problem with 1999 lightning

[2fAZT4U]

1999 lightning
JLP short block
550 cams and valves
c&c ported and polished heads
head stub kit
headers
6lb lower pulley
2.8 upper pulley
90mm mass air
JLP forced air kit
cobra R water pump
electric fan
single blade throttle body
dual 255 fuel pumps
precision 2800 multi disc stall
diablo revolution chip JLP program
diablo MAF meter
100 shot of zex nitro

I'm going to put it on the dyno next month but this problem I'm having is driving me crazy everytime I give it alot of gas it try's to cut off on my it's like it's flooding itself. It will do this out of the hole and also at top speed. If anyone has a answer to my problem let me know.

 

[unclesams_svt]

Your fuel pump relay may have taken a sh1t on you, or your filter is clogged up.

 

[2fAZT4U]

Where is the fuel pump relay located at?

 

[CHIZ]

check the contacts on the ecu. make sure their cleaned completely off b/f you install the chip. a bad connection can do that.

 

[2fAZT4U]

I changed my fuel filter and and cleaned the contacts on my ecu still having the same problem

 

[00blacksvtl]

I was having mine fall on its face while giving it gas, and had a couple bad plugs, maybe you could check those out.

 

[SWThomas]

I would have it dyno tuned. Until you do that, I wouldn't get on it anymore. While you are at the tuner, have him hook up a diagnostic and read all of your sensors to see if it can find the problem.

 

[silver69camaro]

Check for vacuum leaks and/or a bad coil. I had a small vacuum leak that wasn't noticible at idle but when going wot I'd get a hesitation.


EDIT** Almost forgot, What plugs and gap are you running?

 

[2fAZT4U]

When I gear it down to first and then get into it and go to second and then drive it will not hesitate only when it's in third coming out of the hole or first coming out of the hole at a low role in first it does fine.Going to the dyno in a couple of weeks.