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1998 Pontiac Firebird 5.7L MIL Lamp on
Hi guys this car keeps setting code PO748 press. control ckt. fault. It set as soon as I start the engine. Ive replaced the solenoid and checked the two ckt.s in question. The computer doesn't seem to be sending the frequency [...] the solenoid. Im not sure if...
FIX posted 3/28/2003
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Message Closed w/FIX
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| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0748 | Pressure Control Solenoid Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1998 Pontiac Firebird
| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0748 | Pressure Control Solenoid Circuit Malfunction |
Video