Lq4 swap with SS2 cam
03-11-2023, 10:32 PM
#1
Lq4 swap with SS2 cam I’m looking to purchase a 2000 Silverado RCSB with a swapped lq4. The guy swapped out the 317 heads and installed 706 heads and a sloppy stage 2. Truck has long tubes and is throwing a p1153 Code. Could be it just needs new 02 sensor. It does have a tune and runs decent but I noticed it almost has a sputter during WOT runs. Punch it at 3k and it goes but almost like it has a slight miss across the rpm range. They screwed up the aftermarket valve covers and some coils aren’t mounted. Not sure if there is a grounding issue with the coils that could be causing this. It has a built 4l60 with 3600 stall and 4.10 gears with a locker. It’s not a bad price just not wanting a can of worms.
03-12-2023, 10:08 AM
#2
TECH Senior Member
P1153 indicates a faulty O2 sensor.
It is Bank 2 Sensor 1. Replace it and it should be good.
It is Bank 2 Sensor 1. Replace it and it should be good.
03-12-2023, 12:43 PM
#4
TECH Senior Member
Just use a quality (gennie GM...) sensor for the intended purpose and it will be fine
