HELP!!!!

Two weeks ago I had the car tuned for the meth and the 2.7 inch pulley. And wot got my heart racing. Car has been getting body work done for the last week so I was excited to rip around town. Except this afternoon when I got on it, it felt slow, like stage 2... Then a check engine light came on....System rich Bank 1. So, could it be the upper o2 sensor? I checked and on the wideband it was reading from 10.3 to 10.9 in and got uber rich up top. Then I did a few more runs and noticed my boost was at 12psi...instead of 16 or 17. Then after like five runs car feels stronger hit 15psi toward redline, but the AFR read low 11s til 5000rpm then went to 10.7-10.9....It was like 40 degrees and usually the cars hauls in this weather. Any ideas???

 

2nd gear pull this morning was right on the money ,but 3rd gear was pig rich(10.3 to 10.5 all the way to redline) Anyone have any ideas? Also I am not throwing any codes since clearing "system rich bank 1"

 

there's your answer. seems like you need to talk to your tuner.

 

I have...the car ran great the week or so I was driving it around and then after it sat for a week getting some body work done it ran sluggish, and now it runs much better, but the afr is rich

 

well rich = safer but less power.

 

Have you run out of meth??

i know... its not implying any stupidity.. im just sayin.. if your car was tuned for meth, and it ran out, the car would run funny...

 

Nope, I immediately checked the meth and made sure I had some and it was indeed spraying. I topped it off and did some pulls and went through another half a tank.

It gets really rich up top and today its rich in all of 3rd gear...

 

It'd go lean if meth ran out.

 

yes your right.... didnt see the going rich part...

sorry! I would have your tuner check it out immediately, i think thats were the problem is.

 

Make sure the body shop didn't steal parts or something.

I'm kinda joking but not really.

 

Yeah...body shop didnt steal anything. lol. the tune was perfect for about a week and a half, but all of a sudden it runs super rich. Btw I cleared the code last night and drove 45 miles and it hasn't come back on.

When I went to get the tune we swapped downpiped as well. The downpipe that was on the car before we tuned blew the inside lining of the flex pipe. It only had a quarter sized hole to flow through. i am wondering that if it happened again could it make the car run this rich???

If so I already have a fabbed up flex pipe that I could weld in place