Rustam
06-29-2013, 10:36 PM
Volkswagen Vanagon used the Bosch Fuel Injection with the familiar looking AFM. At the address given below, an interesting modification is introduced for the AFM to fix the following symptoms.
This fix adds a capacitor into the AFM circuit, that acts to even out the current which can be helpful in cases of deformed resistor track incapable of providing a continuous signal...
CONDITION
After driving for 1/2 to 2 hours at a constant speed, vehicle
experiences lack of power, cuts-out or stalls, often accompanied by
bucking or jerking of the vehicle.
In ALL cases, the vehicle will restart immediately. This symptom may
not re-occur for several weeks/months. Inspection by the dealer results
in nothing conclusive.
Address :
AFM capacitor fix (http://www.members.shaw.ca/bilbo/WBafm.html)
add a $0.5 25 V 10 uF tantal capacitor with its +side connected to pin 4 and its common to pin 2 (who is the air flow voltage output) to stabilise the voltage.
Ten + Microfarad + Tantalum
Please, save this page on your computer, as these resources are surely getting to extinction.
This fix adds a capacitor into the AFM circuit, that acts to even out the current which can be helpful in cases of deformed resistor track incapable of providing a continuous signal...
CONDITION
After driving for 1/2 to 2 hours at a constant speed, vehicle
experiences lack of power, cuts-out or stalls, often accompanied by
bucking or jerking of the vehicle.
In ALL cases, the vehicle will restart immediately. This symptom may
not re-occur for several weeks/months. Inspection by the dealer results
in nothing conclusive.
Address :
AFM capacitor fix (http://www.members.shaw.ca/bilbo/WBafm.html)
add a $0.5 25 V 10 uF tantal capacitor with its +side connected to pin 4 and its common to pin 2 (who is the air flow voltage output) to stabilise the voltage.
Ten + Microfarad + Tantalum
Please, save this page on your computer, as these resources are surely getting to extinction.