2011 chevy hhr rough idle Bought a can of Jan 14, 2022 · The most common signs of bad ignition coils in Chevy HHR are engine hesitation when accelerating or loss of power, rough idle, misfires, excessive fuel consumption, check engine light illuminates, and sometimes hard starting. He walks through step by step how to figure out and fix what's causing your car Oct 29, 2019 · Chevy HHR Engine Rattle Common Causes Heat Shield Issues Rattling noise should sound like it’s coming from under the engine. Rough Idle When your Chevy HHR has bad fuel injectors, you may notice a rough idle. Find estimated repair costs and certified shops nearby. 2011 2. Is still running and drives does a have a rough idle 160000 miles cold ac 2006 Chevy HHR LT, Rough Idle and Stalling out at stops and turns Was driving the car a couple nights ago to get some Taco Bell. Get repair estimates and expert advice at RepairPal. Spark plugs replaced as well, gapped to . I’m thinking leaky injector that is dripping inside the cylinder. Fuel Fuel issues are one of the most common reasons that a vehicle would stall out, that includes your Chevy HHR. 2 engine swap interchangeable P0171- This one is a head scratcher 08 2. . You might also notice stuttering or hesitation while accelerating. I had a 2011 HHR with the 2. Recognizing the signs of a blown head gasket in your Chevy HHR is crucial for taking appropriate action. Dec 14, 2021 · Common symptoms of clogged fuel injectors in Chevy HHR are slow acceleration, rough idling, irregular engine performance, increased fuel consumption, engine hesitation and misfiring. LTFT and STFT pegged positive (38% Jul 17, 2019 · Symptoms of Bad Fuel Injectors 1. Just wanted some advice Persistent cylinder 1 misfires and rough idle in the 2009 HHR can stem from faulty ignition coils, clogged fuel injectors, or vacuum leaks. Discover the causes and solutions for rough idle and fuel in oil issues. Let’s look at the most common causes of rough idling or [Archive]Pics of LE8 short-block/head off? Is it sand-cast? 2010 HHR and rough idle Hhr need help idle jumping nd stalling P0016 P0068 need help diagnosing 2. IF YOU ENJOY MY CONTENT BUY M Feb 26, 2019 · My 2013 Silverado with the 5. 2L engine . That make sense??? I have a Chevy HHR 2009 and it's idling super rough. Jan 11, 2022 · The most common signs of bad spark plugs in Chevy HHR are poor acceleration or hesitation, rough idle, engine misfires, poor fuel economy, check engine light illuminates, engine knocking noise, and sometimes hard starting. 2l motor, which I was told is essentially the 2. Possible cylinder head or valve damage on the GM 2. We'll explore the symptoms and causes directly below. Prices may vary depending on your location. 2010 Malibu runs great except when it sits overnight. Any help would be greatly appreciated. Jan 14, 2025 · See common causes of rough idle in your Chevrolet HHR, including vacuum leaks and ignition coil failures. Misfire – If the air-fuel mixture has gotten too far from the 14. Common causes include faulty spark plugs, ignition coils, or fuel injectors. Within a few days, it was running rough and had no power. 1. 106k miles Auto trans So my wife's hhr had the entire exhaust replaced, from exhaust manifold to muffler tip. This occurs because the injectors are not providing a consistent flow of fuel, causing the engine to operate unevenly. The most common symptom of overheating is the temperature light coming on. Below you’ll find the symptoms, causes, and price of a Chevy HHR head gasket. 2 or 2. Codes P0011, P0013, and P0014 indicate camshaft position timing errors, often caused by faulty variable valve timing (VVT) solenoids or stretched timing chains. This one bolts on. In this article, we’ll look at some of the most common causes of a rough idle in the HHR and how to fix the problem. It needs them in the right quantities and intervals, or it won’t run right. When this happens, you’ll likely Mar 18, 2018 · Car starts, warms up, and as it warms up to operating temperature the idle begins to fluctuate and bounce back and forth between 800rpm & 200rpm, and eventually it stalls out. May 22, 2019 · If your Chevy HHR has blown a head gasket, you may find it running poorly or not at all. Aug 4, 2019 · I honestly don't know what's going on and it's getting slightly irritating now. 2L or 2. Not sure why, but it happened completely out of nowhere. Loose Heat Shield One common cause of engine rattling in your Chevy HHR is a loose heat shield. Clean the throttle body to remove carbon buildup, improving airflow. 0 reactions · 24 comments HT-23 starts for 5 minutes, dies, won't start for 10 minutes May 4, 2018 · The ambient temperature impacts how long of a delay there is as well as whether and how long it idles roughly (colder = more delayed, long rough idle; warm = shorter delay, no rough idle). Apr 23, 2024 · The idle air control valve (IAC valve) is an important component in the engine of a Chevy HHR. Common Causes of Idle Problems Faulty Idle Control Valve: The IAC valve controls the amount of air entering the engine during idle. My advice is if you replace one injector on this engine, do all four becuase they will all be bad eventually. When it occurs, the rough idle lasts for anywhere from 3-20 seconds (longer when colder) and then smooths out. Start by inspecting ignition coils and spark plugs for wear or damage. This Morning it took me 5 or so times to get it going and it idles rough and has a misfire for cylinder one. 4 echo tec. I unmounted and disconnected mine, cleaned it with throttle body cleaner, reconnected, and problem is Nov 8, 2012 · Question: Any of you with a 4cyl get a rough idle and almost stall if you repeatedly press the brake pedal???? I pumped the brakes and rough idle almost stall, clamped off the brake booster vacuum line and pumped the brakes - stable idle with no change. , we just spent well over $500 and we have gotten no where 09 Chevy HHR LT w/ 2. I am able to start the car just fine throughout the day and drive it for a while with intermittent stops at traffic lights and stop signs. With a fuel injector that is not properly atomizing fuel properly, your HHR is going to have a difficult time idling. 2011 Chevy HHR rough idle and slow speed noise with P0011 code sullyinCT10 18 subscribers Subscribed 2011 Chevrolet HHR Rough Running and Loud Noise Diagnosis HHR often faces camshaft timing issues and rough idling related to variable valve timing components. We would like to show you a description here but the site won’t allow us. This video shows you how to install new spark plugs on your 2006 Jan 4, 2019 · P0016 is know to occur in the Chevy HHR when the Crankshaft Position Sensor and the Camshaft Position Sensor are out of alignment by a certain number of degrees, or if there is a sensor issue. A typical heat shield. With the help of this tutorial you'll be able to find out if an engine compression problem is causing your vehicle to not start or if it's behind a misfire problem that's lighting up the check engine light. after allot of testing this is what I found out the issue was IF YOU HAVE ANY QUESTIONS JUST ASK! Feb 2, 2020 · Looking for any help on this issue. What Causes Rough Idle or Stalling in My Chevrolet? Most Chevy rough idle or stalling complaints trace to fuel delivery (clogged injectors, low pressure), ignition (worn plugs/coils), unmetered air (vacuum leaks, dirty throttle body/MAF), or sensor/ECM calibration. 040. There are no exhaust leaks - I checked by using positive pressure and soapy water and looking for bubbles. We’ve replaced MAP sensor, coolant temp sensor and thermostat, throttle body, accel pedal and sensor, coil and ICM, cleaned injectors, new air filter, oil If your spark plugs are failing, worn, or dirty, you may experience rough starts, rough idle, poor performance, or poor mileage. New 02 sensors, walker cat. If you notice your engine idling poorly or in a rough manner, it could be an indication that your Chevy HHR has a bad throttle body. Dirt, grime, or coking inside the housing can interrupt the air-fuel flow and disrupt proper engine Rough Idle No CHECK ENGINE LIGHT~~~~ EASY FIX, In this video i will show you how to repair your low idle problem quick and easy. Nov 15, 2019 · Chevy HHR Overheating Symptoms Here are the most common symptoms that your Chevy HHR is overheating. Lately the car has had a rough idle, it isn’t a constant rough idle though. If you’re experiencing any of these issues, it’s vital to schedule a vehicle inspection as soon as possible to identify and repair the problem, ensuring your vehicle runs efficiently and environmentally friendly. It’ll feel almost exactly the same as Car idle is rough Inspection Service How much does a Car idle is rough Inspection cost? On average, the cost for a Chevrolet HHR Car idle is rough Inspection is $95 with $0 for parts and $95 for labor. For most people, the first sign that anything is wrong is the check engine light. Mar 20, 2019 · P0505 is an OBDII code that deals with the idle air control system in the Chevy HHR. When your car starts to shake and shudder at a stoplight or maintains high RPM while stationary, it’s more than just an annoyance, it’s a warning sign. Mar 29, 2016 · I worry that it could be a sign of something bigger. All I remember is changing a sensor a year ago when it was having a similar behavior. A rough idle and stalling in a 2007 HHR can stem from a dirty throttle body or a malfunctioning idle air control (IAC) valve. When It sits overnight it then has a very rough start for a minute or so but then runs great. Apr 28, 2021 · Ecotec Carbon Build-up Symptoms Misfires Rough idle Stuttering/hesitation Power loss As carbon build-up on the 2. Driving while overheating can Feb 3, 2011 · Problems/Service/Repairs - If you have a problem with your HHR, want a tip on repairing or performing a particular service to you HHR here is the place to post! A 2006 Chevrolet HHR is experiencing hard starting, increased fuel consumption, reduced engine power, rough idling, and occasional stalling. 4? how can ya tell? Flex Fuel Engine problems 2. 39,000 miles. help. 4L engine. 7y · Public I have a 2011 Chevy HHR, when I go start it I have to pump the gas or it stalls out right away. After reading dozens of forums with multiple ideas I went with the cheapest/easiest first. I have a 2011 HHR; I have 3 codes coming up - P0016 P0014 & P0366. Took the clamp off the line and pumped the brakes - rough idle, almost stall. Check engine light and trouble code P0300 misfire. After I came back to the car to go back to campus, I started to get some weird idle issues and the car was having trouble shifting. Mileage- may or may not suffer depending on how much the air-fuel mixture has changed. If it's faulty, blocked, or sticking, it can cause idle issues. 2 ecotech Obd2 will not read any codes P0016 New Cat Converter Cranks No Start No cold idle 2. Jun 21, 2015 · Learn how to do a GM throttle body relearn to establish a new baseline idle after replacing or disconnecting the throttle body. It's a generic code, which means that it has the same meaning for the HHR as it would any other vehicle (HHR or not). By the end of the day, the car has a rather rough idle when I am at those traffic Rough Idle, Code P0301, Traction Control Light, Hard After Switching Back And Forth On The Spark Plug, Ignition Coil, To Try To Find Issues With The Engine Misfire I Did A Compression Test. These symptoms suggest possible issues with the fuel system, such as defective or dirty injection nozzles. For the past two years since December 2017, my car likes to buck like it wants to take off by itself when sitting at a light and idling. The plugs may not be burning the fuel quite as effectively as when they were new, which can decrease your car’s gas mileage. I unmounted and disconnected mine, cleaned it with throttle body cleaner, reconnected, and problem is If your car is acting up like this, chances are it's the throttle body giving you a hard time. 3k views asked Feb 12, 2018 by jeff doering when idling it is rough when in neutral not rough Vehicle: 2011 Chevrolet hhr base model p0010-p0011-rough idle In this Video Josh explains the 4 most common causes for rough idling as well as a few other less common culprits. Codes P0172 (rich condition) and P0300 (random misfires) often stem from faulty MAF or MAP sensors, vacuum leaks, or fuel system issues. Aug 30, 2019 · If you own a Chevy HHR and it’s idling rough, you may be feeling frustrated. The most common cause of a rough idle is misfiring. After cleaning the throttle body, the 2006 Chevy HHR may have a high idle due to the throttle position sensor (TPS) needing recalibration. Nov 11, 2019 · Stalling can just as easily indicate bad plugs. 2 throttle body Nov 3, 2023 · I drive a 2011 HHR with 165k miles on it. 4L valves, it restricts airflow into the engine. 2006 Chevy HHR High Idle After Throttle Body Cleaning: Relearn Guide HHR often faces high idle and rough idling after throttle body cleaning or replacement. 2011 Chevy HHR Misfire 07 Chevy HHR 2. 2. May 14, 2025 · Explore common Chevy HHR engine problems, their symptoms, causes, and potential consequences for owners and buyers. Idle Feb 12, 2018 · 0 3. If this light does come on, make sure that you get off the road quickly and safely. Jul 20, 2020 · Learn how to troubleshoot a P0172 trouble code in GM vehicles. 4 just a bit smaller. The list of things I have done to try and fix this problem is: Replace MAF Sep 10, 2019 · Chevy HHR Stalling Problem Causes Here are some of the issues that cause the HHR to stall out. Fine while driving around as long as revs kept above 1000rpm. Is it also possible it might just need a tune up? Jun 14, 2019 · On this 06 Chevy HHR had the code P0016 . 4 LS Just put in a new fuel pump and camshaft sensor… still will start rough, then once out of park it acts fine but stalls ( like a slow suffocation with rough idle and stuttering and no or minimal acceleration can happen when it starts to stall) with a weird noise . 4 banger. Feb 26, 2019 · In this tutorial, I'm going to show you how to test the engine compression on the 2. Over time, as your vehicle ages and accumulates mileage, the heat shield can become loose. It helps regulate the engine’s idle speed by controlling the amount of air that enters the engine. You may notice the RPM fluctuating on the tachometer when your cartortruck is not in gear. P0016 refers to which camshaft position sensor is out of time HONDA PILOT STUMBLING IDLE RANDOM MISFIRE DIAGNOSIS & FIX Chevy HHR ecotec runs rough, misfire, check engine light on, P0300, head gasket? (Operation Zombie) 2011 Chevy HHR Rough Idle with P0172 and P0300 Codes HHR often faces rough idling and multiple misfire codes after air intake or sensor changes. P0505: Idle Air Control System: Malfunction When P0505 is triggered, it is typically caused Jul 22, 2018 · HHR P0171 Code Symptoms There aren’t usually any drivability issues associated with P0171. Apr 6, 2025 · A misfiring cylinder in your Chevy HHR can lead to rough idling and poor acceleration. Jan 14, 2025 · Explore common causes of rough idle in your 2011 Chevrolet HHR, like vacuum leaks and spark plug issues. It started surging like this and I thought it would go away or I needed to change the air cleaner. Gauge/Temp Light Your HHR will be equipped with a temperature warning light and/or a temperature gauge. These symptoms can indicate a variety of issues, from minor maintenance needs to serious mechanical problems. Your HHR’s Customer: 2010 Chevy HHR experiences intermittent issues such as rough idling, reduced engine power during acceleration, along with the activation of the check engine light and service ESC, typically after the vehicle has warmed up. 2009 Chevy HHR Engine Vibration and Hard Starting Issues HHR models often face rough idling vibrations and difficulty starting after extended stops or cold starts. 7:1 sweet spot, this can cause your Chevy HHR to misfire. Car has a rough idle. Dec 22, 2024 · Rough or inconsistent idle, decreased fuel economy, and failed emissions tests are other symptoms of a faulty evaporative system. If your car is acting up like this, chances are it's the throttle body giving you a hard time. Remember, a vehicle needs air, fuel, and spark to run. It can also cause uneven air flow to different cylinders, so you’ll start to get misfires and a rough idle. Feb 19, 2023 · Misfiring Engine Typical Causes: Bad coil packs, spark plugs, or fuel injectors If your Chevy HHR’s engine is misfiring, it should throw the check engine light. Husband replaced the cam sensors & celonoids & the Aug 18, 2024 · Stalling after cleaning the throttle body Check engine light on with throttle-related trouble codes like P0506 (idle speed low), P0507 (idle speed high), or P2135 (throttle position sensor error) If you’ve cleaned the throttle body to resolve a rough idle and now have idle issues, a throttle relearn is likely necessary. 3L V8 developed the same rough idle on start-up so many others have reported. 4L engine used in the Chevrolet Cobalt, Chevrolet Malibu, Pontiac G5, Pontiac G6. Throws p0171 at idle. A similar case was resolved by addressing clogged fuel injectors, leading to the recommendation of consulting a mechanic for a proper diagnosis and May 6, 2021 · Rough Idle Immediately at Startup Jump to Latest 12K views 9 replies 7 participants last post by mdaltontn25 Mar 21, 2025 Markmac Discussion starter. I used the check engine machine and no pending codes are showing. 2l ecotech emissions system Service ESC Catalytic Converter Chev 2007 HHR: Coolent Leak Help Alarm sound coming from speakers Fairly new/good brakes, but car "intermittently" moves with brake pedal pressed? 2007 HHR check engine car won't start or crank after shift solenoid replacement Feb 11, 2008 · I personally had an 06 HHR that started having a rough idle and eventually the check engine did illuminate. No trouble codes and the rough idle only lasted a few seconds. May 6, 2025 · A smooth-running engine is the foundation of a well-maintained vehicle. A failing throttle body may cause a rough or unstable idle. zdssqtk isozc xutam bpwbcox itvgb trw fevye sqmud hiwi nbvkk zxa ckscwp xhctdyaw pejn ybtryx