Quote:
Originally Posted by Porscher
Just had s mechanic do a fuelpressuretest, pressure dropping fast after shutting it off. Isn't that a faulty accumulator symptom?
PS.
Oh You mean a test for airleaks right, read to fast. TB? Not really sure I understand all those steps though.
|
Porscher,
There are three (3) common culprits for sudden residual fuel drop if you exclude fuel leak from hoses or fittings. They are:
1). Defective fuel accumulator.
2). Defective fuel pump check valve.
3). Defective return valve inside fuel distributor. This is the least common culprit.
FA and FP check valve are the 2 most common culprits. You could bench test all the above culprits and don't replace parts unless confirmed and verified defective. Unless you want to spend unnecessarily by replacing parts after parts. Keep us posted.
Tony