• Welcome to the new NAXJA Forum! If your password does not work, please use "Forgot your password?" link on the log-in page. Please feel free to reach out to [email protected] if we can provide any assistance.

no starting after 99 intake upgrade

P

proskier101

NAXJA Forum User
Location
the vag sander.
i jsut finished installing my apn header and 99 intake manifold and i have hooled up everything except the rear O2 sensor and the front is connected but no in the exhaust as i have no down pipe yet.

i went to start it and nothing, it turns over but no gas igniting

i have tested the fuel rail and there is a good amount of pressure there and i have triple checked the injector plugs and everything is good. So i have narrowed my problem to somewhere between the injectors and the main harnes(mounted to the firewall) but i cant pinpoint what is out of wack.

the only thing i can think of is that since the front o2 sensor is not in the exhaust it doesnt know how much gas to use so it just doesnt use any, but i would think it would still start, but jsut run crappy.

so i am at a loss and again the onlything i can see unplugged are the o2 sensors, whats going on?
 
any problems with the swap? I'm getting ready to do the same thing.

Did you switch to the new power steering pump? I know you need to swap brackets, but not sure about the pump itself. Thanks!

hasta
 
1994sport said:
any problems with the swap? I'm getting ready to do the same thing.

Did you switch to the new power steering pump? I know you need to swap brackets, but not sure about the pump itself. Thanks!

hasta
Click to expand...

with the 1996 there isnt a need. and there was an issue with clearence on #6 cyclinder.
 
copper204 said:
Ground the housing of the O2 sensor and try again..Hal :explosion
Click to expand...



the bomb exploding in your post doesnt amke me feel good.


but is this just for the 1st O2 sensor?

i know the down stream sensor is just to tell that the cat is wrong and the upstream tells the fuel mixture...does it make a difference if its grounded?
 
You did(n't) unconnect it and unbolt it from the back fuel rail stud before taking off the old mani. . .right?
 
ChrisRFewell said:
with the 1996 there isnt a need. and there was an issue with clearence on #6 cyclinder.
Click to expand...


glad you got it figured out. Can you explain the clearance issue,and how you solved it? thanks.
 
1994sport said:
glad you got it figured out. Can you explain the clearance issue,and how you solved it? thanks.
Click to expand...

i had to gind a bit on the #6 intake tube to make it fit. if you do not the bottom of the intake does not fit against the head, just be careful to to grind too much of the intake off though
 
ChrisRFewell said:
i had to gind a bit on the #6 intake tube to make it fit. if you do not the bottom of the intake does not fit against the head, just be careful to to grind too much of the intake off though
Click to expand...
Thanks for the heads-up on that one; I'm about to do the same '99 intake swap on my '96 this weekend.

Jim www.yuccaman.com
 
ChrisRFewell said:
i had to gind a bit on the #6 intake tube to make it fit. if you do not the bottom of the intake does not fit against the head, just be careful to to grind too much of the intake off though
Click to expand...

I'm guessing #6 is the rear most cylinder? What was it interferring with? the exhaust manifold / header?

thanks
 
You must log in or register to reply here.

Similar threads

O
2000 XJ Failed Colorado Emissions high CO
2
Replies
27
Views
2K
Ken M
K
F
99 XJ V8 Swapped, now door's will unlock but won't lock
Replies
3
Views
162
FreeRoller16
F
N
New Engine is hard starting
Replies
0
Views
17
NGThomas
N
W
motor swap
Replies
1
Views
3K
smokeyyank
smokeyyank
X
My brakes are crap
Replies
12
Views
3K
xjklmnop69
X
Back
Top