
1999 Jeep Cherokee Sport 4.0L No Start
We have checked everything on this system 3 times again. Ecm tests bad. Hard to believe 2 bad in a row - same codes. Original ecm had completely different code sets - bad checksum code - ecm bad. Help please.
FIX posted 3/3/2014
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Message Closed w/FIX
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VIN | 1J4FF68S6X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | No Start |
Occurs | Always |
Trouble Codes
P0320 | No Crank Reference Signal To PCM |
P0340 | Camshaft Position Sensor 'A' (TDC) Circuit Intermittent |
P1392 | Secondary Air Injection System |
Message Closed w/FIX
Vehicle Data
1999 Jeep Cherokee Sport
VIN | 1J4FF68S6X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | No Start |
Occurs | Always |
Trouble Codes
P0320 | No Crank Reference Signal To PCM |
P0340 | Camshaft Position Sensor 'A' (TDC) Circuit Intermittent |
P1392 | Secondary Air Injection System |