Vehicle Diagnostics
Although vehicle diagnostic tests are not a mandatory part of the cleaning procedure, they can help determine if
poor engine performance is caused by other conditions related to the fuel system.
Carburetors
The following tests may be performed for this system
:
•
Fuel System Pressure Test
•
Fuel Volume Test
•
Vacuum Test
TBI Systems;
The following tests may be performed for this system
:
•
Fuel System Pressure Test
•
Fuel Volume Test
•
Deadhead Test
•
Leakdown Test
•
Vacuum Test
PFI Systems ;
The following tests may be performed for this system
:
•
Fuel System Pressure Test
•
Fuel Volume Test
•
Deadhead Test
•
Leakdown Test
•
Vacuum Test
CIS Systems:
The following tests may be performed for this system
:
•
Fuel System Pressure Test
•
Fuel Volume Test
•
Leakdown Test
•
Vacuum Test
Do NOT perform the Deadhead test on CIS vehicles.
