Vacuum leak chevy cruze
This video will help you diagnose and resolve PCV related issues on the 1.4L Turbo engine (engine codes LUJ/LUV/A14NET) found in the 2011-2016 Limited Cruze,...
2. The little cap hole is still producing vacuum...should I replace the engine valve cover or drive the car and wait for performance issues/codes to pop back up? I cleared the previous codes. 3. Bonus question...when I had the hoses off, I checked the valve at the turbo end.#1 · Oct 20, 2020 (Edited) Hello all, I've been trying to hunt down a vacuum/boost leak for a couple months now. There is no SES light. Fuel trims are positive 10-15% at idle and Iight load and negative 10-15% under boost. Hesitation between 2000 - 3000 RPM. I have smoke tested almost everything I can think of for EXTERNAL leaks.An intake leak is often the cause of P0507. There could be several reasons behind the P0507 code being triggered in your Chevy Cruze. Understanding these causes can help you identify and fix the problem. Here are some common causes:You'll feel a vacuum from the system sucking at your fingertip and notice a momentary idle speed drop of about 40 to 80 RPMs. Method 2. Another way to test for vacuum is to pinch or block the vacuum hose connected to the PCV valve. Idle speed will drop between 40 to 80 RPMs and then rise back to normal.Already replaced actutor seals, and camshaft actuators. Still leaks alot of oil cant pin point from where but only left side of engine. Did you put a dab of silicone on the parting line where the front cover meets the head, iv'e seen them leak there after the cover is changed. Chevy cruze had engine light on and rough idle.OBD II Codes Related to P1101 on Chevy Cruze. There is one trouble code related to the P1101 code: P0171. Resolving the P1101 may lead to this code being cleared as well. ... Vacuum leak: A leaky intake seal is another possible cause for the P1101 trouble code. Your local mechanic can ascertain this by conducting a smoke test. This will allow him or …In your case, the P0420 code stands for “Catalyst System Efficiency Below Threshold (Bank 1).”. When you receive aP0420 code it means your catalytic converter is not operating at maximum efficiency. Usually this means your catalytic converter needs to be replaced or there is a problem with your O2 (oxygen) sensors.
The P2096 sets because there’s too much air in the system. This problem can be caused by numerous issues, including the following possibilities. Low fuel pressure caused by a dirty filter, bad regulator, clogged injectors or damaged fuel pump. Bad spark plugs. Vacuum leak.2011+ Opel/Vauxhall Zafira Tourer. SCROLL DOWN TO THE BOTTOM OF THIS POST FOR INSTALLATION INSTRUCTIONS. The 1.4L Turbo engine (LUJ/LUV) in the Chevy Cruze/Sonic/Trax and Buick Encore has a check valve in the intake manifold that has a 100% failure rate. Out of warranty, it can cost as much as $350 to replace.Subject: Possible Oil Consumption and/or Leaks Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick Encore 2013 2019 1.4L (LUJ, LUV) Chevrolet Cruze 2011 2016 Sonic 2012 2019 Trax 2013 2019 Involved Region or Country North America, Israel Condition Some customers may comment on one or more of the following conditions ...Diagnosing a Vacuum Leak in Chevy Cruze (2012) The first step to diagnosing a vacuum leak is to examine the intake manifold gasket. This should be done by removing the intake manifold cover and inspecting it for cracks or other signs of damage. The next step is to check all of the vacuum lines and hoses for any signs of wear or tears.Sep 16, 2022 · An intake hose that is leaking will cause the engine to run lean and trigger the P1101 trouble code. To check for a leaky intake hose, you will need a pressure tester. Connect the pressure tester to the intake manifold and turn on the engine. If the pressure drops, it means that there is a leak in the intake hose. You can also hear about the 2012 Chevy Cruze P0171 or the 2011 Chevy Cruze P0171. This one is also related to the vacuum leak issue. Faulty Electrical Components. A 2012 Chevy Cruze rough idle may be brought on by an issue or failure with the ignition system or different electronic parts. If so, increasing RPMs will typically make the issue worse.0:00 / 5:29 Intro WHAT IS VACUUM LEAK DEMONSTRATED ON CHEVROLET CRUZE CHEVY SONIC Electrical Car Repair LIVE 221K subscribers Subscribe 23K views 3 years ago WHAT IS VACUUM LEAK DEMONSTRATED ON...
If you changed the valve cover because there was a failure point in the PVC system, you SHOULD also inspect the check valve in the intake manifold (100% fail rate) and the corrugated tube going from the intake manifold to the turbo (cokes up over time, especially more when the PVC fails).VACUUM LEAK FIX In this video we will show you how to remove or replace the pcv hose on Chevrolet Cruze also known as Holden Cruze and Daewoo Lacetti. …87 posts · Joined 2016. #1 · Jun 14, 2017. Came across a boost leak after I pressurized the system with ~15 PSI. The leak is coming from the intercooler inlet pipe/hose, Where the plastic elbow clips onto the intercooler itself. There is a orange seal in there that I suspect may have worn down since this part can rotate on the intercooler.It’s possible there’s a leak somewhere, but I don’t think so – or if there is, it’s a small leak. You’re seeing a turbo pressure ratio of about 2.4 (220kPa pressure / 90 BARO = 2.444 pressure ratio), which is a little on the low side for the stock turbo (they usually make closer to max of 2.5 or 2.6 but I’ve seen a few that are in this range).
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How much does a Vacuum Pump Repair cost? On average, the cost for a Chevrolet Cruze Vacuum Pump Repair is $194 with $99 for parts and $95 for labor. Prices may vary depending on your location.Here is my other rookie mistake, I started vehicle 20 mins after and checked for leaks. Saw no leaks, check engine light remained. Ran for 5 mins and turned off. 2 hours later I drove it for 3 miles and smelled oil burning and parked and saw a sizable amount of oil coming from under the top cover.vid2 2014 chevy cruze 1.4 liter engine vacume leak and high pitched squeal and the fixWe demonstrated what is a vacuum leak and how to fix vacuum leak on Chevrolet Cruze but it may be helpful on the following models since they are build by …Oct 29, 2019 · 0:00 / 5:29 Intro WHAT IS VACUUM LEAK DEMONSTRATED ON CHEVROLET CRUZE CHEVY SONIC Electrical Car Repair LIVE 221K subscribers Subscribe 23K views 3 years ago WHAT IS VACUUM LEAK DEMONSTRATED ON... Oct 20, 2020 · He says there is a discrepancy between the MAF data and the modeled speed density data that is directly proportional to my positive/negative fuel trims. He said that this indicates a vacuum leak that becomes a boost leak under boost. This leak is what I'm trying to find. Fully Built 1.4L (LUJ) w/ Garrett G25-550.
Oct 29, 2019 · 0:00 / 5:29 Intro WHAT IS VACUUM LEAK DEMONSTRATED ON CHEVROLET CRUZE CHEVY SONIC Electrical Car Repair LIVE 221K subscribers Subscribe 23K views 3 years ago WHAT IS VACUUM LEAK DEMONSTRATED ON... Vacuum leak most likely at the front crankshaft seal • With the engine running, remove the oil dip stick. If the noise stops, it was due to a vacuum leak most likely at the front crankshaft seal. Replace the seal and retest. For this fault, a customer may also comment that they hear the noise for up to 10 seconds after the engine is shut off.The contact owns a 2011 Chevrolet Cruze. The contact stated that the brakes failed intermittently and a leak was noticed underneath the vehicle. The vehicle was repaired according to NHTSA campaign number: 13v360000 (service brakes, hydraulic). The dealer replaced the vacuum leak, cam shaft cover, and valve cover, but the failure recurred.Jan 2, 2018 · PCV valve vacuum leak. I have a 2012 chevy cruze with 100,000 miles. I have multiple engine codes thrown at me and I took it to a mechanic and he replaced my mass air flow sensor. after that I was on here reading the threads and I came to the conclusion that my pcv valve have a vacuum leak in my valve cover, therefore I replaced my valve cover ... FIFTEENcruzeTech. 1 post · Joined 2020. #9 · Dec 27, 2020. So just replaced the Valve Cover on a 15 Cruze 1.4 The new valve cover has no oil cap or “filler neck” so make sure you save your old parts. There are 3 total parts: the filler neck, it’s hold down that uses two tabs, and the oil cap itself.Oct 29, 2019 · 0:00 / 5:29 Intro WHAT IS VACUUM LEAK DEMONSTRATED ON CHEVROLET CRUZE CHEVY SONIC Electrical Car Repair LIVE 221K subscribers Subscribe 23K views 3 years ago WHAT IS VACUUM LEAK DEMONSTRATED ON... Subject: Front or Rear Crankshaft Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated - DTC P1101 Set This bulletin replaces PIP5417C. Please discard PIP5417C. Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick Encore 2016 2019 1.4L (RPO LE2) Chevrolet Cruze 2016 2019 1.4L (RPO LE2) Equinox 2018 2020 1.5L (RPO LYX ...There could be a vacuum leak downstream of the MAF sensor Possible cracked vacuum or PCV line/connection Faulty or stuck open PCV valve Failed or faulty …
If you changed the valve cover because there was a failure point in the PVC system, you SHOULD also inspect the check valve in the intake manifold (100% fail rate) and the corrugated tube going from the intake manifold to the turbo (cokes up over time, especially more when the PVC fails).
For a 2014 Chevrolet Cruze 1.4l Turbo. Recently we took it to a shop for the code P2261, turbocharger bypass valve. The shop said that they compressed air into the air intake and it would not hold. So, they said the turbo would not kick in if the intake isn’t building pressure. Smoke test through the intake assembly: smoke only came out of ...Chevrolet Cruze Problems. Find the most common driver-reported problems that are to blame when a Chevrolet Cruze is leaking oil . See More Problems. Oil leak from oil level sensor seal. Oil can leak from the oil level sensor seal at the top of the upper oil pan.... 2 Model Years Affected. Average Mileage: 103,000. 4 people reported this problem.The contact owns a 2011 Chevrolet Cruze. The contact stated that the brakes failed intermittently and a leak was noticed underneath the vehicle. The vehicle was repaired according to NHTSA campaign number: 13v360000 (service brakes, hydraulic). The dealer replaced the vacuum leak, cam shaft cover, and valve cover, but the failure recurred.GM labor guide pays 1.1 hours to remove and replace an intake manifold. 2012 eco 55K and it failed. Replaced under power train warranty. Took the dealer 2 hours to do it. I saw a bill for $800 if it is not under warranty. This is an older thread, you may not receive a response, and could be reviving an old thread.Already replaced actutor seals, and camshaft actuators. Still leaks alot of oil cant pin point from where but only left side of engine. Did you put a dab of silicone on the parting line where the front cover meets the head, iv'e seen them leak there after the cover is changed. Chevy cruze had engine light on and rough idle.In your case, the P0420 code stands for “Catalyst System Efficiency Below Threshold (Bank 1).”. When you receive aP0420 code it means your catalytic converter is not operating at maximum efficiency. Usually this means your catalytic converter needs to be replaced or there is a problem with your O2 (oxygen) sensors.P0299 Chevrolet Cruze JA: Im sorry to hear that youre experiencing an issue with your Chevrolet Cruze, but our Chevy Mechanic will be able to help you with the P0299 code. ... Is there any way I can diagnose the bypass valve via vacuum, smoke, or leak testing? I hit 13 psi WOT but when I let off the gas at 5000 rpm the code gets thrown. I …
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What is a Vacuum Leak? Causes of Vacuum Leaks in Chevy Cruze; Symptoms of Vacuum Leaks in Chevy Cruze. Reduced Fuel Efficiency; Rough Idling; Stalling; Check …Mar 27, 2013 · Rather than hog someone else thread.......Started 2 days ago. Rough idle, CEL on, traction control lights on and off, and I noticed the voltage moving around (probably the rough idle). Had 9 trouble codes in it. Then it started smoking. Could see oil above the turbo too. Massive amount of... 27. 11. 2018. ... This video will show you very common pcv vacuum leak on a 08-16 chevy Cruze 1.4L. Replacement of valve cover step by step.Here is my other rookie mistake, I started vehicle 20 mins after and checked for leaks. Saw no leaks, check engine light remained. Ran for 5 mins and turned off. 2 hours later I drove it for 3 miles and smelled oil burning and parked and saw a sizable amount of oil coming from under the top cover.Oct 7, 2022 · Remove the hose and lube it with a little new engine oil. After sliding it on all the way, move the clamp back up. If it is still fighting you, use some heat on the hose. Another Cruze said: Replace the entire valve cover. IMHO every 1st gen 1.4L needs the valve cover replaced at some point. Gary. Gold Certified GM Technician. Vocational, Technical or Tra... 3,338 satisfied customers. Crankcase pressure...2014 Chevy Cruze 1.4 lt Turbo. replaced. Crankcase pressure...2014 Chevy Cruze 1.4 lt Turbo. replaced valve cover, PVC tube, both solenoid valves (Wastegate and intake manifold) and … read more.2012 Chevy Cruze 1.8L I’m tired of googling so thought I would ask here. Cruze has been leaking oil and I have been having the hardest time finding it. Also having random misfires as well the vacuum regulator diaphragm is sucking in air. Had the codes read at auto zone and the guy came out and took a look at my engine while running.The P2096 sets because there’s too much air in the system. This problem can be caused by numerous issues, including the following possibilities. Low fuel pressure caused by a dirty filter, bad regulator, clogged injectors or damaged fuel pump. Bad spark plugs. Vacuum leak.Vacuum leak symptoms. Symptoms of a vacuum leak include the Check Engine light, rough idle, stalling and a hissing sound coming from the engine bay. The engine may run well at higher RPMs, but surges, runs rough and struggles to maintain stable RPMs at idle. Often, the engine stalls when stopping.Sep 18, 2019 · My Daughter’s 2014 Chevy Cruze LS has a CEL with code P0171. It idles rough and the performance is subpar. I heard what sounds like a vacuum leak. I found a YouTube video that shows how to check the purge control valve as they are known to stay in the open position. I removed the power connector and the hose with the red resting clip. ….
Here is my other rookie mistake, I started vehicle 20 mins after and checked for leaks. Saw no leaks, check engine light remained. Ran for 5 mins and turned off. 2 hours later I drove it for 3 miles and smelled oil burning and parked and saw a sizable amount of oil coming from under the top cover.My car was throwing P0299 underboost code and was able to only produce 3-5 turbo PSI. I've looked into this and tried the following: - Disconnecting the turbo solenoid <> wastegate actuator vacuum hose = this would cause the car to boost up to 10-12 PSI until throwing a P0234 code (overboost)It's a hot material vs cold material thing. As you probably know, most materials expand when they warm and contract when they cool. This can cause small leaks as most materials expand and contract at different rates. Fully Built 1.4L (LUJ) w/ Garrett G25-550.While the code is generic, it’s most often found with Chevy, Jeep, Honda, Mazda, Hyundai, Audi, Nissan and VW vehicles. ... Yes, a vacuum leak can allow air into the engine in excess, which would create an erratic idle and set the P0507 code. Because the air-fuel mixture is monitored in the combustion chamber, any excessive leak of air is ...Jan 20, 2022 · 2012 1.4t vacuum leak. A common place for a vacuum leak on the cruze is that PCV on the valve cover. However that’s not where mine is coming from. After putting the old girl back together, I started her up and she was idling real low and rough. There is a whistle coming from the backside of the engine on the passenger side. Signs of a Coolant Leak. The check engine light illuminates. P0597 through P0599 are codes for a coolant leak. A sweet smell coming from the car. A low coolant reservoir tank. Puddles on the ground under the car. Intermittent heat. Although the blower fan might operate fine, the physical temperature becomes cooler. A loud gurgling sound.4 CYL. 2WD. AUTOMATIC. 113,000 MILES. Due to idle surging and rough idle I replaced the PCV/valve cover. I also replaced the plugs and coil since I was already there. This caused a new vacuum leak at the front crankcase seal. I tested this by removing the oil dip stick and the whistle stopped and could hear a surge of air through dip stick hole. Dec 30, 2021 · JLL · #31 · Jan 27, 2022. Engine vacuum is created on the intake stroke. If the engine is indeed not creating enough vacuum and there indeed no leak, in my mind it could be 4 things: 1. Moderately worn piston rings allowing vacuum to escape into the crankcase on the intake stroke. 2. Worn exhaust valves or seat allowing vacuum to escape into ... 4. 12. 2019. ... McTag's daily driver wound up down with breathing trouble. Here's how he fixed the 1.4L Turbo's PCV woes in his Chevy Cruze ... vacuum fitting to ... Vacuum leak chevy cruze, 1.) Sooo, 25k miles or so into owning the car I started having 'bucking' issues, where it feels like the boost would bounce around and not provide consistent boost. CT search suggested checking the little check valve on the valve cover. Sure enough, plug the hole, car goes crazy., In fact, what a vacuum leak refers to is the system that exists between the engine and the mass airflow sensor that controls the flow of air through your engine. Depending on where the leak is in your vacuum system the repair cost can range from as low as about $150 to as much as $1,000., Subject: MIL Illuminated, DTC P0442 Set - EVAP System Small Leak Canister Vent Solenoid (CVS) Valve Not Sealing Under Vacuum Models: 2012-2013 Buick LaCrosse, Regal, Verano 2013 Cadillac ATS 2011-2013 Chevrolet Cruze 2012-2013 Chevrolet Orlando 2013 Chevrolet Malibu Condition/Concern Some customers may comment on …, Here are the most common problems that would cause a Chevy Cruze to idle rough. Where to Start if There’s No Code. If there’s no trouble code, it can be difficult to determine why your Cruze is running rough. Check for vacuum leaks. Verify that the throttle body and MAF are clean. Inspect the spark plugs. Test the fuel pressure. Test the ..., Here are the most common causes of P0171 + P0174. Vacuum leaks (particularly at the intake manifold) and the MAF sensor are the most common culprits. Vacuum Leaks. With most vehicles, the most common cause for the P0174 or P0171 code to show is a vacuum leak. Take a look around and see if you can find the vacuum leak., Infamous pcv check valve failure. After doing some research, I have found that there is one aftermarket option being marketed by Dorman part number 615-380. This intake manifold is sold without the fuel rail, injectors, and throttle body but also comes at half the cost at $165 via ebay. But they appear to be scarce., In your case, the P0420 code stands for “Catalyst System Efficiency Below Threshold (Bank 1).”. When you receive aP0420 code it means your catalytic converter is not operating at maximum efficiency. Usually this means your catalytic converter needs to be replaced or there is a problem with your O2 (oxygen) sensors., VACUUM LEAK FIX In this video we will show you how to remove or replace the pcv hose on Chevrolet Cruze also known as Holden Cruze and Daewoo Lacetti. This video should cover Chevrolet..., To diagnose the seal, remove the oil dipstick with the engine running. If the noise stops, this indicates a vacuum leak at the front crankshaft seal. Replace the seal and retest. A customer may also comment that he hears the noise for up to 10 seconds after the engine is shut off. This is due to the vacuum in the engine crankcase equalizing ... , Car is a 2012 cruze 1.4 rs. I'm getting 108" of water (vacuum) at the dipstick at idle, causing a chirping sound at the crank seal. I replaced the valve cover with what was suppose to be oem but based on some dissimilarities, I think it's an aftermarket. I don't appear to have any external vacuum leaks and the car runs normal except the ..., Subject: Cruze Clean Turbo Diesel Engine Vacuum Pump System Vacuum Leaks— DTC P003A, P24A5, P2598 and/or P2599 Set Models: 2014 Chevrolet Cruze Equipped with Cruze Clean Turbo Diesel Engine 2.0L, CRI, L4, DOHC, VGT— RPO LUZ Condition/Concern Some Customers may comment that the malfunction indicator lamp (MIL) is illuminated., 108 posts · Joined 2013. #15 · Jul 20, 2014. Quickest way I know of to find a vacuum leak is to take a length of tubing (washer fluid tubing, fish tank air pump tubing), …, You can also hear about the 2012 Chevy Cruze P0171 or the 2011 Chevy Cruze P0171. This one is also related to the vacuum leak issue. Faulty Electrical Components. A 2012 Chevy Cruze rough idle may be brought on by an issue or failure with the ignition system or different electronic parts. If so, increasing RPMs will typically make the issue worse., Sep 17, 2020 · 1 - 3 of 3 Posts. Car info? Year, model, submodel, transmission. That's the secondary air injection pipe. Pump output, as opposed to fresh air input. This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread. Write your reply... I work at a parts store, and I need the ... , 2011+ Opel/Vauxhall Zafira Tourer. SCROLL DOWN TO THE BOTTOM OF THIS POST FOR INSTALLATION INSTRUCTIONS. The 1.4L Turbo engine (LUJ/LUV) in the Chevy Cruze/Sonic/Trax and Buick Encore has a check valve in the intake manifold that has a 100% failure rate. Out of warranty, it can cost as much as $350 to replace., Often the code P0101 is caused by a vacuum leaks. A vacuum leak allows "unmetered air" to enter the engine by-passing the airflow sensor. ... Chevrolet Cruze MAF sensor. The PCM checks the rationality of the MAF sensor signal by comparing it to the signals from the intake air temperature sensor (IAT), manifold absolute pressure sensor …, In need of advice on a 2015 Chevy Cruze LT intake manifold PCV hose vacuum leak issue. I have a 2015 Chevy Cruze that had to have the intake manifold and valve cover replaced due to the common PCV system issue and a P0171 code. I opted to replace them using Dorman parts, since they were in stock and I needed to fix the issue quick, and tend to ..., Subject: MIL Illuminated, DTC P0442 Set - EVAP System Small Leak Canister Vent Solenoid (CVS) Valve Not Sealing Under Vacuum Models: 2012-2013 Buick LaCrosse, Regal, Verano 2013 Cadillac ATS 2011-2013 Chevrolet Cruze 2012-2013 Chevrolet Orlando 2013 Chevrolet Malibu Condition/Concern Some customers may comment on …, Subject: Possible Oil Consumption and/or Leaks Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick Encore 2013 2019 1.4L (LUJ, LUV) Chevrolet Cruze 2011 2016 Sonic 2012 2019 Trax 2013 2019 Involved Region or Country North America, Israel Condition Some customers may comment on one or more of the following conditions ... , vid1 2014 chevy cruze 1.4 liter engine vacume leak and high pitched squeal and the fix, 1.4L. 4 CYL. 2WD. AUTOMATIC. 113,000 MILES. Due to idle surging and rough idle I replaced the PCV/valve cover. I also replaced the plugs and coil since I was already there. This caused a new vacuum leak at the front crankcase seal. I tested this by removing the oil dip stick and the whistle stopped and could hear a surge of air through dip ..., The P2096 sets because there’s too much air in the system. This problem can be caused by numerous issues, including the following possibilities. Low fuel pressure caused by a dirty filter, bad regulator, clogged injectors or damaged fuel pump. Bad spark plugs. Vacuum leak., The P1101 Chevy Cruze code is stored when the PCM detects a problem with the Intake Air Flow System’s performance. The problem is registered if the Intake Air Flow System’s performance is lower or greater than the one set by the manufacturer. When you see this code, the issue lies within the realm of the Intake Air Flow System., Dec 9, 2019 · Leaking Intake – If the intake seal on the Chevy Cruze has been damaged, there’ll be a vacuum leak. A vacuum leak means that air will be getting in to the intake not through the throttle. This is going to dramatically alter the reading at the mass airflow sensor gets and will trigger P1101. , Dec 26, 2022 · P0171 Chevy Cruze, Causes #2: Leaky Vacuum. A minor crack in the intake manifold is frequently referred to as a vacuum leak. This overwhelms all essential sensors and draws air into the engine. Too much air will be present in the cylinder because more air is drawn into the combustion chamber without the car ECU being informed in advance. , 108 posts · Joined 2013. #15 · Jul 20, 2014. Quickest way I know of to find a vacuum leak is to take a length of tubing (washer fluid tubing, fish tank air pump tubing), …, This kit can be used with an air compressor to test for vacuum leaks, boost leaks, and external coolant leaks on the 1.4L Turbo LUV, LUJ, and A14NET engines. This kit applies to the following vehicles with the 1.4L Turbo: 2011-2016 Limited 1.4L Cruze 2011-2018 Chevy Sonic/Aveo 2015+ Chevy Trax 2015+ Buick Encore 2011+ Opel/Vauxhall Corsa (Turbo ..., Nov 27, 2018 · This video will show you very common pcv vacuum leak on a 08-16 chevy Cruze 1.4L. Replacement of valve cover step by step. DTC P0171 GM Part number 25198877... , This video will help you diagnose and resolve PCV related issues on the 1.4L Turbo engine (engine codes LUJ/LUV/A14NET) found in the 2011-2016 Limited Cruze,..., Sep 18, 2019 · My Daughter’s 2014 Chevy Cruze LS has a CEL with code P0171. It idles rough and the performance is subpar. I heard what sounds like a vacuum leak. I found a YouTube video that shows how to check the purge control valve as they are known to stay in the open position. I removed the power connector and the hose with the red resting clip. , The most common reasons a Chevrolet Cruze has a vacuum leak are leaking vacuum hoses, leaking gaskets and seals, or bad actuators and valves. 0 % 40 % of the time it's the Vacuum Hoses 0 % 30 % of the time it's the Leaking Gaskets and Seals 0 % 20 % of the time it's the Bad Actuators and Valves 0 % 10 % of the time it's Something else, 4 CYL. 2WD. AUTOMATIC. 113,000 MILES. Due to idle surging and rough idle I replaced the PCV/valve cover. I also replaced the plugs and coil since I was already there. This caused a new vacuum leak at the front crankcase seal. I tested this by removing the oil dip stick and the whistle stopped and could hear a surge of air through dip stick hole., Chevy Cruze most common problems vacuum leak alvaro beltran 823 subscribers Subscribe 290 Share 50K views 3 years ago Valve cover Vacuum leak, …