Replaced coolant sensor engine light on now

2005 DODGE NEON
130,000 MILES • 2.0L • 4 CYL • 2WD • AUTOMATIC
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DJGAZELL
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Also gear shifter is making noise when slowing down.
Dec 28, 2019 at 3:28 PM
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ASEMASTER6371
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Good evening,

Why did you replace the sensor?

What is the code that is set?

What kind of noise is the shifter making? Can you upload a video of the noise for me?

Roy
Dec 28, 2019 at 4:36 PM
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DJGAZELL
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Replaced the coolant sensor because i was having cold start problem..but here is a video of the noise:
Video (Click to enlarge)
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Dec 28, 2019 at 10:21 PM
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DJGAZELL
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Don't know code yet.. doing that in the morning.
Dec 28, 2019 at 10:52 PM
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ASEMASTER6371
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Okay, thanks.

Let me know the code.

Roy
Dec 29, 2019 at 5:57 AM
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DJGAZELL
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No codes now. No light. Had a vacuum hose unplugged, but i'm have cold start problem again and the idle rpm's are really low; 500 barely running.
Dec 30, 2019 at 8:24 AM
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ASEMASTER6371
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Okay, the first thing I would do is check the fuel pressure to be sure the pump is supplying enough fuel when cold.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Roy
Dec 30, 2019 at 8:39 AM
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DJGAZELL
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Replaced MAP sensor and TPS.. now wont even stay idling weather hot or cold. new code for IAC malfunction, but i replaced that 3 weeks ago and fixed itself for a bit.
Dec 30, 2019 at 8:37 PM
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ASEMASTER6371
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Need the code number.

Did you check the fuel pressure.

Roy
Dec 31, 2019 at 12:26 AM
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DJGAZELL
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Everything working now. clogged air valve.. but now when i start it it idles fine for 3 seconds then raises to 1,500/2,000 rpm's. i replaced IAC 3 weeks ago so it shouldn't be that. no engine light.
Jan 1, 2020 at 2:39 PM
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ASEMASTER6371
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Pull off the wires to the IAC and see if the idle is normal. What valve was clogged?

Roy
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Jan 1, 2020 at 3:14 PM