P1229

Supercharger Intercooler Pump Not Working (Ford)

P1232

Low Speed Fuel Pump Primary Circuit Malfunction (Ford)

P1233

Fuel System Disabled Or Offline (Ford)

P1234

Fuel System Disabled Or Offline (Ford)

P1235

Fuel Pump Control Out Of Range (Ford)

P1236

Fuel Pump Control Out Of Range (Ford)

P1237

Fuel Pump Secondary Circuit Malfunction (Ford)

P1238

Fuel Pump Secondary Circuit Malfunction (Ford)

P1244

Generator Load Low (Ford)

P1245

Generator Load Input High (Ford)

P1246

Generator Load Input Failed (Ford)

P1258

Engine Metal Over Temperature Protection

P1259

VTEC System Malfunction (Acura)

P1260

Fuel Pump Speed Relay Control Circuit (GM)

P1260

Theft Detected – Engine Disabled (Mazda)

P1260

Theft Detected – Engine Disabled (Ford)

P1270

Vehicle Speed Limiter Reached (Mazda)

P1270

Vehicle Speed Limiter Reached (Ford)

P1281

Engine Is Cold Too Long (Chrysler)

P1282

Fuel Pump Relay Control Circuit(Chrysler)

P1285

Cylinder Head Over Temperature Sensed (Ford)

P1288

Intake Manifold Short Runner Solenoid Circuit (Chrysler)

P1290

CHT Sensor Out Of Range (Ford)

P1289

Manifold Tune Valve Solenoid Circuit (Chrysler)

P1289

CHT Sensor High Input (Ford)

P1290

CNG Fuel Pressure Too High (Chrysler)

P1290

CHT Sensor Low Input (Ford)

P1291

No Temp Rise Seen From Fuel Heaters (Chrysler)

P1292

CNG Pressure Sensor Voltage Too High (Chrysler)

P1293

CNG Pressure Sensor Voltage Too Low (Chrysler)

P1294

Target Idle Not Reached (Chrysler)

P1295

No 5 Volts To TP Sensor (Chrysler)

P1296

No 5 Volts To MAP Sensor (Chrysler)

P1297

No Change in MAB From Start To Run (Chrysler)

P1297

Low Voltage ELD Circuit (Acura)

P1298

High Voltage In ELD Circuit (Acura)

P1298

Lean Operation At wide Open Throttle (Chrysler)

P1299

Vacuum Leak Found (IAC Fully Seated)(Chrysler)

P1299

Cylinder Head Over Temperature Protection Active (Ford)

P0100

Mass or Volume Air flow Circuit Malfunction

P0101

Mass or Volume Air flow Circuit Range/Performance Problem

P0102

Mass or Volume Air Flow Circuit low Input

P0103

Mass or Volume Air flow Circuit High Input

P0104

Mass or Volume Air flow Circuit Intermittent

P0105

Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction

P0106

Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

P0107

Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

P0108

Manifold Absolute Pressure/Barometric Pressure Circuit High Input

P0109

Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent

P0110

Intake Air Temperature Circuit Malfunction

P0111

Intake Air Temperature Circuit Range/Performance Problem

P0112

Intake Air Temperature Circuit Low Input

P0113

Intake Air Temperature Circuit High Input

P0114

Intake Air Temperature Circuit Intermittent

P0115

Engine Coolant Temperature Circuit Malfunction

P0116

Engine Coolant Temperature Circuit Range/Performance Problem

P0117

Engine Coolant Temperature Circuit Low Input

P0118

Engine Coolant Temperature Circuit High Input

P0119

Engine Coolant Temperature Circuit Intermittent

P0120

Throttle Pedal Position Sensor/Switch A Circuit Malfunction

P0121

Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem

P0122

Throttle/Pedal Position Sensor/Switch A Circuit Low Input

P0123

Throttle/Pedal Position Sensor/Switch A Circuit High Input

P0124

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

P0125

Insufficient Coolant Temperature for Closed Loop Fuel Control

P0126

Insufficient Coolant Temperature for Stable Operation

P0130

Ox Sensor Circuit Malfunction (Bank 1 Sensor 1)

P0131

Ox Sensor Circuit Low Voltage (Bank 1 Sensor 1)

P0132

Ox Sensor Circuit High Voltage (Bank 1 Sensor 1)

P0133

Ox Sensor Circuit Slow Response (Bank 1 Sensor 1)

P0134

Ox Sensor Circuit No Activity Detected (Bank 1 Sensor 1)

P0135

Ox Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

P0136

Ox Sensor Circuit Malfunction (Bank 1 Sensor 2)

P0137

Ox Sensor Circuit Low Voltage (Bank 1 Sensor 2)

P0138

Ox Sensor Circuit High Voltage (Bank 1 Sensor 2)

P0139

Ox Sensor Circuit Slow Response (Bank 1 Sensor 2)

P0140

Ox Sensor Circuit No Activity Detected (Bank 1 Sensor 2)

P0141

Ox Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

P0142

Ox Sensor Circuit Malfunction (Bank 1 Sensor 3)

P0143

Ox Sensor Circuit Low Voltage (Bank 1 Sensor 3)

P0144

Ox Sensor Circuit High Voltage (Bank 1 Sensor 3)

P0145

Ox Sensor Circuit Slow Response (Bank 1 Sensor 3)

P0146

Ox Sensor Circuit No Activity Detected (Bank 1 Sensor 3)

P0147

Ox Sensor Heater Circuit Malfunction (Bank 1 Sensor 3)

P0150

Ox Sensor Circuit Malfunction (Bank 2 Sensor 1)

P0151

Ox Sensor Circuit Low Voltage (Bank 2 Sensor 1)

P0152

Ox Sensor Circuit High Voltage (Bank 2 Sensor 1)

P0153

Ox Sensor Circuit Slow Response (Bank 2 Sensor 1)

P0154

Ox Sensor Circuit No Activity Detected (Bank 2 Sensor 1)

P0155

Ox Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

P0156

Ox Sensor Circuit Malfunction (Bank 2 Sensor 2)

P0157

Ox Sensor Circuit Low Voltage (Bank 2 Sensor 2)

P0158

Ox Sensor Circuit High Voltage (Bank 2 Sensor 2)

P0159

Ox Sensor Circuit Slow Response (Bank 2 Sensor 2)

P0160

Ox Sensor Circuit No Activity Detected (Bank 2 Sensor 2)

P0161

Ox Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)

P0162

Ox Sensor Circuit Malfunction (Bank 2 Sensor 3)

P0163

Ox Sensor Circuit Low Voltage (Bank 2 Sensor 3)

P0164

Ox Sensor Circuit High Voltage (Bank 2 Sensor 3)

P0165

Ox Sensor Circuit Slow Response (Bank 2 Sensor 3)

P0166

Ox Sensor Circuit No Activity Detected (Bank 2 Sensor 3)

P0167

Ox Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)

P0170

Fuel Trim Malfunction (Bank 1)

P0171

System Too Lean (Bank 1)

P0172

System Too Rich (Bank 1)

P0173

Fuel Trim Malfunction (Bank 2)

P0174

System Too Lean (Bank 2)

P0175

System Too Rich (Bank 2)

P0176

Fuel Composition Sensor Circuit Malfunction

P0177

Fuel Composition Sensor Circuit Range/Performance

P0178

Fuel Composition Sensor Circuit Low Input

P0179

Fuel Composition Sensor Circuit High Input

P0180

Fuel Temperature Sensor A Circuit Malfunction

P0181

Fuel Temperature Sensor A Circuit Performance

P0182

Fuel Temperature Sensor A Circuit low Input

P0183

Fuel Temperature Sensor A Circuit High Input

P0184

Fuel Temperature Sensor A Circuit Intermittent

P0185

Fuel Temperature Sensor B Circuit Malfunction

P0186

Fuel Temperature Sensor B Circuit Range/Performance

P0187

Fuel Temperature Sensor U Circuit Low Input

P0188

Fuel Temperature Sensor B Circuit High Input

P0189

Fuel Temperature Sensor B Circuit Intermittent

P0190

Fuel Rail Pressure Sensor Circuit Malfunction

P0191

Fuel Rail Pressure Sensor Circuit Range/Performance

P0192

Fuel Rail Pressure Sensor Circuit Low Input

P0193

Fuel Rail Pressure Sensor Circuit High Input

P0194

Fuel Rail Pressure Sensor Circuit Intermittent

P0195

Engine Oil Temperature Sensor Malfunction

P0196

Engine Oil Temperature Sensor Range/Performance

P0197

Engine Oil Temperature Sensor Low

P0198

Engine Oil Temperature Sensor High

P0199

Engine Oil Temperature Sensor 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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