fuel pressure guage

[turch]

i have noticed my hood mounted k/b fuel pressure guage needle has started to flutter. i am building pressure ok, but it is not holding as solid as it did before. any ideas???? thanks. ron

 

[b231v6]

flutter at idle,wot?

 

[tc86gn]

It is possible that this is the first signs of a restriction somewhere. Possibly the fuel filter.

 

[turch]

needle flutters at any rpm range. about 5 lbs. in both directions

 

[b231v6]

Question for you again. Do you have a scan tool? I would think if it dose'nt affect driving any, it's probably your gauge. The way it runs is not bothered? Can't off the top of my head think of any possible problem that cause this from your fuelrail tap to the gauge. If you had pump starting to fail or an ostruction in your main line or a problem with injectors-regulator it would affect drivability. Then again maybe not. Jace

 

[b231v6]

P.S. when you shut the car off does it hold pressure.

 

[turch]

system does not loose fuel pressure after shutting of engine, and the car still is doing its 11 sec. thing. its just annoying to watch it flutter.