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C-Spec
11-27-2005, 11:33 AM
while on the freeway today i was cruising at 70-80mph, speed up to about 90mph to change lane, the car suddenly feel like a missfire and the SES went on, when i got to my work i pluged in my Pocketlogger to check the code, it all it show is "P000". WTF is that??

Blaze
11-27-2005, 12:45 PM
while on the freeway today i was cruising at 70-80mph, speed up to about 90mph to change lane, the car suddenly feel like a missfire and the SES went on, when i got to my work i pluged in my Pocketlogger to check the code, it all it show is "P000". WTF is that??


That means your car took a http://sadangel.weblog.com.pt/arquivo/imag/dog_poo.jpg

EVOla_VIRUS
11-27-2005, 03:41 PM
Found this:

Diagnostic Trouble Codes (DTCs)

Diagnostic trouble codes are codes that are stored by the on-board computer diagnostic system. These are stored in response to a problem found in the car by the system . These codes are stored, for example, when a sensor in the car reports a reading that is outside a pre-defined range, e.g. fuel mixture too rich.

The codes identify a particular problem area and are intended to provide the technician with a guide as to where a fault might be occurring within a car. The codes should be used in conjunction with the vehicle's service manual to ascertain which systems, circuits or components should be tested to fully diagnose the fault.

Reliance on codes alone

Parts or components should not be replaced with reference to only a DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

For example, if a DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem . The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.

DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.

Breakdown of a code:

Diagnostic trouble codes are alphanumeric codes that are used to identify a problem that is present on any of the systems that are monitored by the on-board computer (PCM).

EOBD and OBD II diagnostic codes are composed of five characters; one letter followed by 4 digits, e.g. P0101.

The first character is a letter. It identifies the "main system" where the fault originated. This will be one of the following systems:

Letter System

B Body

C Chassis

P Powertrain

U Network (UART)


The second character is a numeric digit. This identifies the type of code.

Code type
Explanation

Generic (Euro code)
P0xxx
The definition for the code is defined in the EOBD / OBDII standard and will be the same for all manufacturers.

Manufacturer code
P1xxx
The definitions for these are set by the manufacturer.


In general, codes that begin with P0 are Generic or Euro codes , whereas codes that begin with P1 are manufacturer-specific . Additional code group are however available to allow for expansion of these code lists.

The full breakdown of the code groups is shown below:

Powertrain codes
Body codes

P0xxx - Generic
B0xxx - Generic

P1xxx - Manufacturer-specific
B1xxx - Manufacturer-specific

P2xxx - Generic
B2xxx - Manufacturer-specific

P30xx-P33xx - Manufacturer-specific
B3xxx - Generic

P34xx-P39xx - Generic
* *

Chassis codes
Network Communication codes

C0xxx - Generic
U0xxx - Generic

C1xxx - Manufacturer-specific
U1xxx - Manufacturer-specific

C2xxx - Manufacturer-specific
U2xxx - Manufacturer-specific

C3xxx - Generic
U3xxx - Generic


The third digit defines the specific system or sub-system within the car where the problem is located:

Third digit
System or sub-system

1
Fuel and Air Metering

2
Fuel and Air Metering (injector circuit malfunction only)

3
Ignition System or Misfire

4
Auxiliary Emission Control System

5
Vehicle Speed Control and Idle Control System

6
Computer Output Circuits

7
Transmission

8
Transmission


It should be noted that manufacturers are not required to follow the generic numbering system above for their manufacturer-specific codes (many do appear to follow these though).

The fourth and fifth digits identify the section of the system causing the fault. There is no detailed list of the components indicated by these digits, as each system or sub-system will have many different components.

EVOla_VIRUS
11-27-2005, 03:44 PM
Somemore useful information:

P0100 Volume Air Flow circuit.
P0105 BARO Pressure circuit.
P0110 Intake Air Temperature circuit.
P0115 Engine Coolant Temperature circuit.
P0120 Throttle Position circuit.
P0125 Excessive Time to Enter Closed Loop Fuel Control.
P0130 Heated Oxygen Sensor circuit Bank 1 Sensor 1.
P0135 Heated Oxygen Sensor Heater circuit Bank 1 Sensor 1.
P0136 Heated Oxygen Sensor circuit Bank 1 Sensor.
P0141 Heated Oxygen Sensor Heater circuit Bank 1 Sensor 2.
P0150 Heated Oxygen Sensor circuit Bank 2 Sensor 1.
P0155 Heated Oxygen Sensor Heater circuit Bank 2 Sensor 1.
P0156 Heated Oxygen Sensor circuit Bank 2 Sensor 2.
P0161 Heated Oxygen Sensor Heater circuit Bank 2 Sensor 2.
P0170 Fuel Trim Bank 1.
P0173 Fuel Trim Bank 2.
P0201 Injector circuit - Cylinder 1.
P0202 Injector circuit - Cylinder 2.
P0203 Injector circuit - Cylinder 3.
P0204 Injector circuit - Cylinder 4.
P0205 Injector circuit - Cylinder 5.
P0206 Injector circuit - Cylinder 6.
P0300 Random Misfire Detected.
P0301 Misfire Detected - Cylinder 1.
P0302 Misfire Detected - Cylinder 2.
P0303 Misfire Detected - Cylinder 3.
P0304 Misfire Detected - Cylinder 4.
P0305 Misfire Detected - Cylinder 5.
P0306 Misfire Detected - Cylinder 6.
P0325 Knock Sensor 1 circuit.
P0335 Crankshaft Position Sensor circuit.
P0340 Crankshaft Position Sensor circuit.
P0400 EGR Flow.
P0403 EGR Solenoid.
P0420 Catalytic Efficiency below threshold (Bank 1).
P0421 Warm-Up Catalyst Efficiency below threshold (Bank 1).
P0431 Warm-Up Catalyst Efficiency below threshold (Bank 2).
P0440 EVAP System.
P0442 EVAP System Leak Detected.
P0443 EVAP System Purge Control Valve circuit.
P0446 EVAP System Vent Control.
P0450 EVAP System Pressure Sensor.
P0455 EVAP Control System Leak Detected.
P0500 Vehicle Speed Sensor.
P0505 Idle Control System.
P0510 Closed Throttle Position Switch.
P0551 Power Steering Pressure Sensor circuit Range/Performance.
P0700 Transaxle Control System.
P0705 Transmission Range Sensor circuit (PRNDL - Input).
P0710 Transmission Fluid Temperature Sensor circuit.
P0715 Input/Turbine Speed Sensor circuit.
P0720 Output Speed Sensor circuit.
P0725 Engine Speed Input circuit.
P0740 Torque Converter Clutch System.
P0750 Shift Solenoid "A".
P0755 Shift Solenoid "B".
P0760 Shift Solenoid "C".
P0765 Shift Solenoid "D".
P1103 Turbocharger Wastegate Actuator.
P1104 Turbocharger Wastegate Solenoid.
P1105 Fuel Pressure Solenoid.
P1300 Ignition Timing Adjustment circuit.
P1400 Manifold Differential Pressure Sensor circuit.
P1500 Alternator FR Terminal circuit.
P1600 Serial Communication Link.
P1715 Pulse Generator Assembly.
P1750 Solenoid Assembly.
P1751 A/T Control Relay.
P1791 Engine Coolant Temperature Level Input circuit.
P1795 Throttle Position Input circuit to TCM.

Good luck!

Raine3D
06-06-2006, 03:29 PM
NIce