2 results for fuel tank vacuum valve found in 0.000 seconds

driver section hot start problem new fuel pressure accumulator all rabbit® ... `77 through approximately `88 have cis fuel injection continuous injection one of ... an air space in the line between the fuel tank and the pump and the pump can t ... suck a vacuum so it spins in the air vapor and you ... to this problem one of which was the fuel pressure accumulator the fuel pressure ... when the pump is turned on the fuel pump pressure compresses the spring ... when the pump is turned on this reserve tank of pressurized fuel keeps constant ... pressure on the fuel at about 50 pounds and as you remember ... is able to pump it and pressurize the fuel in your system to allow your injectors ... to overcome their internal pressure valve in operating as you know the cis ... injectors have a pressure valve in them which keeps them from leaking ...

to diagnose the car won t start poor fuel economy rough running these can all be ... controlled by the idle speed stabilizer valve an electronically-controlled rotary ... valve which is really just a fancy bypass of ... the throttle body when the fuel injection brain receives a signal ... the idle speed stabilizer over time the valve gums up causing it to respond too ... makes the idle hunt up and down the valve can also stick causing a consistently ... 15 minute job irregular idle 3 1 6 7 fuel pressure regulator idle speed ... #sn37349 #sn9235 a properly working fuel pressure regulator is very important ... when the fuel injection brain is calculating how long ... calculation is made based on correct fuel pressure if the fuel pressure is too ... low not enough fuel will be injected too lean if the fuel ...