Auto Shutdown Relay Output Voltage To PCM
Message Closed w/FIX

car Vehicle Data

1996 Jeep Grand Cherokee Laredo

VIN 1J4GZ58Y7T
Engine5.2 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

P0720Countershaft Speed Sensor Circuit Malfunction
P1389No Auto Shutdown Relay Output Voltage To PCM