Chevy Sonic Vacuum Leak. RepairPal /r/ChevySonic is a place for new, old, and potenti

RepairPal /r/ChevySonic is a place for new, old, and potential Chevy Sonic/Chevy Aveo/Holden Barina owners to show off their Sonics, ask questions, post news and anything else related to the Sonic. If the P0171 code on a Chevrolet Sonic is caused by a vacuum leak, faulty mass air flow sensor, or oxygen sensor, the repair will cost between $100 and $400. Feb 4, 2025 · Learn more about how to check for vacuum leaks in your car. DTC P0171GM Part number 25198877h 5 Symptoms of a Vacuum Leak and Causes of This Problem MaxTheCarGuy 47. 4L Turbo LUJ/LUV/A14NET engine: 2011-2016 Limited 1. Jan 20, 2017 · GM 1. Chevrolet Sonic PDF Service, Workshop and Repair manuals, Wiring Diagrams, Spare Parts Catalogue, Fault codes free download! I'll show you how to Diagnose Code P0442 and how to locate the leak in minutes. My fuel rail pressure measures between 290 kPa and 300 kPa at idle. Both Chevrolet Dec 28, 2025 · I’ve performed vacuum tests, boost leak tests, and smoke tests on both the exhaust and intake systems. GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". Dec 13, 2018 · Yes, a vacuum leak can cause P0507 in a Chevy Sonic. Another trouble spot is the valve cover pressure regulator but that typically causes noticeable idle issues. 2011 - 2020 GM Ecotec 1. 23 hours ago · Your check engine light's glowing, the scanner spits out Chevy P0420, and the shop wants $1,500 for a new catalytic converter. Looks like something is supposed to be inserted in this port. If a How to test for boost leaks on the LUV/LUJ Chevy Cruze and Sonic 1. Take a look around and see if you can find the vacuum leak. have suggestions on what to check next? Thanks in advance! A vacuum leak in the intake manifold or vacuum hoses causes hissing sounds, rough idle, and stalling. Oct 15, 2023 · Installed a new intake tuning Intake Manifold Runner Control Motor and vapor canister purge valve on my G/F's 2016 Sonic 1. Fits: 2012-2020 Chevy Sonic 1. RepairPal Jan 8, 2012 · Vacuum Leaks – One of the most frequent reasons for the P0171 code on the Chevy Sonic is a vacuum leak. 5. Is it typical to experience vacuum suction through the valve cover between cylinder 1 and cylinder 3 in a 2013 Chevy Sonic LT 1. This is a typical open port for full manifold vacuum. Inspect the area to identify any potential leaks. The engine off natural vacuum diagnostic is designed to detect leaks as small as 0. I ended up having a cracked valve cover, which was also covered. I researched this last year when I thought this was my issue. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. Jan 14, 2025 · How to Diagnose and Fix a Vacuum Leak in a Chevrolet Sonic? When dealing with vacuum leaks in a Chevrolet Sonic, it's crucial to recognize the common problems that can arise. First post. 8L? I have codes P0171, P015B, and P0128. Here’s a helpful YouTube video on how to find a vacuum leak. But here's the thing: replacing that cat might not fix your problem. Vacuum leak most likely at the front crankshaft seal (Vehicles Built Prior to December 1, 2014) Important: Vehicles built after the above date already have the new design front crank seal. 020 in). However, if the problem is the fuel pump, it will cost a lot to replace. Look at any hoses or sensors that connect to the intake manifold. Other possibilities include an evap cannister solenoid and a fuel tank pressure sensor, each minimum $300. Chevrolet Tuck air conditioning blowing hot air repair. We 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 GM / General Motors: Chevrolet Cruze What Jan 14, 2025 · Learn about vacuum leaks in the 2014 Chevrolet Sonic, including causes, symptoms, diagnosis, and repair tips to maintain optimal engine performance. Jan 14, 2025 · Learn about vacuum leaks in the 2017 Chevrolet Sonic, including causes, symptoms, and diagnostic steps to maintain optimal engine performance. What is this slot and can it be repaired? Much thanks. While engine is running, the vacuum is strong enough to suck the skin on your fingertip. Replacement of valve cover step by step. This video also teaches you the vacuum leak locations. 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. Oct 15, 2023 · Noticed a pretty bad vacuum leak near the throttle body, on the edge of the intake manifold. 51 mm (0. com. Learn about vacuum leaks in the 2012 Chevrolet Sonic, including causes, symptoms, and diagnosis steps to maintain optimal engine performance on RepairPal. I have a check engine light on in this Chevy Silverado with a small EVAP system leak detected. In fact, Vacuum leak at the positive crankcase ventilation (PCV) control valve • With the engine running, place your finger over the breather port of the PCV diaphragm cover.

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