P1D6B Holden Fx Diagnostic Trouble Code
P1D6B Holden Fx code definition:
P1D6B is a kind of OBD-II Diagnostic P-Powertrain Diagnostic Trouble Code for Holden Fx.
P1D6B Holden Fx shows up when there's an electrical problem that causes the fuel volume regulator to malfunction and open. It's quite an unusual problem and likely intermittent. As you drive and when specific conditions are slowly met, the vapors will gradually purge from the charcoal canister and will get burned within your engine.
Symptoms
Symptoms of a P1D6B Holden Fx diagnostic trouble code may include:
- Faulty PCM
- The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
- Poor acceleration
- Hesitation upon acceleration
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Possible Causes :
- A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
- Dirty air cleaner element Damaged DPF
- A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
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Common Misdiagnoses
- Control Module Throttle Actuator Position Performance Problem
- Air Conditioning (A/C) Clutch Feedback Circuit High Voltage Problem
- Cruise Vehicle Speed/Set Speed Difference Too High Problem
- Kick-Down Switch Failed Short Problem
- Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit Problem
Repair Processes :
If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for.
Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness.
Process Tips
Diagnostic trouble code P1D6B Holden Fx is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.
Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before P1D6B Holden Fx.
Fortunately, P1D6B Holden Fx is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.
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