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.
How to troubleshoot a GM 4.8L 5.3L truck?
The most logical starting point, when troubleshooting a misfire on your 4.8L, 5.3L or 6.0L pickup, van or SUV is testing the COP coils for spark. Why? Because a failed COP coil is usually the reason behind the misfire in the majority of cases. Here are my specific recommendations: Check for misfire codes with a scan tool first .
What causes a flashing check engine light on a GMC Sierra?
While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Sierra’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped .
What causes a GMC Sierra engine to misfire?
Keeping in mind that any engine needs air, fuel, and spark for ignition, your GMC Sierra’s fuel system can often cause the engine to misfire. It can run too lean or rich. Alternatively, there may not be enough fuel for proper combustion, or the fuel isn’t atomizing properly.
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.
While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Sierra’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped .
How to test the TPS ( 1999-2002 V8 Silverado, Sierra )?
You can find this tutorial in Spanish here: Cómo Probar El Sensor TPS (1999-2002 V8 Silverado, Sierra, Suburban, Tahoe, Yukon) (at: autotecnico-online.com ). NOTE: This tutorial applies to the following vehicles since they use the exact same throttle position sensor:
Keeping in mind that any engine needs air, fuel, and spark for ignition, your GMC Sierra’s fuel system can often cause the engine to misfire. It can run too lean or rich. Alternatively, there may not be enough fuel for proper combustion, or the fuel isn’t atomizing properly.
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?
What are the symptoms of a p0332 DTC?
You may notice drivability problems including fluctation engine RPM, a loss of power, and perhaps some hesitation. There may also be other symptoms. Potential causes for a P0332 DTC include (but are not limited to): The knock sensor is faulty and needs to be replaced There is a wiring open/short/fault in the knock sensor circuit
Why does the PCM record a p0332 code?
If the knock sensor 2 circuit gives a low input signal, the PCM (powertrain control module) record a P0332 code and illuminate the Check Engine Light. The knock sensor’s purpose is to signal to the PCM when the engine is pinging.
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?
If the knock sensor 2 circuit gives a low input signal, the PCM (powertrain control module) record a P0332 code and illuminate the Check Engine Light. The knock sensor’s purpose is to signal to the PCM when the engine is pinging.
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!!
Why is the knock sensor on my GMC Sierra not working?
It would be wise to start by taking a look at the wiring harness. P0332 is telling you that the ECM/PCM is getting a low signal from the knock sensor. When this happens the computer will operate as though it is getting no signal from the sensor at all. Check the wiring leading from the sensor and see if any of it has been damaged or frayed.
What does the p0332 knock sensor code mean?
P0332 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra). When the knock sensor fails, the fuel injection computer will light up the check engine light with one (or both) of the following trouble codes: P0327 Knock Sensor No. 1 Circuit Problem.
What does the code p0332 on the PCM mean?
A trouble code P0332: Knock Sensor No. 2 Circuit Problem lets you know that the rear knock sensor (located nearest to the engine compartment firewall) is not functioning properly. To be a bit more specific, this code tells you that the PCM is receiving an AC voltage signal from the knock sensor that is too low or too high.
P0332 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra). When the knock sensor fails, the fuel injection computer will light up the check engine light with one (or both) of the following trouble codes: P0327 Knock Sensor No. 1 Circuit Problem.
Where are the knock sensors located on a GMC Truck?
How long will this take? Plan on 3-4 hours; shorter if things are relatively clean under your Intake Manifold. Where are the Knock Sensors (KS) located? GM, in their infinite wisdom, hid the sensor underneath the intake manifold.
A trouble code P0332: Knock Sensor No. 2 Circuit Problem lets you know that the rear knock sensor (located nearest to the engine compartment firewall) is not functioning properly. To be a bit more specific, this code tells you that the PCM is receiving an AC voltage signal from the knock sensor that is too low or too high.
What kind of engine does GMC Sierra 1500 have?
Read the vehicle’s owner’s manual for more important feature limitations and information. Sierra’s 9,200-lb rating requires a properly equipped AT4 Crew Cab Short Bed 4WD model with 5.3L V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual.
You may notice drivability problems including fluctation engine RPM, a loss of power, and perhaps some hesitation. There may also be other symptoms. Potential causes for a P0332 DTC include (but are not limited to): The knock sensor is faulty and needs to be replaced There is a wiring open/short/fault in the knock sensor circuit
What does code p0332 mean on car knock sensor?
Code P0332 Severity – High Pinging damages the lifetime of a vehicle’s engine and can affect its ability to run cleanly and efficiently. The PCM cannot get the correct information if the knock sensor is malfunctioning and can damage the lifetime of the engine. Code P0332 Common Diagnosis Mistakes
What does p0332 mean on Chevy knock sensor?
The P0332 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems.
How much does it cost to fix a p0332 Chevy code?
What does this mean? The cost of diagnosing the P0332 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. When is the P0332 CHEVROLET code detected?
The P0332 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems.
Is there a knock sensor on my GMC 1500HD?
I have a 2002 GMC 1500HD with the 6.0lq4. I just recently bought it and the engine compartment was very dirty, so I washed it. Shortly after, the ses light came on with the p0332 code, which I found out is knock sensor bank 2. Did some digging and research and found out that the knock sensor corroding is a common issue and it robs power and m.p.g.
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.
Are there any knock sensor problems on GM trucks?
Knock Sensor Problems on GM Vehicles. Knock sensor problems are common on 1999-2007 Chevy Silverado, Express Van, Tahoe and Suburban trucks. Of course, this means that the GMC Sierra and Yukon of the same years have the same issues.
What happens if you get a trouble code on a GMC Sierra?
The P0300 GMC trouble code will trigger the Sierra’s service engine soon light. The vehicle itself may begin to run rough. It depends on how serious the misfire is. The vehicle may produce excess vibration, espescially at lower RPM
Code P0332 Severity – High Pinging damages the lifetime of a vehicle’s engine and can affect its ability to run cleanly and efficiently. The PCM cannot get the correct information if the knock sensor is malfunctioning and can damage the lifetime of the engine. Code P0332 Common Diagnosis Mistakes
What kind of engine does a Sierra 3500 have?
Requires Sierra 3500 HD Regular Cab Long Bed 2WD DRW with available Duramax 6.6L Turbo-Diesel V8, Max Trailering Package and gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Where is the trouble code on a GMC?
When retrieving GMC trouble codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on.
What are the most common problems with a GMC Sierra?
Another 258 people reported the second-biggest issue where heating and air conditioning temperature and air delivery mode door actuators may fail. If one or more delivery mode door actuators fail, the HVAC system may not produce correct temperatures or air delivery. The HVAC system stores fault codes, which help with diagnosis.
Which is the diagnostic code for a GMC check engine light?
1 Refer to our Generic OBD II code list for definitions on all other GMC diagnostic trouble codes. 2 Manufacturer Specific Codes 3 P1031 4 P1032 5 P1105 6 P1106 7 P1107 8 P1108 9 P1109 10 P1111
What is the trouble code on my GMC Sierra?
P0446 GMC Sierra. One of the most common trouble codes with the GMC Sierra is the P0446 code. This trouble code references a number that is given to you when you plug your Sierra into a OBDII scanner. P0446 Indicates that there is a fault in the evaporative emission control system. It often appears with other codes, such as P0420, P0441, or P0440.
What does p0332 mean on a GMC Sierra?
P0332 is a powertrain related OBD-II trouble code. It has the same meaning for the GMC Sierra as it would any other vehicle. By definition, P0332 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range from the knock sensor (Sensor 2 | Bank 2).
How do you clear a GMC fault code?
Once you locate the battery, the method for clearing the code is the same, regardless of the year, make or model of GMC vehicle. Fault codes can be set off in a vehicle for a variety of reasons, ranging from a loose gas cap to a major mechanical problem. Turn off the vehicle. Pop the hood by pulling on the hood release under the dashboard.
What’s the trouble code on a Chevy Silverado?
P0420 is another common trouble code that accompanies P0446. P0446 code will typically not be accompanied by any noticeable symptoms. The service engine soon light will come on, but that is usually about it. You might (not very likely) notice a slight decrease in fuel economy.
Why does my Chevy Silverado have a p0327 trouble code?
A bad front knock sensor will cause a P0327 trouble code to set and the check engine light will illuminate on your Chevrolet Silverado (Suburban, Tahoe) GMC Sierra (Yukon, Yukon XL). The 4.8L, 5.3L, and 6.0L engines are notorious for corrosion, due to excessive moisture accumulating under the intake manifold, to disable the knock sensors.
-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!!
What are the symptoms of a p0327 DTC?
You may notice drivability problems including fluctation engine RPM, a loss of power, and perhaps some hesitation. There may also be other symptoms. Potential causes for a P0327 DTC include (but are not limited to): The knock sensor is faulty and needs to be replaced There is a wiring open/short/fault in the knock sensor circuit