Removing the fuel rail on this car is really easy. i wish other cars were this simple. two bolts and all four injectors can be pulled up word. in order to sw. Pretty straightforward job there’s a lot of things to connect up to it though. the fuel regulator connects to the intake manifold all the connectors for the.
Technical (vw & audi) 1.8t engine forum. remove fuel rail. jump to latest follow 504 views. Hi can i ask about the audi 1.8t fuel rail photos. could you explain the flow of the hoses going to and from the fuel rail. there is a small diameter soft braided hose going to the regulator, a large solid line coming from the bottom of the regulator and a large solid line coming from the other end of the rail itself. rookie question. 1. the harness connector 2. fpr vacuum line 3. all of the injectors 4. the in and out fuel lines on the left. 5. any and all bolts (it's usually easier to do this before step 6. 6. re clip the injector harness onto the fuel rail now feel free to tip that brew back, do a throttle body adaption and let her purr. hope this helps those out there. This is: fuel suply from pump in tank. fuel return. towards the front of the filter, also 2 lines. fuel suply out from filter to engine. fuel to evap system. (has a t fitting on it next to the filter.) here is the front of the oem filter. the thick line is the fuel suply. here is the two filters, old is oem b6, and the new mk4 1.8t.
1. the harness connector 2. fpr vacuum line 3. all of the injectors 4. the in and out fuel lines on the left. 5. any and all bolts (it's usually easier to do this before step 6. 6. re clip the injector harness onto the fuel rail now feel free to tip that brew back, do a throttle body adaption and let her purr. hope this helps those out there. This is: fuel suply from pump in tank. fuel return. towards the front of the filter, also 2 lines. fuel suply out from filter to engine. fuel to evap system. (has a t fitting on it next to the filter.) here is the front of the oem filter. the thick line is the fuel suply. here is the two filters, old is oem b6, and the new mk4 1.8t. Hi great artical. ive got an audi 1.8qt b5 avant. its been sittign for a while while i try to get it ready for the road again. when i connect the battery there is an instant hissing or sucking sounds from around the fuel return value or possible from the rail or an injector. The braided hose that is connected to the fuel pressure regulator (fpr) is a common spot for vacuum leaks on 1.8t's. it dries out and rots easily, causing your car to have a bad idle due to the leaking hose. your fpr can also get clogged and stuck from previous owners using low quality gas. the odds of your fpr actually going bad are pretty low.
Hi great artical. ive got an audi 1.8qt b5 avant. its been sittign for a while while i try to get it ready for the road again. when i connect the battery there is an instant hissing or sucking sounds from around the fuel return value or possible from the rail or an injector. The braided hose that is connected to the fuel pressure regulator (fpr) is a common spot for vacuum leaks on 1.8t's. it dries out and rots easily, causing your car to have a bad idle due to the leaking hose. your fpr can also get clogged and stuck from previous owners using low quality gas. the odds of your fpr actually going bad are pretty low.
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