Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC1997GRAND PRIX GTP, 4D SEDANREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXENGINE PERFORMANCE DTCS (3.8L)
1997 Pontiac Grand Prix GTP, 4D Sedan
Engine Performance DTCS (3.8L)
1997 Pontiac Grand Prix GTP, 4D SedanSECTION Engine Performance DTCS (3.8L)
ENGINE PERFORMANCE DTCS (3.8L)
| DTC | Description |
|---|---|
| P0101 | MAF SENSOR SYSTEM PERFORMANCE |
| P0102 | MAF SENSOR CIRCUIT LOW FREQUENCY |
| P0103 | MAF SENSOR CIRCUIT HIGH FREQUENCY |
| P0107 | MAP SENSOR CIRCUIT LOW VOLTAGE |
| P0108 | MAP SENSOR CIRCUIT HIGH VOLTAGE |
| P0112 | IAT SENSOR CIRCUIT LOW VOLTAGE |
| P0113 | IAT SENSOR CIRCUIT HIGH VOLTAGE |
| P0117 | ECT SENSOR CIRCUIT LOW VOLTAGE |
| P0118 | ECT SENSOR CIRCUIT HIGH VOLTAGE |
| P0121 | TP SENSOR SYSTEM PERFORMANCE |
| P0122 | TP SENSOR CIRCUIT LOW VOLTAGE |
| P0123 | TP SENSOR CIRCUIT HIGH VOLTAGE |
| P0125 | ECT SENSOR EXCESSIVE TIME TO REACH CLOSED LOOP |
| P0131 | HO2S 1 CIRCUIT LOW VOLTAGE |
| P0132 | HO2S 1 CIRCUIT HIGH VOLTAGE |
| P0133 | HO2S 1 SLOW RESPONSE |
| P0134 | HO2S 1 CIRCUIT INSUFFICIENT ACTIVITY |
| P0135 | HO2S 1 HEATER CIRCUIT |
| P0137 | HO2S 2 CIRCUIT LOW VOLTAGE |
| P0138 | HO2S 2 CIRCUIT HIGH VOLTAGE |
| P0140 | HO2S INSUFFICIENT ACTIVITY SENSOR 2 |
| P0141 | HO2S HEATER CIRCUIT SENSOR 2 |
| P0171 | FUEL TRIM SYSTEM LEAN |
| P0172 | FUEL TRIM SYSTEM RICH |
| P0300 | ENGINE MISFIRE DETECTED |
| P0301 | ENGINE MISFIRE DETECTED |
| P0302 | ENGINE MISFIRE DETECTED |
| P0303 | ENGINE MISFIRE DETECTED |
| P0304 | ENGINE MISFIRE DETECTED |
| P0305 | ENGINE MISFIRE DETECTED |
| P0306 | ENGINE MISFIRE DETECTED |
| P0307 | ENGINE MISFIRE DETECTED |
| P0308 | ENGINE MISFIRE DETECTED |
| P0325 | KNOCK SENSOR MODULE CIRCUIT |
| P0326 | KNOCK SENSOR CIRCUIT HIGH VOLTAGE |
| P0327 | KNOCK SENSOR CIRCUIT LOW VOLTAGE |
| P0336 | 18X REFERENCE SIGNAL CIRCUIT |
| P0341 | CAMSHAFT POSITION SENSOR CIRCUIT PERFORMANCE |
| P0401 | EGR SYSTEM INSUFFICIENT FLOW |
| P0420 | TWC SYSTEM LOW EFFICIENCY |
| P0441 | EVAP SYSTEM NO FLOW DURING PURGE |
| P0442 | EVAP SYSTEM SMALL LEAK DETECTED |
| P0446 | EVAP SYSTEM CANISTER VENT BLOCKED |
| P0506 | IAC SYSTEM RPM LOW |
| P0507 | IAC SYSTEM RPM HIGH |
| P0530 | A/C REFRIGERANT PRESSURE SENSOR CIRCUIT |
| P0560 | SYSTEM VOLTAGE |
| P0601 | PCM MEMORY |
| P0602 | PCM NOT PROGRAMMED |
| P0705 | TRANSAXLE RANGE SWITCH CIRCUIT |
| P0706 | TRANSAXLE RANGE SYSTEM PERFORMANCE |
| P1106 | MAP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE |
| P1107 | MAP SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE |
| P1111 | IAT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE |
| P1112 | IAT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE |
| P1114 | ECT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE |
| P1115 | ECT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE |
| P1121 | TP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE |
| P1122 | TP SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE |
| P1133 | HO2S INSUFFICIENT SWITCHING SENSOR 1 |
| P1134 | HO2S TRANSITION TIME RATIO SENSOR 1 |
| P1200 | INJECTOR CONTROL CIRCUIT |
| P1336 | CKP SYSTEM VARIATION NOT LEARNED |
| P1350 | IGNITION CONTROL (IC) CIRCUIT |
| P1361 | IGNITION CONTROL (IC) CIRCUIT NOT TOGGLING |
| P1374 | 3X REFERENCE CIRCUIT |
| P1380 | EBTCM DTC DETECTED ROUGH ROAD DATA UNUSABLE |
| P1381 | MISFIRE DETECTED NO EBCM/PCM SERIAL DATA |
| P1406 | EGR VALVE PINTLE POSITION CIRCUIT |
| P1441 | EVAP EMISSIONS SYSTEM FLOW DURING NON-PURGE (VIN K) |
| P1554 | CRUISE CONTROL STATUS CIRCUIT |
| P1571 | TRACTION CONTROL SYSTEM DESIRED TORQUE CIRCUIT |
| P1573 | EBTCM/PCM SERIAL DATA CIRCUIT |
| P1602 | EBCM/EBTCM SERIAL DATA CIRCUIT |
| P1605 | HVAC SERIAL DATA CIRCUIT (REGAL ONLY) |
| P1610 | STANDARD BODY MODULE SERIAL DATA CIRCUIT |
| P1626 | THEFT DETERRENT SYSTEM FUEL ENABLE CIRCUIT |
| P1630 | THEFT DETERRENT SYSTEM PCM IN LEARN MODE |
| P1631 | THEFT DETERRENT SYSTEM PASSWORD INCORRECT |
| P1635 | 5 VOLT-REFERENCE "A" CIRCUIT |
| P1639 | 5 VOLT-REFERENCE "B" CIRCUIT |
| P1641 | MIL CIRCUIT |
| P1643 | FUEL PUMP PULSE WIDTH MODULATION PWM) CONTROL CIRCUIT |
| P1645 | BOOST CONTROL SOLENOID CONTROL CIRCUIT |
| P1651 | FAN 1 RELAY CONTROL CIRCUIT |
| P1652 | FAN 2 RELAY CONTROL CIRCUIT |
| P1653 | TRACTION CONTROL SYSTEM (TCS) DELIVERED TORQUE CONTROL CIRCUIT |
| P1654 | A/C RELAY CONTROL CIRCUIT |
| P1655 | EVAP EMISSION PURGE SOLENOID CONTROL CIRCUIT |
| P1662 | CRUISE CONTROL INHIBIT CIRCUIT |
| P1675 | EVAP EMISSION VENT SOLENOID CONTROL CIRCUIT |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.