Thread: Lowport fuel rail removal

Is it absolutely necessary to remove the intake manifold to get the fuel rail & injectors out? I'm doing a full rail/injector swap this weekend and from what I gather through days of searching is that the intake manifold has to be removed.

Just remove the top half.

professional first post right here

Alright thanks guys, sigh of relief there. Crossing my fingers this puts an end to my misfire/hesitation issue.

It's really hard to get out without removing the top half of the intake manifold but can be done. If you delete the water lines on the TB and grind 2 tabs on the fuel rail you can make it really easy to get in and out next time. That's what I did and I can swap injectors in less than an hour.

Hopefully "next time" is a VE swap.

So the new injectors, fuel filter and new vacuum lines (one was burst open so I replaced them all) and I still have a misfire/hesitation that of all things is NOT throwing any CEL codes. Anyone know what it could be? If I go WOT the car hangs up at 4k rpm and doesn't want to rev very well. Clogged cat?

Cap, rotor, plugs, plug wires?

What he said, or MAF, Timing.... I picked up my girls 00' RR sentra cheap because it had a similar miss and hesitation problem that they couldn't figure out and it was just the MAF. It was throwing a code tho...

Cap, rotor and plus are new. Wires are not. I attempted to replace them once but they were aftermarket wires and they fit like crap so I took them back. This is what I have replaced all in an effort to try and get rid of the problem:

- Injectors
- Fuel Filter
- Spark Plugs
- Distributor cap
- Rotor
- Vacuum lines
- Front O2 sensor
- Knock sensor

Timing was checked and set about a month ago, haven't rechecked it. I'll try cleaning the MAF tonight, since the car is horrible to drive right now. I made it mad last night, it started misfiring while pulling away from a light so I gave it more gas and that just made is worse. It came back to all 4 after 10 seconds or so, but now just cruising down the road you can feel it missing. It won't idle at all without skipping.