So my mechanic is telling me that Cylinders 1 and 6 are not working. Mechenically he says they are fine but it appears that it is something electrical. He was unable to determine the actual cause of this issue and I am wondering if anyone here can help.

My sympoms are the following.

1. Car shakes when idle or acclerating or going less then 25 miles per hour.
2. Car has hard timne climbing hills.
3. Car runs smooth once at 55-65, though has a hard time getting above GM without getting huge RPMs.

Any ideas?

 

you've got 2 dead injectors most likely.
very common.

 

You didn't mention if you had an SE or GXE. If a GXE, I'd replace the spark plug wires, rotor and cap. You can check the resistance of the current wires first, but if your mechanic says it's electrical, I'd check/replace these first.

 

Needs to supply year in addition to SE/GXE.

But yeah like above, probably injectors, maybe coils if it is a VE, sometimes its both.

 

No spark? Or no fuel?

 

Check those cylinders for spark. If it's getting spark, then it's probably injectors. If there isn't spark, check wires, cap, rotor.

 

This is a 1992 SE ***

*** The engine type in the owners manual says it is a VE30DE which Wikipedia says is an SE Link: http://en.wikipedia.org/wiki/Nissan_VE_engine

They are getting a spark

Is it easy to change the fuel injectors? Is there somewhere online to show how this is done and what the prep is?

 

i got my bet on a fuel injectors cause i had same problem i changed 5 of them (month back changed 1 so thats y i changed 5 recent)

 

it's pretty easy to do if you have patience.
some of them can be done in 15 minutes.
some take longer because you need to pull the intake plenum.
I do suggest doing all 6 new, but if budget is tight and it's only a rear 1, do all 3 rears. saves time later. the fronts can be done 1 at a time.
just don't buy remans/rebuilt/cleaned injectors.

 

Hey Brian, you forgot to tell him where he can buy new injectors from.
BTW, you'll be getting PM from me soon for the same issue.

 

I saw some at autozone.com

Gp-Sorensen / Fuel Injector for a 1992 Nissan/Datsun Maxima SE
Part Number: 800-1149N
Weight: 0.2 lbs.
Warranty: 1 YR
Note: New
O.E.M. #16600-96E00
Price: $74

Beck Arnley / Fuel Injector for a 1992 Nissan/Datsun Maxima SE
Part Number: 155-0091
Weight: 0.2 lbs.
Warranty: 3 MO
Price: $68

SHould I replace the orings to for $10 per injector, or not?

Thanks

 

1. I am wary of anything from Autozone.
2. yes you should definately replace the o'rings at the same time.

 

The only reason I selected AutoZone is that my experience has been if it is not in fact the injectors I could take the part back to the store. IF not AutoZone, why and what is your recommendation?

Thanks

 

I don't like autozone, I have found that their parts are very substandard in most cases.
for a local place, I'd suggest a NAPA, or a "Corning" auto parts.
Find a smallish local place they will usually have the most knowledgeable parts people, and will try harder to find the part.

 

I have the same problem with cylinder 1. I unplugged the spark plug wire from the distributor saw a spark, and did not see a drop in engine speed. So i guess its the fuel injector. But the problem is, while waiting for the new fuel injector that i bought online, the engine fixed itself for a day and was working perfectly. Then the next day, same problem. I'm guessing it was a sticking injector. Anyone know if its possible that an injector can repair itself one day and break the other???? This happened this whole week, one day it runs great, next day runs like crap. Thanks

 

Yes,normally injectors do intermittently go "in-n-out" for a while before they finally die all together..

 

Te price for an injector at NAPA is twice as much as AutoZone. Is AutoZone that bad where it is worth paying twice the price for new parts?

 

on some items yes.
the injector it's a tough call because i don't know what brand is in the box.

 

Why? Just wondering for my own edification...

 

very common
I had 2 injectors recently go on mine,
i heard once that cars and especially older ones dont like the ethanol in gas

 

because our injectors fail electrically, not by clogging up normally. injectors aren't electrically rebuilt, they are just cleaned out.
so even though the rebuilder tested them, they still fail a bit later on electrically.
I replaced 5 injectors 7 times on my first VE. the last 3 were brand new.

 

Before you go through the trouble and expense of replacing a dead injector, make sure that the electrical contacts are clean. My 92 GXE (VG) lost a cylinder intermittently (would run bad for a while, then great for a while randomly) and the contacts for that injector needed cleaning. A little time with a small strip of sandpaper wrapped around the end of a small screwdriver and all is well now.