What does the GMC code p0332 mean?
P0332 GMC Meaning The Knock Sensor (KS) system monitors both knock sensor s in order to determine if detonation is present. If the KS system determines that excessive knock (detonation) is present, the Powertrain Control System (PCM) retards the spark timing based on the signals from the KS system.
How to get p0327 p0332 to go away?
-Replaced both knock sensors and the wiring harness, properly cleaned and torqued etc. -BOTH pending codes P0327 and P0332 come up within a couple minutes of running after every time I reset them. (Yes, they are plugged in, it’s the first thing I checked!!
When does the p0327 knock sensor come back?
Code P0327, and it would come back after 2 drive cycles. (front knock sensor, low voltage). Rather than pulling the manifold, I threaded the new sensors into the front of the left head, and hooked the new harness to them. I bought the two knock sensors on eBay for $10 total, and the harness for $15.
How many mpg does a p0332 small block get?
The tank of gas I ran with the knock sensors out of wack was just over 10 mpg! EEK! Timing advance under moderate acceleration with the bad sensors was around 4 to 8 degrees. With the ACDelco it was around 16 to 25 degrees. I am assuming that is quite a hit in power and efficiency. 4 years later…
What causes a p0332 trouble code on a GMC Sierra?
What Causes A P0332 Trouble Code? In the majority of cases, a bad rear knock sensor is the cause of the P0332 trouble code lighting up the check engine light on your Chevrolet Silverado (Suburban, Tahoe) GMC Sierra (Yukon, Yukon XL). The 4.8L, 5.3L, and 6.0L engines are notorious for rear knock sensor failure from corrosion due to moisture.
What does trouble code p0332 on a knock sensor mean?
A trouble code P0332: Knock Sensor No. 2 Circuit Problem usually tells you that the rear knock sensor has failed. In this tutorial I’ll explain what this trouble code means. I’ll also talk about some of the tests you can perform to find its cause. NOTE: The knock sensor is also known as the detonation sensor. What Does Trouble Code P0332 Mean?
-Replaced both knock sensors and the wiring harness, properly cleaned and torqued etc. -BOTH pending codes P0327 and P0332 come up within a couple minutes of running after every time I reset them. (Yes, they are plugged in, it’s the first thing I checked!!
Where can I get a p0332 code reader?
So I went and bought a $100 code reader at the evil empire (Wal-Mart). Lately, I’ve just left the code reader plugged in, sitting in the cup holder, as every other run cycle I have to clear codes P0332 and P0327.