been a while but here goes.
lost injection pump at 129,000, bought special x from blue chip, installed with no problems, fired it up and idled perfect, let it warm up and took for a test drive and it was cutting out at all rpms except at idle. now when i say cutting out it would just die for a milisecond and come right back, perty violently. called chip and he said it is a apps problem cause it doesnt do it at idle, only when the apps goes into closed loop. he suggested i check the connections, i did and they were all good. problem went away i thought until i took it on a 400 mile trip and it did it about 20 times cruising at 75 mph. next day no problem again. about 2 weeks go by and it is back at all rpms again but intermitent. never had a prob until changed IP. recalibrated apps and it was way out of range, within .01 volt now with no change. today whwn it acted up it was doing it at idle in gear to but not in neutral. fuel press is always between 16-13. does it with chip on or off. IP does have one of chips stelth covers on it. ANY HELP APPRECIATED!!! THANKS IN ADVANCE!!! AND NO CODES!!!

 

Could still be a APPS issue.

 

it seems like an apps issue but it is hard for me to buy a new one when there was no problem there before the new injection pump

 

anybody???

 

Any codes? If you need a new apps or tps don't buy it at the dealer. you can get them for less than $200.

 

How about your Cam sensor or wiring to it? Tricky little devil hides behind the VP, so it is hard to test. I don't suppose you changed the sensor when the P was removed?

 

no i did not change the sensor. and there are NO CODES