Reduced engine power but NO codes
Thread Starter
Melting Slicks
Joined: Jul 2007
Posts: 2,087
Likes: 11
From: Austin TX
Reduced engine power but NO codes
Ive got a reduced engine power light on but I dont have any codes
Well, the car is in SD so I do have a p0103 but thats only because the maf is set a fail 0, so thats not the cause. I did have a C1278 code for a day or two but now that is gone and I dont have any codes. Ive had this REP problem since I installed my FAST 90/90 and I cant seem to get it figured out.
The one pattern I think Ive found is that if I clear the codes and start the car, it starts great, no REP. Now if I turn the car off but leave the key in the ignition, then turn the key to the 'ON' position, I get a REP. If I take the key out the put it back in, I seem to find that I dont get the REP, or I do it doesn't seem as much.
I know the ETC scalar for the increase in TB size was not changed so that has to be adjusted but I dont see how that could effect the car if its not on.
Im thinking its one of two things, the TB motor itself is bad or something to do with the TAC and APP.
Anyone have any thoughts? Im very frustrated at the moment
Well, the car is in SD so I do have a p0103 but thats only because the maf is set a fail 0, so thats not the cause. I did have a C1278 code for a day or two but now that is gone and I dont have any codes. Ive had this REP problem since I installed my FAST 90/90 and I cant seem to get it figured out.The one pattern I think Ive found is that if I clear the codes and start the car, it starts great, no REP. Now if I turn the car off but leave the key in the ignition, then turn the key to the 'ON' position, I get a REP. If I take the key out the put it back in, I seem to find that I dont get the REP, or I do it doesn't seem as much.
I know the ETC scalar for the increase in TB size was not changed so that has to be adjusted but I dont see how that could effect the car if its not on.
Im thinking its one of two things, the TB motor itself is bad or something to do with the TAC and APP.
Anyone have any thoughts? Im very frustrated at the moment
