Troubleshooting: B18C5 Swap questions

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04-25-2019, 04:44 AM

#26

AllMtrRex

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Re: Troubleshooting: B18C5 Swap questions

Quote:

Originally Posted by chrisbactive

UPDATE:

Checked the wiring... loose connection. cleaned it up and re wired. rpm idle dropped from 1.7 rpm to .9 rpm idle. CEL went away but came back again with CEL code 14 for IACV. I tried cleaning IACV recently. might be time for a new one??

it was a 1 pin plug btw...

A new IACV should do the trick. I purchased a ebay IACV for D16Y8 and it fixed the issue when multiple cleanings of the IACV did not.

1 wire sensor is the Engine Coolant Temperature sending unit for the gauge cluster. Good deal though.

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04-25-2019, 10:12 PM

#27

chrisbactive

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Re: Troubleshooting: B18C5 Swap questions

Quote:

Originally Posted by AllMtrRex

Acura dealer charged me $340. Ordered new from Tokyo, Japan for $235. Should arrive Monday. keeping my fingers crossed.
Also purchased brand new oem hoses...

Ill post again once done

Thanks again!!

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05-14-2019, 12:33 AM

#28

chrisbactive

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Re: Troubleshooting: B18C5 Swap questions

Code 41 Oxygen Sensor Heater Circuit Loose Wiring.

I replaced the O2 sensor with Bosche last month. Throwing this code...
Might be a dud?

otherwise, engine turns on perfect and low idle.

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