Thumbdata4 open, Symptoms of a failing sensor include fluctuating temperature gauge readings and poor engine performance. Also inspect the fuel pump relay and diesel filter for blockages I've got a 2009 Ford focus and the security light was flashing and wouldn't start. Use a plastigauge to measure clearance between bearings and crankshaft journals. 0L engine, and I'm hearing a squealing or whining noise coming from the engine compartment. Thought it was key got a new one Mechanic's Assistant chat Customer: I've got a 2009 Ford focus and the security light was flashing and wouldn't start. Customer: I have a P0451 code on a 2009 Focus. Not enough to set a misfire code. I have the software and the freeze frame data from when the engine light came on. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Do you have any suggestions on what might be causing this? Engine vibrations in a 2009 Ford Focus 2. However, if I slightly press the accelerator to increase the idle by 50-75 RPMs, it runs smoothly. It has about 38,000 miles. The code was present Customer: I have a 2009 Ford Focus that experiences a rough curb idle when the engine is at operating temperature, and it feels like the engine might stall. Check sensor connectors for corrosion or damage, test sensor resistance, and replace if faulty. Inspect engine mounts for cracks or looseness, replacing if necessary. . Regular oil changes every 5,000 to 7,500 miles help prevent sludge and maintain engine performance. The coolant temperature sensor on a 2009 Ford Focus SE 2. the engine stalls entermittently. Also 2009 Ford Focus 2. thank you. Pls help. I clean the mass air meter, throttle body, and also disconnect battery for ten seconds. Explora el Blog oficial de YouTube y ponte al día con las noticias de la empresa, los perfiles de artistas y creadores, los análisis de cultura y tendencias. 0L commonly stem from worn engine mounts or ignition system issues like faulty spark plugs or coils. Limp mode with no-start in a 2009 Ford Focus often stems from faulty crankshaft or camshaft position sensors. It has a small rough idle. Hazte con la aplicación YouTube oficial en tu teléfono o tablet Android. No trouble codes stored. 0 engines may face bearing wear causing knocking and low oil pressure issues. Still stalls. 0 Engine Main and Rod Bearing Oil Clearances Focus 2. I conducted a COP test and a fuel injector test, and everything is operational. Descubre qué temas están arrasando en todo el mundo: desde los vídeos musicales del momento hasta los contenidos más About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket © 2026 Google LLC The singing voices behind HUNTR/X from Kpop Demon Hunters (EJAE, AUDREY NUNA, and REI AMI) scroll through their actual YouTube Watch History, and it's absolutely GOLDEN! Personalized content and ads can also include things like video recommendations, a customized YouTube homepage, and tailored ads based on past activity, like the videos you watch and the things Share your videos with friends, family, and the world ¡No te pierdas esta oportunidad de conectar con la comunidad de YouTube en español como nunca antes! #PodcastdeYouTube #YouTubeCreators #HistoriasdeYouTube With the YouTube Music app, enjoy over 100 million songs at your fingertips, plus albums, playlists, remixes, music videos, live performances, covers, and hard-to-find music you can’t get Explore videos, music, and original content on YouTube, connecting with friends, family, and the world. 2009 Ford Focus 2. Customer: Im working on a 2009 ford focus. It has a four cylinder. 0l squealing/whining noise from engine compartment. 0L Duratec is located near the thermostat housing on the engine block. Replace the oil filter with a high-quality OEM or equivalent part designed for this model. Any ideas Mechanic's Assistant chat Customer: I have a 2009 Ford Focus with a 2. Don't remember size. I'm unsure which data from the freeze frame I should focus on. Engine main and rod bearing clearances are critical for proper lubrication and longevity. It is my sister inlaw's car. For a 2009 Ford Focus, use SAE 5W-20 engine oil meeting Ford WSS-M2C930-A specifications. Mechanic's Assistant: Has your vehicle stalled? Has anyone performed a diagnostic test to retrieve the trouble code? Customer: The vehicle hasn't stalled; I just replaced the engine. These sensors send critical signals for ignition timing; failure causes engine malfunction warnings and prevents firing.
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