Tahoe 06 codes PO220 and PO2135

Question

Doesnt happen all the time it's ok a week or two then limp mode cyl the key runs great then a week does it again

Answer 1

P0220 TPS 2 signal circuit voltage out of range

P2135 Throttle position 1-2 correlation

You basically have one code that set the reduce engine , P0220 you can replace just that TPS