C3801 Volkswagen Auto Trouble Code
C3801 Volkswagen OBD2 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.
The crank but won't start condition, along with the trouble codes may make you think you've got a PATS anti-theft system problem. However, Ford reports that these codes are all related to software bugs. The only way around the problem is to reprogram the PCM with the latest software.
C3801 Volkswagen Possible Solution:
The firing order is an important part of the overall design of the engine and is determined during the design of the engine to eliminate as much engine vibration as possible. If the firing order is changed or adjusted, the ignition from the spark plug is delivered at the wrong time and the engine functions poorly or does not run. The firing order for a particular engine is typically found in the repair manual specific to that model.
C3801 Volkswagen Description For All Models :
- Volkswagen 1200
- Volkswagen 1300
- Volkswagen 1302
- Volkswagen 1303
- Volkswagen 1500
- Volkswagen 1600
- Volkswagen 181
- Volkswagen 1-litre
- Volkswagen 411
- Volkswagen Aac
- Volkswagen Amarok
- Volkswagen Arteon
- Volkswagen Atlas
- Volkswagen Beetle
- Volkswagen Bora
- Volkswagen Brasilia
- Volkswagen Cabriolet
- Volkswagen Caddy
- Volkswagen Caddy 2
- Volkswagen Caddy 3
- Volkswagen Caddy 4
- Volkswagen California
- Volkswagen Caravelle
- Volkswagen Citi
- Volkswagen Commercial
- Volkswagen Concept
- Volkswagen Corrado
- Volkswagen Crafter
- Volkswagen Crafter Ii
- Volkswagen Crossgolf
- Volkswagen Crosspolo
- Volkswagen Crosstouran
- Volkswagen Derby
- Volkswagen Ea
- Volkswagen Ecoracer
- Volkswagen Eos
- Volkswagen Eurovan
- Volkswagen Export
- Volkswagen Fox
- Volkswagen Fusca
- Volkswagen Gli
- Volkswagen Gol
- Volkswagen Gol Ii
- Volkswagen Golf 3
- Volkswagen Golf 4
- Volkswagen Golf 5
- Volkswagen Golf 6
- Volkswagen Golf 7
- Volkswagen Golf 1
- Volkswagen Golf 2
- Volkswagen Gti
- Volkswagen Gx3
- Volkswagen Hac
- Volkswagen Iltis
- Volkswagen Jetta
- Volkswagen Jetta A4
- Volkswagen Jetta A5
- Volkswagen Jetta A6
- Volkswagen K70
- Volkswagen Karmann Cheetah
- Volkswagen Karmann Ghia
- Volkswagen Kombi
- Volkswagen Lt
- Volkswagen Lupo
- Volkswagen Magellan
- Volkswagen Microbus
- Volkswagen Multivan
- Volkswagen New Beetle
- Volkswagen Parati
- Volkswagen Passat
- Volkswagen Passat B5
- Volkswagen Passat B6
- Volkswagen Passat B7
- Volkswagen Passat B8
- Volkswagen Phaeton
- Volkswagen Pickup
- Volkswagen Pointer
- Volkswagen Polo
- Volkswagen Polo 4
- Volkswagen Polo 5
- Volkswagen Quantum
- Volkswagen Rabbit
- Volkswagen Santana
- Volkswagen Saveiro
- Volkswagen Schwimmwagen
- Volkswagen Scirocco
- Volkswagen Scooter
- Volkswagen Sedan
- Volkswagen Sharan
- Volkswagen Sharan 2
- Volkswagen Sp2
- Volkswagen T4
- Volkswagen T5
- Volkswagen T6
- Volkswagen Tiguan
- Volkswagen Touareg
- Volkswagen Touran
- Volkswagen Touran I
- Volkswagen Touran Ii
- Volkswagen Touran Iii
- Volkswagen Transporter
- Volkswagen T-roc
- Volkswagen Type 3
- Volkswagen Type 4
- Volkswagen Up
- Volkswagen Vento
- Volkswagen Voyage
- Volkswagen W12
C3801 Volkswagen Trouble Repair :
If your vehicle failed a C3801 Volkswagen test and the C3801 Volkswagen Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature.
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