Engine start problems Post issues with engine start here. Does not start, does not run, etc.

not starting when engine is cold

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Old Nov 17, 2024
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not starting when engine is cold

1.7l 2001 civic is not starting when the engine is cold. it has P0118 engine coolant temp sensor and P0141 O2 sensor code. i changed temp sensor 5 times but still the same issue. checked the battery and the fuses and everything is okay. what i discovered is, when i pour hot water near the temp sensor the car starts right away. can anyone help me?
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Old Nov 18, 2024
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Re: not starting when engine is cold

I'm guessing you're buying cheap aftermarket sensors.
buy an oe denso sensor. Get one from a junkyard if you don't want to buy new
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Old Nov 18, 2024
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Re: not starting when engine is cold

i have tried oem sensors but still the same issue
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Old Nov 18, 2024
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Re: not starting when engine is cold

Make sure the wires to the sensor are okay. Maybe the water is conducting an otherwise bad connection.
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