P1300

Random Misfire (Acura)

P1309

Misfire Monitor Disabled (Ford)

P1320

Ignition Control (IC) Module 4x Reference Circuit Intermittent No Pulses

P1323

Ignition Control (IC) Module 24x Reference Circuit low frequency

P1336

Crankshaft Position System Variation Not Learned (GM)

P1336

Crankshaft Speed Fluctuation Sensor Intermittant Interruption (Acura)

P1337

Crankshaft Speed Fluctuation Sensor No Signal (Acura)

P1350

Ignition Control System

P1351

Ignition Coil Control Circuit High Voltage (GM)

P1352

Ignition Bypass Circuit High Voltage (GM)

P1359

Crankshaft Position/TDC/Cylinder Position Sensor Connector Disconnection (Acura)

P1361

Intermittent Interruption In TDC1 Sensor Circuit (Acura)

P1361

Ignition Control (IC) Circuit Low Voltage (GM)

P1362

No Signal In TDC1 Sensor Circuit (Acura)

P1362

Ignition Bypass Circuit Low Voltage (GM)

P1366

Intermittent Interruption In TDC2 Sensor Circuit (Acura)

P1367

No Signal In TDC2 Sensor Circuit (Acura)

P1370

Ignition Control (IC) Module 4x Reference too many pulses

P1371

Ignition Control (IC) Module 4x Reference too few pulses

P1374

CKP High to Low Resolution Frequency Correlation (GM)

P1375

Ignition Control (IC) Module 24x Reference High Voltage

P1376

Ignition Ground Circuit

P1377

Ignition Control (IC) Module Cam Pulse to 4x Reference Pulse Comparison

P1380

EBTCM DTC Detected-Rough Data Unusable

P1380

Variable Cam Timing Solenoid A Circuit Malfunction (Ford)

P1381

Misfire Detected-No EBTCM/PCM Serial Data

P1381

Cylinder Position Sensor Intermittant Inturruption (Acura)

P1381

Variable Cam Timing Over-advanced (Bank 1) (Ford)

P1382

Cylinder Position Sensor No Signal (Acura)

P1383

Variable Cam Timing Over-retarded (Bank 1) (Ford)

P1388

Auto Shutdown Relay Circuit (Chrysler)

P1389

No ASD Relay Output Voltage At PCM (Chrysler)

P1390

Timing Belt Skipped One Tooth or More (Chrysler)

P1390

Octane Adjust Out Of Range (Mazda)

P1391

Intermittent Loss of CMP or CKP (Chrysler)

P1398

Mis-Fire Adapter Numerator at Limit (Chrysler)

P1399

Wait To Start Lamp Circuit (Chrysler)

P0300

Random/Multiple Cylinder Misfire Detected

P0301

Cylinder 1 Misfire Detected

P0302

Cylinder 2 Misfire Detected

P0303

Cylinder 3 Misfire Detected

P0304

Cylinder 4 Misfire Detected

P0305

Cylinder 5 Misfire Detected

P0306

Cylinder 6 Misfire Detected

P0307

Cylinder 7 Misfire Detected

P0308

Cylinder 8 Misfire Detected

P0309

Cylinder 9 Misfire Detected

P0310

Cylinder 10 Misfire Detected

P0311

Cylinder 11 Misfire Detected

P0312

Cylinder 12 Misfire Detected

P0313

Misfire Detected with Low Fuel

P0314

Single Cylinder Misfire (Cylinder not Specified)

P0320

Ignition/Distributor Engine Speed Input Circuit Malfunction

P0321

Ignition/Distributor Engine Speed Input Circuit Range/Performance

P0322

Ignition/Distributor Engine Speed Input Circuit No Signal

P0323

Ignition/Distributor Engine Speed Input Circuit Intermittent

P0325

Knock Sensor 1 Circuit Malfunction (Bank 1 or Single Sensor)

P0326

Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor)

P0327

Knock Sensor 1 Circuit low Input (Bank 1 or Single Sensor)

P0328

Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)

P0329

Knock Sensor 1 Circuit Input Intermittent (Bank 1 or Single Sensor)

P0330

Knock Sensor 2 Circuit Malfunction (Bank 2)

P0331

Knock Sensor 2 Circuit Range/Performance (Bank 2)

P0332

Knock Sensor 2 Circuit Low Input (Bank 2)

P0333

Knock Sensor 2 Circuit High Input (Bank 2)

P0334

Knock Sensor 2 Circuit Input Intermittent (Bank 2)

P0335

Crankshaft Position Sensor A Circuit Malfunction

P0336

Crankshaft Position Sensor A Circuit Range/Performance

P0337

Crankshaft Position Sensor A Circuit Low Input

P0338

Crankshaft Position Sensor A Circuit High Input

P0339

Crankshaft Position Sensor A Circuit Intermittent

P0340

Camshaft Position Sensor Circuit Malfunction

P0341

Camshaft Position Sensor Circuit Range/Performance

P0342

Camshaft Position Sensor Circuit Low Input

P0343

Camshaft Position Sensor Circuit High Input

P0344

Camshaft Position Sensor Circuit Intermittent

P0350

Ignition Coil Primary/Secondary Circuit Malfunction

P0351

Ignition Coil A Primary/Secondary Circuit Malfunction

P0352

Ignition Coil B Primary/Secondary Circuit Malfunction

P0353

Ignition Coil C Primary/Secondary Circuit Malfunction

P0354

Ignition Coil D Primary/Secondary Circuit Malfunction

P0355

Ignition Coil E Primary/Secondary Circuit Malfunction

P0356

Ignition Coil F Primary/Secondary Circuit Malfunction

P0357

Ignition Coil G Primary/Secondary Circuit Malfunction

P0358

Ignition Coil H Primary/Secondary Circuit Malfunction

P0359

Ignition Coil I Primary/Secondary Circuit Malfunction

P0360

Ignition Coil J Primary/Secondary Circuit Malfunction

P0361

Ignition Coil K Primary/Secondary Circuit Malfunction

P0362

Ignition Coil L Primary/Secondary Circuit Malfunction

P0370

Timing Reference High Resolution Signal A Malfunction

P0371

Timing Reference High Resolution Signal A Too Many Pulses

P0372

Timing Reference High Resolution Signal A Too Few Pulses

P0373

Timing Reference High Resolution Signal A Intermittent/Erratic Pulses

P0374

Timing Reference High Resolution Signal A No Pulses

P0375

Timing Reference High Resolution Signal B Malfunction

P0376

Timing Reference High Resolution Signal B Too Many Pulses

P0377

Timing Reference High Resolution Signal B Too Few Pulses

P0378

Timing Reference High Resolution Signal B Intermittent/Erratic Pulses

P0379

Timing Reference High Resolution Signal B No Pulses

P0380

Glow Plug/Heater Circuit “A” Malfunction

P0381

Glow Plug/Heater Indicator Circuit Malfunction

P0382

Glow Plug/Heater Circuit “B” Malfunction

P0385

Crankshaft Position Sensor B Circuit Malfunction

P0386

Crankshaft Position Sensor B Circuit Range/Performance

P0387

Crankshaft Position Sensor B Circuit Low Input

P0388

Crankshaft Position Sensor B Circuit High Input

P0389

Crankshaft Position Sensor B Circuit Intermittent

Misfire Detection Monitor – Cylinder 12 Misfire

Description:

How does a P0312 code trigger the check engine light? This code will trigger the check engine light as follows:

The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the specific cylinder in which the misfire has occurred. A misfire is nothing more than a lack of combustion, which can be caused by poor fuel quality or metering, low compression, lack of spark or unmetered air entering the engine. There are other possible, less obvious causes as well, such as uncommanded Exhaust Gas Recirculatin (EGR), flow. When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we are left with a P0312 in the computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Diagnostic Help:

To diagnose a P0312 trouble code we begin by checking for proper fuel and ignition system operation, and then follow up with the less likely causes listed above, such as EGR and EVAP system problems. New style coil on plug applications have a high failure rate, and can be concluded faulty by swapping to another cylinder and checking to see if the misfire moves to that cylinder. This is a quick check if a capable scan tool or oscilloscope is not available. Always make sure the basic maintenance is done first and that things such as the fuel filter, air filter, spark plugs and spark plug wires are in good working order, as these are all possible candidates for a problem. If necessary, check for wiring and component concerns. See our article “Automotive Circuit Testing 101”, if you need more assistance with this. If concern is determined to be intermittent, check out our article on intermittent diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.

Misfire Detection Monitor – Cylinder 11 Misfire

Description:

How does a P0311 code trigger the check engine light? This code will trigger the check engine light as follows:

The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the specific cylinder in which the misfire has occurred. A misfire is nothing more than a lack of combustion, which can be caused by poor fuel quality or metering, low compression, lack of spark or unmetered air entering the engine. There are other possible, less obvious causes as well, such as uncommanded Exhaust Gas Recirculatin (EGR), flow. When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we are left with a P0311 in the computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Diagnostic Help:

To diagnose a P0311 trouble code we begin by checking for proper fuel and ignition system operation, and then follow up with the less likely causes listed above, such as EGR and EVAP system problems. New style coil on plug applications have a high failure rate, and can be concluded faulty by swapping to another cylinder and checking to see if the misfire moves to that cylinder. This is a quick check if a capable scan tool or oscilloscope is not available. Always make sure the basic maintenance is done first and that things such as the fuel filter, air filter, spark plugs and spark plug wires are in good working order, as these are all possible candidates for a problem. If necessary, check for wiring and component concerns. See our article “Automotive Circuit Testing 101”, if you need more assistance with this. If concern is determined to be intermittent, check out our article on intermittent diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.

Misfire Detection Monitor – Cylinder 10 Misfire

Description:

How does a P0310 code trigger the check engine light? This code will trigger the check engine light as follows:

The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the specific cylinder in which the misfire has occurred. A misfire is nothing more than a lack of combustion, which can be caused by poor fuel quality or metering, low compression, lack of spark or unmetered air entering the engine. There are other possible, less obvious causes as well, such as uncommanded Exhaust Gas Recirculatin (EGR), flow. When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. In this case we are left with a P0310 in the computer memory.

Possible Causes:

Fuel injectors, related wiring, sensors and computer issues
Running out of gas, or poor fuel quality
Evaporative emissions system (EVAP) concerns: fuel vapors leaking into engine
Incorrect Fuel Pressure
EGR system concerns: leaking EGR valve or restricted ports
Base engine concerns: low compression, valve train problems and timing issues
Ignition system concerns including, but not limited to:
Faulty spark plugs
Faulty coil or related wiring
Ignition module or related wiring issues
Ignition related sensor faults or wiring issues

Diagnostic Help:

To diagnose a P0310 trouble code we begin by checking for proper fuel and ignition system operation, and then follow up with the less likely causes listed above, such as EGR and EVAP system problems. New style coil on plug applications have a high failure rate, and can be concluded faulty by swapping to another cylinder and checking to see if the misfire moves to that cylinder. This is a quick check if a capable scan tool or oscilloscope is not available. Always make sure the basic maintenance is done first and that things such as the fuel filter, air filter, spark plugs and spark plug wires are in good working order, as these are all possible candidates for a problem. If necessary, check for wiring and component concerns. See our article “Automotive Circuit Testing 101”, if you need more assistance with this. If concern is determined to be intermittent, check out our article on intermittent diagnosis and wiggle test connectors and wiring, attempting to duplicate concern. You may also use the “Get Help” link if you need specifications or have any other related questions. Remember to refer to an appropriate manual for specific instruction.

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