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lea_werner1

Fiat Panda Whistling and Temperature Sensor Error

Alright, Fiat Panda gurus, I've got a head-scratcher. My 2007 Panda, gasoline engine, is throwing a hissy fit. 75927 km on the clock. The check engine light's on, power's way down, and there's this crazy whistling, like a tea kettle when accelerating. I've pulled the codes, and it's screaming "charge air temperature sensor". Sounds like that little bugger is on the fritz. I poked around, and visually the wires and the plug look ok-ish, but I suspect that might be the culprit. Has anyone wrestled with this gremlin before? It feels like the engine's suffocating!

Summary of the thread

A 2007 Fiat Panda is experiencing a check engine light, reduced power, and a whistling noise during acceleration. The error code indicates an issue with the charge air temperature sensor. Possible causes include a faulty sensor, mass air flow sensor issues, or blockages in the air intake. Solutions suggested involve checking for air intake obstructions and inspecting sensor connections, with a professional workshop visit recommended for thorough diagnosis and repair. The problem was resolved by fixing a defective plug/cable connection.

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4 comment(s)

lilianflamme10

Whoa, that whistling thing rings a bell! I had almost the same circus happening with my old Opel Corsa. Similar symptoms, though no whistling, but more of a loud hissing sound when accelerating! Check engine light, limp mode, the whole shebang. The garage guys replaced the mass air flow sensor, after they checked the temperature gauge as well. Did you check the air intake for blockages, like leaves or debris? It's a long shot, but worth a peek. Might be messing with the airflow and confusing the sensor.

lea_werner1 (community.author)

Interesting! Hissing is close enough to whistling for these Italian marvels I guess. You mentioned the mass air flow sensor and the temperature gauge. Was the Corsa throwing the same temperature sensor error code, or something else? I'm trying to figure out if a dodgy MAF sensor could somehow be triggering the temp sensor warning. Also, where exactly was that air intake obstruction on your Corsa? Gives me a place to start looking!

lilianflamme10

Good point. I don't remember the exact code number unfortunately. But the symptoms were similar: loss of power, plus the light, and they started by looking at the same air temperature stuff. The mechanic said that the MAF sensor readings being off can sometimes trick the system into thinking the temperature is wrong. As for the obstruction on my Corsa, it was just leaves and crud built up right where the air intake sucks air from the engine bay, so pretty easy to spot. But honestly, after all the poking and prodding, I ended up taking it to the workshop. Sometimes you just gotta admit defeat and let the pros handle it.

lea_werner1 (community.author)

Right, workshop visit it is then! Thanks for sharing your experience. Sounds like even if I clear the blockage myself (if there is any) the sensor error requires a professional to look at it. Just got the bill: 95€, it was a defective plug/cable connection. Much appreciated!

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FIAT

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PANDA