Po327 chevy

(1999-2006 v8 chevrolet silverado, gmc sierra) Chevy tahoe 2003 sensor im getting model kalamykid P0332 code chevy silverado. Chevy Knock Sensor 5.3 4.8 6.0 Replacement CODE P0332, P0327 - YouTube. Silverado 4wd procedure Im getting a po332 and a p0151 on my chevy tahoe 2003 model i know it Chevy knock sensor 5.3 4.8 6.0 replacement code p0332 ...

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P0327 and P0332 codes won't clear. 5.3L 1999. New rebuild. New knock sensors. I'm having the same problem with the P0327 and P0332 codes. Clear them, then after 50 miles the codes come back. Engine runs like silk under all load conditions and fuel types. I'm in Colorado and can't pass emissions (and get new tags) with the check engine light on.GM may be replacing tens of thousands of Bolt EV batteries, but it won’t have to pick up the tab for most of them. The automaker has reached a deal that will have LG pay nearly all...Replaced knock sensors and harness Chevrolet 2002 ran all test that show them working but still get po327 code. Mechanic's Assistant: Which particular sensor are you asking about? And have any trouble codes been triggered? Yes PO327 left bank. Mechanic's Assistant: What is the model of your '02 Chevrolet? LS 6.0 HDDec 28, 2017 · First there are two knock sensor fault codes. One is for Bank one, the other for Bank 2. However, both sensors are located directly in middle of the valley. We're getting code P0327, anybody know if that's the front knock sensor or the rear knock sensor and which sensor is which on the harness... The forthcoming Chevy Bolt and expected improvements in the Nissan Leaf will provide electric car owners with greatly increased driving range at affordable prices. By clicking "TRY...GMC Chevy P0332 P0327 Knock Sensor Circuit Low Input "TSB". Watch on. Average Reported Mileage: 338036. Tests/Procedures: 1. Disconnect the Blue Powertrain Control Module (PCM) connector and check the resistance value on the Light Blue wire at pin 11 for sensor two and the Dark Blue wire at pin 51. Both of these should be on the Blue PCM connector.P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Malibu as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting.P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Cruze as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting.

P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Cadillac CTS as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correctingP0300 is a generic OBDII code that can occur with the Chevy Silverado. This code indicates that your truck’s engine is misfiring and can be a drivability threat. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). If you have P0300 and a cylinder-specific misfire ...Here are the most common causes of P0175 in the Chevy Avalanche: Vacuum Leaks- With the Chevy Avalanche, a vacuum leak is one of the most common causes of the P0175 code.Take a look around and see if you can find a vacuum leak. Here's a great YouTube video on how to find a vacuum leak.; Oxygen Sensor- The P0175 code is thrown when the B2S1 O2 sensor does not register the right amount of ...Condiciones para Eliminar la MIL/DTC Codigo de falla P0327. El módulo de control APAGA (OFF) la luz indicadora de fallas (MIL) después de 3 ciclos de encendido consecutivos en que el diagnóstico se ejecuta y no falla. Un DTC actual, Última Prueba Fracasada, se borra cuando se ejecuta el diagnóstico y este pasa existosamente la prueba.23-Jun-2020 ... Comments1 · 2000 GMC Yukon 5.3 Cómo cambiar los knock sensors código P0327-P0332 · 2005 chevy Silverado 5.3 code p0327.Potential causes of a P0231 code include: Bad FP (fuel pump) relay. Harness chafing causing open in fuel pump supply circuit. Loose/damaged connectors. Open in feedback circuit. Fuel pump fuse blown due to short to ground. NOTE: If no drivability complaints are present and P0231 code is stored, suspect open in feedback circuit between splice ...P0327 Po327. Chevy Mechanic: ... I have a 2000 chevy suburban 5.3, after we had the vehicle washed, the service engine light came on, had it checked and it said low voltage knock sensor, can anyone advise and also where they are loca ...Yes, a vacuum leak can cause P0507 in a Chevy Silverado. Vacuum leaks can lead to an increase in the engine's idle speed, as the engine's computer tries to compensate for the extra air entering the system. This can result in the P0507 code being triggered. It's important to inspect and repair any vacuum leaks in your vehicle to resolve ...

2) Check that the knock sensor properly grounds when installing them. This can be done by making sure any dirt, rust, corrosion is cleaned up down in the "hole" before you install it. A good clean surface will ensure a good ground. 3) Re-learning the ECM.Chevy Knock Sensor Codes PO332 PO3272001 Chevy 2500HD 6.0LJan 17, 2020 · P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Equinox as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting. The byproduct is an oily mist that travels from the top of your head to the inside of your intake manifold. It will not harm your engine, but over the years it will gunk up the combustion chamber. You can stop the oil build up with a catch can, but you have to empty the catch can every oil change.

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Pulled codes p219b,p0328, p0327 and p0150 on 2013 police. Pulled codes p219b,p0328, p0327 and p0150 on 2013 police package tahoe … read more. Lance Answer. Master Auto Technician. Jehndam Advanced OMC a... 2,351 satisfied customers. Check eng lite, code is P0325. And loose pover.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0332 Saving Repair Parts...P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy HHR as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correctingNov 24, 2016 · This video was produced to provide critical supplemental repair information regarding knock sensor codes and proper repairs. This video is complements our or...

6 POSTS. Yeah the check engine light was on and P0327 was the trouble code, I figured it was dangerous to drive, so I will avoid driving it, but next week I have to drive it 50 miles to have them repair it. Was this. answer.This could cause a crankshaft speed variation and transmit a noise into the front of the engine. P0327 is the front Knock sensor. Additionally, listen for any abnormal noises in this area be sure to inspect if it looks like any of the accessory drive components have be removed (alternator, waterpump etc). If yes, Look for loose mounting bolts.Diagnostic trouble code (DTC) P0327 stands for "Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor).". It is triggered when the powertrain control module (PCM) detects very low voltage readings from your vehicle's primary knock sensor circuit. Take note that the voltage value may vary depending on your vehicle's make and model.Khan Pou Senchey was established in 2011 by taking the following 13 Sangkats from Khan Dangkao: Trapeang Krasang, Kouk Roka, Phleung Chheh Roteh, Chaom Chau, Kakab, Samraong Kraom, Krang Thnong, Boeng Thum, Kamboul, Kantaok, Ovlaok, Ponsang and Snaor. [3]Automatic Transmission Mount. 23277115. GM. Trans Mount. Secures transmission Absorbs drivetrain vibrations, helping create a comfortable ride Designed to function with surrounding components This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. MSRP $75.57.I have a 2000 silverado with 5.3 engine. Check engine light is on. Codes are PO327 and PO332. I've replaced both knock sensors and knock sensor harness. I cleared the codes but they still come right back.2004 Chevrolet tahoe Fix Code PO307 witch means Misfire Detected in #7 Cylinder and this is the way i fixed it. I just replaced coil and sparkplugPara resolver el código de falla P0327 en un Chevy Avalanche, se pueden seguir los siguientes pasos: Verificar el sensor de detonación: Primero, se debe verificar el sensor de detonación y las conexiones eléctricas para asegurarse de que estén en buen estado. Si el sensor está dañado, debe ser reemplazado.

Recommended Services. You only have one sensor on this engine. If the P0327 trouble code continues then have the engine checked to see if you have an engine knock or the fuel you are using is below 87 octane, causing the engine to ping, setting off the sensor. Try to remove the sensor from the block and retest the system if you do not hear a knock.

Most likely both problems can be solved with replacing the knock sensors, building a dam in front of the rear knock sensor, the knock sensor harness along with replacing the intake manifold gaskets. DTC P0327 is Knock Sensor 1 Circuit. The knock sensor (KS) system detects engine pre-detonation.Engine parts and other information for the Chevy 396 V8. The 396 is most popular for its use in the Chevy Chevelle. Chevrolet 1960-1969; Chevrolet 396 V8 Engine. The Chevy 396 V8 was a very important step forward for GM in the battle of the 60s era muscle cars. Pontiac, Oldsmobile and Buick had drawn a lot of attention in 1964 with such muscle ...P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Avalanche as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correctingMax Brake Horsepower: 235 @ 4800 rpm. Max Torque: 325 @ 2800 rpm. Stroke: 3.25. Bore: 4.001. Compression: 9.00. Firing Order: 18436572. Information and engine specs on the Chevy 327 V8. Engine parts and information for the Chevy 327 V8 such as horsepower and firing order. The 327 by Chevrolet was produced from 1962 to 1969.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0328 Saving Repair Parts...Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ...I am sorry to hear that you are experiencing problems with the 2017 Chevrolet Traverse. I will do my best to help you resolve the issue. Ask Your Own Chevy Question. Thank you. Chevy Mechanic: Frank@AutoPro. I just took a look at the P0327 code that you had stored, this code is linked to the knock sensor on the bank 1, the one you have replaced ...If you have replaced the knock sensor and are still getting a code P0327, it is possible that there is another issue with the engine. It could be a problem with the ECU, wiring, or connectors. If you have checked all of those things and are still getting the code, it may be time to take your car to a mechanic or dealership to have them diagnose ...P0335 is a generic trouble code set by the powertrain control module (PCM) when it fails to detect normal operation from the crankshaft position sensor. While most automakers use this code, there are a few that have a different meaning, so it's important to do your research. The function of the crankshaft position sensor is to tell the PCM ...

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Dec 5, 2021 · Hello, You might consider checking the resistance of the new sensors to make sure they weren't bad out of the box. Resistance should be 93-107K ohms. According to the repair information I have, the torque is also important on these knock sensors, and both should be snugged down to 15 ft lbs. 10-Sept-2018 ... Cheap easy way to bypass a bad knock sensor on gm vortec v8 for a code p0332 or p0327. 2000-2007 gm/Chevy pickups and suvs 19510227.Get ratings and reviews for the top 11 gutter guard companies in Chevy Chase, MD. Helping you find the best gutter guard companies for the job. Expert Advice On Improving Your Home...P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Trax as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting.How to fix code P0335 on a 2011 Chevy Silverado with the check engine light on the dashboard .P0335 Crankshaft Position Sensor A Circuit MalfunctionWhat's th...What are codes P0327 and P0332, and what do they mean? P0327, “Knock Sensor 1 Circuit Low Input (Bank 1),” and P0332, “Knock Sensor 1 Circuit Low Input (Bank 2),” usually mean your knock sensors are bad—they’re malfunctioning—and need to be replaced . What is engine knock?Engine speed is between 400-4,000 RPM for 200 or more cumulative revolutions. Engine air flow is between 10-2000 mg per cylinder. The ECM detects that either knock sensor signal performance is out of the normal calibrated range due to excessive engine knock on a per cylinder basis.2003 chevy Tahoe 5.3 4wd. Codes p0171, p0174, p0300. Plugs wires and fuel filter just done. 46lbs of fuel pressure at - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website.P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Sonic as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting.I've been trying to figure out this P0327 (knock sensor circuit low voltage).VIN: ***** 2010 COBALT LT 2.2.I was able to get the wiring diagram and schematic for the knock sensor circuit.I disconnected the X2 connector at the ECM and the connector from the knock sensor and tested the wires between Pins 50 and 51 from ECM to knock sensor.I have straight continuity from end to end.Labor to replace a knock sensors on the Chevy truck is about 2 hours. Vehicle is setting a DTC P0332 and P0327 for low or insufficient knock sensor activity from …Causas del código DTC P0327 Chevrolet. Pueden ser varias las razones detrás de la detección de un código DTC P0327 Chevrolet en un coche. Algunas causas pueden incluir: Sensor de golpes defectuoso en el Banco 1. Circuito de conexión eléctrica deficiente del Sensor de golpes en el Banco 1. Haz del Sensor de golpes en el Banco 1 abierto o ... ….

3648 posts · Joined 2005. #1 · Apr 2, 2007. My car started throwing two codes lately - P0327 and P0332. Both are related to the low voltage at the knock sensors. It started with P0332 last week. P0327 just started happening the other day. I've cleared them three times and they've come back every time after driving on the freeway for a few ...The p0327 Chevy Silverado is a special edition of the Silverado, released in 2019. This edition was designed to give Silverado owners an even more luxurious experience, with features like a standard 8-inch infotainment system, a powerful 5.3L V8 engine, and an updated exterior design.P0327 – Knock Sensor Circuit Performance Sensor 1. P0332 – Knock Sensor Circuit Performance Sensor 2. The technician decided to replace both Knock Sensors. He also did a tune-up and checked the crankshaft position sensor (it was okay). After a test drive, the DTCs returned. Tech-Assist suggested to first measure the knock sensors resistance ...El código de falla P0327 en un Chevy Equinox puede ser una verdadera molestia para cualquier dueño de un vehículo. Este código se refiere al sensor de golpeteo con entrada baja, lo que significa que el sistema de detección de golpeteo del motor no está funcionando correctamente.. Afortunadamente, existen soluciones para este problema.02 avalanche 5.3 code po327 just change knocks sensors and wires n light is back on - Chevrolet 2002 Avalanche question. Search Fixya. Browse Categories ... 05 Chevy Avalanche Knock Sensors 4 8 5 3 6 0 knock sensor replacement GM. Read full answer. Mar 06, 2016 • Cars & Trucks.07-Nov-2011 ... I am guessing that you mean P0325 and P0327. Here is an easy way to get info about OBDII codes: www.obd-codes.com/(your code here). Or just ...I have a 1999 chevy truck with a rebuilt engine 4.3L V6. Engine light coming on for awhile and then going off for awhile. The engine has about 3000 miles on the rebuilt engine. But I keep getting codes P0174, P0171, and P0327. The problem that I am having is that the engine light will come on for awhile and then it will turn itself off for awhile.Jun. 04 2019. Vehicle: 2003 Chevrolet K 1500, 4WD, V8-4.8L, VIN V, Automatic Transmission. Mileage: 215,675. Problem: The truck came in because the malfunction …Chevy Cobalt Forum - Cobalt Models. Tech. General Discussion . P0327. Thread starter 2008CobaltOwner; Start date Oct 19, 2017; Oct 19, 2017 #1 2. 2008CobaltOwner Junior Member. Joined Oct 19, 2017 Posts 8 Reaction score 0 Location Ontario. Hi, my 2008 2.2L base model threw P0327 after sitting for several days in rainy weather. ...28. Pull one of our dyno session begins with a flat tappet 327 Chevrolet with a period Edelbrock Streetmaster intake and 0-1850 Holley. We got nearly 400 horsepower and comparable torque from this ... Po327 chevy, This diagnostic procedure supports the following DTCs: DTC P0327 Knock Sensor (KS) 1 Circuit Low Frequency. DTC P0332 Knock Sensor (KS) 2 Circuit Low Frequency. Conditions for Running the DTC. DTCs P0116, P0117, P0118, P0120, P0122, P0123, P0125, P0128, P0220, or P2135 are not set. The minimum noise level must be learned., Dec 28, 2017 · First there are two knock sensor fault codes. One is for Bank one, the other for Bank 2. However, both sensors are located directly in middle of the valley. We're getting code P0327, anybody know if that's the front knock sensor or the rear knock sensor and which sensor is which on the harness... , P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Tahoe as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting., P0327 on Chevrolet Tahoe 1997 5.7L. Customer's complaint: Check engine light (MIL) is ON Mechanic's Fix: Only stored code is P0327, the knock sensor's resistance is slightly off which is setting the code. Fixed by replacing the knock sensor . p0327 on Mercedes-Benz C36 AMG 1996 3.6L. Customer's complaint: Check engine light (MIL) is ON, How to fix code P0335 on a 2011 Chevy Silverado with the check engine light on the dashboard .P0335 Crankshaft Position Sensor A Circuit MalfunctionWhat's th..., 2002 CHEVY Tahoe 5.3L changed knock sensors twice after getting trouble code PO332. Check blue wire from sensor connection to computer and get required 5 volts. Changed spark plugs and wires. ... Have codes PO332 and PO327. what triggers these codes and what should I be doing first to try and correct the problem? ..., Automotive teaching, 17-Sept-2020 ... GM Vortec/LSx Knock Sensors: Diagnosis and Replacement - 4.8, 5.3, 5.7, and 6.0 V8 P0332 P0327 ... Chevy Silverado Knock Sensors FIX IT RIGHT The ..., P0332 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Avalanche 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). Clearing this code., See full list on guidemechanic.com , Kod usterki P0327 - przewodnik krok po kroku jak go zdiagnozować i usunąć. Znaczenie kodu błędu P0327 - Czujnik spalania stukowego 1 (Bank 1 lub poj. czujnik) – niski sygnał wejściowy. P0327., Condiciones para Eliminar la MIL/DTC Codigo de falla P0327. El módulo de control APAGA (OFF) la luz indicadora de fallas (MIL) después de 3 ciclos de encendido consecutivos en que el diagnóstico se ejecuta y no falla. Un DTC actual, Última Prueba Fracasada, se borra cuando se ejecuta el diagnóstico y este pasa existosamente la prueba., If you have a P0171 code on your Chevy Equinox, it means that the engine is running lean. This can be caused by a number of factors, including a dirty air filter, faulty oxygen sensor, or leaky intake manifold gasket. If you suspect that your Equinox has a P0171 code, the first thing you should do is check the air filter., 👉 0:38 Significado de la falla P0327🔥 Solicita tu Manual de Reparación: https://codigosobd2.com/l P0327: Entrada baja del circuito del sensor 1 de detonac..., 14-Apr-2021 ... Fixed Knock Sensor Code PO332 PO327!! It's The Resistance ... GM Chevy P0332 P0327 Supplemental Repair Information. The Car Doctor ..., First there are two knock sensor fault codes. One is for Bank one, the other for Bank 2. However, both sensors are located directly in middle of the valley. We're getting code P0327, anybody know if that's the front knock sensor or the rear knock sensor and which sensor is which on the harness..., 02-Dec-2017 ... Knock sensor testing and replacement. Often, the hardest part of the job is getting access to the sensor. On some vehicles it's quite easy., The forthcoming Chevy Bolt and expected improvements in the Nissan Leaf will provide electric car owners with greatly increased driving range at affordable prices. By clicking "TRY..., One of the most common trouble codes with the GMC Sierra is P0174. It indicates that your GMC Sierra is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of., Great GM history lesson, i have several 283, 327, 302 DZ engines and internal block parts Nos GM from a COPO Dealership that closed in NC.im also sitting on 9sets of small block chevy 49cc cylinder heads from Dart Machinery Inc.Bare heads NOS in boxes.I have built several DZ engines for restorations., I'm getting codes P0332 & P0327 - Knock Sensor both banks simultaneously even after changing out both sensors with OEM sensors and new wiring harness. I torqued the sensors to 15 Ft. Lbs and cleaned the wells before installation. I've done this twice (once with non-OEM knock sensors) and one with AC-Delco sensors., P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Sonic as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting., That could very well be the crankshaft position sensor, (24x) . If either the 24X crank sensor or the cam signal are not present, the KS signal will stop updating and may set DTC P0327. The ignition positive voltage supply and the ground circuits need to be diagnosed using the DTC P0336. . P0327., P0327 - Knock Sensor Circuit Performance Sensor 1. P0332 - Knock Sensor Circuit Performance Sensor 2. The technician decided to replace both Knock Sensors. He also did a tune-up and checked the crankshaft position sensor (it was okay). After a test drive, the DTCs returned. Tech-Assist suggested to first measure the knock sensors resistance ..., Ok guys I have a 2003 chevy and have paid three times for an answer and they have all been wrong. I can't keep dumping Money here. I got a code for a po327 on a 2003 Silverado 2500 hd I have replaced both knock sensors and put a new gm wiring harness. and replaced the PCM BECAUSE I was told that was they only thing it could be. Between 8 and ten miles the truck continues to throw a code for ..., 2020 Chevy sonic 1.4l 11000miles I had damaged engine harness: I had 2 codes for fan control and mass air flow meter(car did not see it at all, looks like wire cut off somewhere), I replaced wire harness and now have 3 new codes p0328, p0327 low and high knock sensor, and p0622 for alternator, if I disconnect connectors - knock shows open circuit, put for alternator nothing changes(0622 still ..., 6 POSTS. Yeah the check engine light was on and P0327 was the trouble code, I figured it was dangerous to drive, so I will avoid driving it, but next week I have to drive it 50 miles to have them repair it. Was this. answer., I have a 1999 chevy truck with a rebuilt engine 4.3L V6. Engine light coming on for awhile and then going off for awhile. The engine has about 3000 miles on the rebuilt engine. But I keep getting codes P0174, P0171, and P0327. The problem that I am having is that the engine light will come on for awhile and then it will turn itself off for awhile., Greatest car repair video of all time.2010 Chevy Cobalt, General Motors said it has secured more than 110,000 reservations for its new all-electric Chevrolet Silverado, which includes reservations from more than 240 fleet operators, Chai..., If you've ever come across the code "P0327 Chevy" while troubleshooting your vehicle, fear not, for we delve into the mysterious realms of automotive diagnostics. Unveiling the secrets behind this enigmatic code, this article navigates through the intricate web of sensor intricacies, ensuring you emerge enlightened and ready to conquer any mechanical challenges that come your way., Codes po758 po753 po740 po785 po1860 po332 po327 po141. Just the knock sensor related ones. 2004 chevy avalanche z71 - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website., P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Chevy Cruze as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting.