Chevy cruze knock sensor problems

Access our Silverado 2008 Knock Sensor (KS) Repair Guide Location by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides. Add your vehicle in Manage My Vehicles. Enter your vehicle details. Click the "View More" button, and then click "Vehicle Repair ...

Chevy cruze knock sensor problems. Duralast Ignition Knock (Detonation) Sensor SU13919. Part # SU13919. SKU # 784249. Limited-Lifetime Warranty. Check if this fits your 2015 Chevrolet Cruze. Notes: USA region. PRICE: 21.49. $2149. Select store.

Sensor faults. Iced up intake system piping. If the engine can't get enough gas or air to operate properly or if it detects sensor problem, it will reduce power. It feels like there is no torque when accelerating and revs higher than usual. 2018 Cruze Turbo Diesel Sedan 1.6L 9T50. 2019 Cruze Turbo Diesel Hatch 1.6L 9T50.

My 2013 Chevy Cruze will intermittently start rough and then proceed to bog down and stall within the first 30 seconds of running, whether I am parked or have begun driving forward or in reverse. I don't have any issues after this early startup timeframe, and if it stalls and I restart the engine, the problem doesn't reoccur and run great. Most of the time occurring on a cold engine but ...In this video we'll talk about 5 bad knock sensor symptoms and how you can fix this issue. Your engine is like your body – if one part isn’t working properly...Step 1. Pull your hood latch. Open your hood. Place your socket set over the bolt holding your negative battery cable. Turn the socket to the left to loosen the bolt. Slip the cable off.Buy Bosch Automotive 0261230042 Original Equipment Manifold Absolute Pressure (MAP) Sensor for Select Cadillac SRX; Chevrolet Cobalt; Porsche Cayenne, Panamera, 911; Saab 9-3, 9-5; Saturn Ion: Pressure - Amazon.com FREE DELIVERY possible on eligible purchases. www.amazon.com. Don't forget to introduce yourself and your Cruze here.2012 Cruze Eco Temp Sensor Issue. Hello all! I've been having a rather common issue with my 2012 Cruze Eco. The Symptoms WERE as follows: 1) Check engine light on. 2) Message reading A/C shut off due to high engine temperature. 3) No coolant temperature reading on dash needle or dash menu. 4) Radiator fan turning on as soon …

The issue you're describing with your 2011 Chevrolet Cruze could potentially be caused by a faulty oxygen (O2) sensor or camshaft sensor. The O2 sensor is responsible for monitoring the amount of unburned oxygen in the exhaust and adjusting the air-fuel mixture accordingly. If the O2 sensor is not functioning properly, it can cause a decrease ...The light came back on and as P0324 and I went through a bunch of attempts to diagnose the issue which resulted in tightening the upper timing chain guide and replacing the valve cover. After that drivability issues were still present but on the next scan the code changed to P0325.The Chevy Cruze is a popular and reliable car, but even it can have issues. One of the most common problems is the P0325 trouble code. In this article, we'll discuss the causes of this code and how to fix it. The knock sensor's primary role is to detect and monitor any abnormal vibrations orTpms for chevrolet cruze 20124x tire pressure sensor tpms fit for camaro chevrolet cruze equinox impala malib 2014 chevy cruze 1.4 knock sensor location2015 chevy cruze tire pressure. Chevy cruze tire pressure sensor problemsTpms acadia tahoe cruze ev Amazon.com: programmed tire pressure monitoring system sensor tire pressure sensor kitTire ...If you like low-maintenance gardening that packs a wallop, the Knock Out® family of roses are a must have for your yard. Expert Advice On Improving Your Home Videos Latest View All...I have replaced the cam sensor and the crank sensor on my 2017 chevy cruze, but did not help the problem ( missing, stalling and rough acceleration) ran codes and they all pointed to the sensors. Any advice sure would help. Welcome Aboard! I assume you wanted this in the Gen II section so I will move it in a bit.Symptoms Of A Bad Knock Sensor. The most common symptom of a bad knock sensor is a check engine light on your dashboard. It can also result in a knocking or detonating engine in the worst case, but most often you will notice signs like loss of engine power and high fuel consumption. Below we have a more detailed list of the signs of a bad or ...RepairPal gives the Chevy Cruze a reliability score of 4.0 out of 5.0, ranking it 26th out of 36 compact cars. The annual repair and maintenance cost for the model is approximately $545. The top problems that plague the Chevy Cruze include engine problems, cracked pistons, and electrical failures. Contentshide.

The knock sensor is a crucial component in your engine that helps prevent damage caused by detonation or knocking. It detects vibrations or sounds that are indicative of these issu...May 3, 2022 · So I’ve had some trouble with my Cruze I noticed that I lost power when going up hills and had strange shifts and am also getting bad fuel economy. I get the code p0324. I had the knock sensor replaced, intake manifold, coil pack, valve cover, spark plugs. But I still get the code and have the same issue. If anyone knows what’s going on ... Chevrolet Cruze Knock Sensor. The knock sensor on your Chevy Cruze protects the engine by monitoring irregular vibrations caused by engine knock or detonation, which is when the air-fuel mixture combusts at the wrong time. Data from the knock sensor is sent to the vehicle's computer so it can adjust the ignition timing to help prevent engine knock.Aug 18, 2564 BE ... Buy Now! New Engine Knock Sensor from 1AAuto.com http://1aau.to/ia/1AEKS00047 A knock sensor monitors your vehicle's engine for unusual ...Jul 20, 2021 · 1. Check Engine Light. A bad knock sensor can trigger your Traverse’s check engine light. Any trouble codes from P0325 -P0334 are related to the knock sensor in one way or the other. The code you get will either be for an intermittent problem, high input, low input, or open circuit.

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Chevy Knock Sensor Problems 25 Dec 2023. 2004 chevy tahoe knock sensor replacement cos Replacing knock sensors on a silverado Sensor knock chevy 1994 c1500 chevrolet pickup where locations truck 1500 gm v8 motor ton located 4x2 justanswer possible. ... Knock sensor malfunction. 2012 chevy cruze knock …If the car is not overheating, then the fan does not need to be on. The electrical fans do not always run. Since you have a 2012 model, you should be able to see the coolant temperature reading from the driver information center readouts. Fan does not start until coolant temperature is around 220+. Like.The issue you're describing with your 2011 Chevrolet Cruze could potentially be caused by a faulty oxygen (O2) sensor or camshaft sensor. The O2 sensor is responsible for monitoring the amount of unburned oxygen in the exhaust and adjusting the air-fuel mixture accordingly. If the O2 sensor is not functioning properly, it can cause a decrease ...Find the location of the MAF sensor in your Cruze, unplug the electrical connectors, and remove the sensor from the housing. Spray at least 10 spurts of MAF cleaner onto the sensor and then let it air dry for an hour or until completely dry. Do not use cloth or cotton swabs to clean the sensor, as it can damage it.

4 posts · Joined 2012. #1 · Nov 20, 2012 (Edited) My engine light keeps coming on and the codes are PO 0016 and PO 0340 The car has been in several times to the agents and despite replacing the cam sensor ,they cant sort it out.They have been fiddling with cams and checking cam timing .The car runs fine and and I have to keep clearing the DTC ...Equip cars, trucks & SUVs with 2014 Chevrolet Cruze Sensors from AutoZone. Get Yours Today! We have the best products at the right price. ... 2014 Chevrolet Cruze Knock Sensor. 2014 Chevrolet Cruze Fuel Injection Pressure Sensor. 2014 Chevrolet Cruze ABS Wheel Speed Wire Harness.P0113 Chevy Cruze. P0113 is an OBDII trouble code that occurs when the Chevy Cruze' s engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it. The IAT sensor is responsible for measuring the air temperature and density to achieve the ...Feb 27, 2019 · Enjoy the free fix. It's happened to a few Gen 2's, but it isn't super common. A replacement sensor and you should be on your way. Thanks! Just had the same thing happen, after the second CEL and getting the same knock code, brought it to dealer and they put a new one in problem solved. Put amsoil in and 89 octane minimum and should solve that ... New here. '16 chevy trax 1.4l turbo and googling to try figure out the problem most of the answers are found here, so this is where I decided to ask. Engine codes for knock sensor high output and low output. I had already looked up some things here and installed the Andrei kit. And I've replaced the valve cover and knock sensor.Intermittent Ignition Knock/Detonation. I'm aware that there are multiple related discussions. But before you accuse me of beating an almost-dead horse, hear me out. 166,000 miles. Premium gasoline, AKI 93. Exhaust leak @ exhaust manifold before catalyst. Will be addressed soon. Per my upset O2 sensors, air/fuel ratio is constantly RICH.P0325 stands for "Knock Sensor Malfunction (Sensor 1, Bank 1).". This indicates the powertrain control module (PCM) recognizes an issue with the knock sensor or its circuit. Faulty knock sensors, circuit problems, and issues with the PCM are some of the common causes of the P0325 code. Some of the common symptoms of the P0325 code include ...Check if this fits your 2012 Chevrolet Cruze. Select store. for pickup availability. Standard Delivery by May 01. Add TO CART. Notes: Ignition Knock (Detonation) Sensor. ACDelco GM Original Equipment. PRICE: 29.99. Wiring Harness Length: 3.96in.The National Highway Traffic Safety Administration (NHTSA) requires all models of cars and light trucks newer than 2008 to be equipped with a tire pressure sensor system. This law was enacted due to the high accident and mortality rate of cars and trucks with overinflated or underinflated tires being involved in tire blowouts or rollover accidents.6 years 2 months ago #17562. Pro Tip: Chevrolet Cruze Knock Sensor Codes was created by Tyler. Just another heads up for the hard working folks around …studies, Chevy Cruze Knock Sensor Problems goes beyond conventional study materials, offering a holistic approach to Chevy Cruze Knock Sensor Problems. The journey doesn't end with Chevy Cruze Knock Sensor Problems - we explore how to apply your knowledge in practical scenarios, ensuring that your foundation is not just a stepping stone but a ...What Owners Say. A/C compressor. "AC unit shutting off because of some system failure. Would come back on eventually." Anonymous A., OH (2012 Chevrolet Cruze Unsure 1.8-L 4 Cyl) Refrigerant leaks ...

Key fob and tire pressure sensor problems. Tags ... 2014 chevy cruze stock except for trifecta tune 2lt + convenience package 2.0 luz turbo diesel 6-speed Aisin-Warner AF40-6 with manual shift. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. ChevyGuy.

Code Tech Notes. The P0327 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause engine performance problems. Replacing the knock sensor usually takes care of the problem. User Submitted Video.For chevy cruze 2011-2014 maneki crankshaft position sensor2015 chevy cruze map sensor problem Crank position sensor for 2011-2015 chevy cruze 1.8l 4 cyl 2012 2013 2014 s688qtSensor crankshaft enlarge. ... 2014 chevy cruze 1.4 knock sensor location. Check Details. Standard® - Chevy Cruze 2011 Crankshaft Position Sensor ...The repair for knock sensor codes P0332 and P0327 will vary depending on the specific problem you're dealing with. However, in most cases, the first step will be to 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.Turbo Boost Problems. I have been trying to hunt down a lack of power on my 2011 Chevy Cruze 1.4T. My Cruze has almost no power now and is a huge safety concern when I try to accelerate and it doesn't go. I suspected a problem with the wastegate as this is a known problem with a TSB out there.15872 posts · Joined 2015. #6 · Sep 23, 2021. P1101: MAF Out of Self Test Range. P1101 is one of the most common of the Chevy Cruze trouble codes. Whenever you start the vehicle, the mass airflow sensor does a self diagnostic. If the results of this test are out of range, than the P1101 trouble code is thrown.I own a chevy cruze. 2014. Knock sensor, techron in engine, lucas oil. Knock sensor, and p0324. I took my car to - Answered by a verified Chevy Mechanic. ... I have 2013 Chevy cruse 1.4t .I have problem with p0324-00 and excesive engine noise ...6 posts · Joined 2022. #1 · Feb 5, 2022. I have looked ALL OVER the internet and YouTube trying to figure out what the issue is with my 2014 Chevy Cruze LT 1.4 turbo. The fan Constantly runs and it says "limp mode". We have replaced the thermostat and housing, Mass airflow sensor, map sensor, and turbo charger boost sensor.

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Jul 16, 2022 · I have a 17 Cruze and my first time the knock sensor when out about 2 months ago so I just changed it and then 3 weeks later it came back on and then I changed it again and the. 2 weeks later came back on again and now I can clear the code and it comes right back on but their are time when I crank the car the light is off and runs and drives just fine and as soon as the light comes back on it ... Sounds like the knock sensor itself has failed or a wiring fault from it to the ecm. When the ecm does not receive useful (or any) information from that circuit it goes into a 'fail safe' full ignition retard mode.....hence, low power. This, to remove the possibility of engine damage. Thanks, that makes sense.chilehed said: The title of the thread is "crankshaft position sensor", but you then say you replaced a bank 1 sensor (which would be one of the cam sensors). But in any event: there is no such thing as a crank or cam sensor learn. look up p0350 for the cruze... maybe for a 1.4l but for a 1.8L it is required as the knock sensor circuitry ...The sensor is at the bottom of the block, right above the oil pan, underneath the starter. On automatics, the flywheel is located outside of the block and attaches to the crankshaft with 6 bolts and thread sealer (blue). the rear main seal houses the crank and flywheel connection.Recommended Services. The knock sensor is mounted to the rear of the cylinder block (i.e, the side of the block nearest the firewall) toward the crankshaft pulley. The car must lifted somewhat and safety stands must be placed. Please be aware that hydraulic jacks have rubber seals that can fail at any time with no warning.A failed knock sensor will register a trouble code and illuminate the Check Engine lamp (CEL), although some engines will require multiple failure cycles before storing a code. Misfire. Vibration, especially at highway speed. Thumping or knocking noise from the engine. Poor fuel economy and acceleration.CHEVROLET SONIC 1.8 CHEVROLET CRUZE 1.8THIS VIDEO GIVES A FEW TIPS ON REPLACING THE KNOCK SENSOR (OBD2 CODE P032). THE JOB IS NOT THAT DIFFICULT (3/10) IF Y...Post the codes. 2011-2016 Cruze 1.4 PCV Valve Cover/Intake Manifold Issues. Thanks, I will check out the PCV issue. The most recent code was the knock sensor P0324. I don't know the number for the cylinder 4 misfire. Like. M. Ma v e n. 2200 posts · Joined 2018. ….

17 posts · Joined 2021. #1 · Aug 22, 2021. Hello! Hoping some of you may be able to read below and give me your take on the issues I'm currently having with my 2014 LTZ 1.4L Turbo with around 136k miles. I broke down recently after having gotten a "Oil pressure low, stop engine" warning flash on the dash but quickly disappear.In today's video we take a look at a 2014 Chevrolet Cruze with a 1.4l 4 cylinder turbo engine. The vehicle has a check engine light illuminated and has codes...It is a 2012 Chevy Cruze 1.4 l turbo. The P0300 code is an engine misfire code. A tune up is usually a good place to start with this code. The P0324 code is Knock Sensor related. This usually comes on when you either have a failing sensor, or a knock. The knock is usually caused from too low of Octane fuel being used.Evaporated coolant residue under the hood. Check engine light for codes P0597-P0599. Low coolant level in coolant reservoir. Sweet smell while driving or parked. Evaporated coolant residue under hood. Gurgling sound on passenger side near heater core. Heat fluctuates between hot and cold. Puddles of coolant underneath the vehicle.1. Check Engine Light. A bad knock sensor can trigger your Trailblazer's check engine light. Any trouble codes from P0325 -P0334 are related to the knock sensor in one way or the other. The code you get will either be for an intermittent problem, high input, low input, or open circuit.My 2014 Chevy Cruze 1.4L had a chirping for months that became an overwhelming screeching noise. After $$$ hundreds of dollars and nearly a year later I was told it was the camshaft about to go. Found this video on YouTube couldn't believe it was this simple. 1 of the 4 spark plugs worked its way very loose and that was my only problem. Put in ...2 issues. 1st is the PCV system. PCV valve will fail regularly 1-3 years. This requires a new intake manifold and valve cover possible new hose and possible sensor replacement. Can cause stability ...Hooked up an OBDii reader and got the following fault codes: P11D7. P20E2. P20E4. P20EE. P2453. On the vehicle test results, it's indicating O2 Bank 1 Sensor 2 "Not OK". I'm not sure where to start. I've done research on these codes, and am getting so much information that I'm confused.Code Tech Notes. The P0327 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause engine performance problems. Replacing the knock sensor usually takes care of the problem. User Submitted Video.Singular sensor, on high pressure side generally next to condenser. It is not a switch and the next person who calls it that needs to be slapped. It is a pressure sensor and the compressor is 100% ECM controlled. There is no magical wire connecting it to the compressor. A hella surreal diesel Cruze. Chevy cruze knock sensor problems, In today's video we take a look at a 2014 Chevrolet Cruze with a 1.4l 4 cylinder turbo engine. The vehicle has a check engine light illuminated and has codes..., 2011 chevy cruze, 71,000 miles. codes reading P0011, P0014, P0016, P0324, P0325, P0326, car idles fine, but when - Cars & Trucks question ... Knock Sensor (KS) Module Performance. ... did you check your oil level the 4 cyl eco has known problem with oil consumption--- you went into limp mode /shut down mode low or no oil pressure will shut down ..., I already changed the knock sensor but it is still givingbme - Answered by a verified Chevy Mechanic. ... I own a chevy cruze. 2014. Knock sensor, techron in engine, ... I have 2013 Chevy cruse 1.4t .I have problem with p0324-00 and excesive engine noise ..., Apr 23, 2018 · Remove the plastic cover that says ECOTEC to expose the disc cover and coil pack. The disc cover is a round disc that is glued to the top of the cam cover....search around the site a bit for photos if needed. Notice the side of the cover has a tiny vacuum port to atmosphere. Start the engine. , Jun 13, 2566 BE ... A DIY auto mechanic describes must-have tips for replacing a crank position sensor on a 2014 Chevy Cruze LS with a 1.8L ECOTEC engine., 2017 Diesel SCR problems. I have a 2017 Cruze Diesel that I purchased new in sept, 2017 and have 20800 miles on it. The car has been back to the dealer 4 times with the same problem and in fact it is there right now and has been there since Dec 18, 2018. They replaced sensors #1 and #2 they ran it through several regents cycles and still no luck., 407 posts · Joined 2013. #1 · May 4, 2014. I need some help guys. I bought the relearn tool for the TPMS on mine, and the Wife's Cruze. I did the relearn in my car without any problems. I attempted the relearn to my Wife's Cruze, and when I got to the rear passenger side tire, and it would not relearn. After several attempts the system ..., Your2015 Chevrolet Cruze s transmission is one of the most important parts of your 2015 Chevrolet Cruze , and transmission problems with your 2015 Chevrolet Cruze can result in rendering your 2015 Chevrolet Cruze completely undrivable. The transmission in your 2015 Chevrolet Cruze is the part of the 2015 Chevrolet Cruze that directs the power from your engine to the driveshaft which in turn ..., WARNING!!! You must properly torque replacement knock sensors or you may experience a return code and sensor failure. Watch this supplemental video for addit..., Check out our Chevrolet Cruze overview to see the most problematic years, worst problems and most recently reported complaints with the Cruze. 2012 Chevrolet Cruze engine problems with 387 ..., Sensor temperature intake air chevy location diagram silverado 2007 problems iat engine p0113 code checkManifold intake air sensor runner bank circuit control carparts stuck p2006 closed car code range temperature performance combustion does work 2013 chevy cruze iat sensor locationIntake manifold temperature sensor for 2011-2014 chevrolet ..., Cruze. 62,000 miles. A D V E R T I S E M E N T S. The contact owns a 2017 Chevrolet Cruze. The contact stated that while driving approximately 40-45 MPH, the check engine warning light illuminated ..., Sensor performance, High v, and low v. New here and need some help getting my sister in laws car straightened out. I just replaced the engine for tossing a valve head and its not running well at all. When I pull dtc's I get knock sensor codes ( 0324, 0328 and 0327), #1 misfire (0301) and generator L-terminal circuit (0621)., Anonymous, ON (2013 Chevrolet Cruze LT 1.4-L 4 Cyl turbo) Overheating. "Coolant Water outlet is made of plastic and broke and caused coolant to leak and it leaked everywhere. Plastic traveled and ..., Symptoms Of A Bad Knock Sensor. The most common symptom of a bad knock sensor is a check engine light on your dashboard. It can also result in a knocking or detonating engine in the worst case, but most often you will notice signs like loss of engine power and high fuel consumption. Below we have a more detailed list of the signs of a bad or ..., Blasirl said: TL;DR. 1st - Low oil pressure lite lit. 2nd - Checked and oil level is fine. 3rd - Changed oil and filter, properly installed cap. 4th - noticed chain noise. 5th - replaced timing chain and guides. 6th - replaced valve lifters. 7th - …, 2 Engine Clicking And Tapping Noises problem of the 2012 Chevrolet Cruze. Failure Date: 11/05/2019. Engine has loud injector and purge valves both producing a clicking noise. The noise can clearly be heard from inside/outside car with hood closed. This issue is triggering a knock sensor code., The P0325 Chevy Cruze is a common issue that can be caused by several factors. These include a faulty knock sensor, wiring issues, and (rarely) an Engine Control Unit issue. Knowing the potential causes can help you diagnose and fix the issue., My knock sensor on my Cruze keeps giving me code PO325. Ive had the wiring redone, sensor replaced twice, new gaskets, lifters and timing chain guide that are normally the culprit of this issue are torqued to spec. It's got a new valve cover & gasket, PCV, purge Solenoid, the injectors all work, sparkplugs are fine, and there's no knock at all!, 28,751 miles. 2017 Chevrolet Cruze with 28,751 miles is continually losing all gauge functions, air conditioning, radio, turn signals and emergency flashers are affected. Problem originally ..., The most common symptoms of a faulty knock sensor are engine noises, flashing dashboard or “Check engine” lights and diminished fuel economy. These symptoms are most common when th..., Jun 22, 2019 · Doesn't necessarily mean the sensor is bad, it may also just be doing it's job. Potential causes for this code to set are: Defective knock sensor/s Internal engine malfunction Ignition misfire/s Contaminated or substandard fuel Defective knock sensor control wiring and/or connectors Bad PCM or a PCM programing error , sciphi. 5048 posts · Joined 2011. #3 · Nov 23, 2012. Can't say I've noticed this. I do get a bad stumble when letting out the clutch right when the idle RPM's drop from 1500 to 1000 after a cold start. That's more me than the car, though. 2012 Chevrolet Cruze Eco. 2009 Honda Fit Sport., I'm seeking help because I cannot figure out the issue with the knock sensor-related CEL that keeps popping up on my dashboard. I've recently reached the …, Oct 1, 2019 · P0324 is only set even if only one cylinder is knocking, but has to occur for at least 10 seconds to set that only code. Too many people take these codes literally, and the sensor takes the blame for this when it is only doing its job. O2 sensors take the blame for just about anything. , The knock sensor is mounted to the rear of the cylinder block (i.e, the side of the block nearest the firewall) toward the crankshaft pulley. The car must lifted somewhat and safety stands must be placed. Please be aware that hydraulic jacks have rubber seals that can fail at any time with no warning. Consequently, safety stands must be used., 1 post · Joined 2021. #1 · Apr 11, 2021. Hello, my wife and I own a chevy cruze 2019 1.4L T, with 37k miles. The CEL turned on and after a visit to the autozone the code led us to …, If you are saying it is a Knock Sensor code, it is telling you the knock sensor is not sending information to the ecm. Real diagnosis is required. Rob . Save Share. ... CruzeTalk.com forum, news, discussions and the best community for owners to discuss all things related to the Chevy Cruze. Show Less . Full Forum Listing. Explore Our Forums., Hi New member never posted before so hopefully this is the right location. Car: 2012 Chevy Cruze 1.4L Background: Was changing out the knock sensor (Check engine light on, scanned and got knock sensor code, just decided to replace sensor never checked power in circuit or anything) and as a self certified home mechanic of course I messed something up., DIYer Steve Hoefer has been hard at work making every 6 year old's dream come true: A device that unlocks your door whenever someone seeking entrance taps out the secret knock. DIY..., Test the circuit first before you automatically replace the sensor. Also, some of these Cruze engines are known for loose timing chain guides that rattle and give a false P0325. Test the wires. Then replace the sesnor. If the code comes back, check for a loose timing chain guide. See this post on Chevrolet P0325 issues., 1. Check Engine Light. Just because you have a check engine light for your knock sensor doesn’t mean that there’s anything wrong with the sensor, but there could be! Another possibility is that …, To diagnose a bad knock sensor in a 350 TBI engine, use an OBD-II scanner, perform a visual inspection, or use a multimeter to test the sensor’s electrical continuity. Use an OBD-II scanner. An OBD-II …