code says it's a knock sensor

2004 GMC SIERRA
127,000 MILES
Avatar
BBBBBBAA
  • MEMBER
  • 1 POST
I recharged the k&n filter on my 2004 gmc sierra and the check engine light came on. The code says it's a knock sensor. Is there an easy solution?
Sep 4, 2012 at 2:36 PM
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
try cleaning the maf sensor because you probably put to much oil on the filter. have teh code cleared and seeif that takes care of it
Sep 4, 2012 at 5:38 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle