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boosted b16 bogging down

Old 03-12-2014, 05:51 AM
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Default boosted b16 bogging down

I've got a 94 civic with a boosted b16. I was having an idle surge issue and I've bleed the coolant system and it didn't really help. So I adjusted the idle screw and that fixed that but a couple days after that it started to bog down when the motor was cold and then stops when the motor heats up now my air fuel gauge goes from lean to rich randomly when it bogs it says its rich. I get a check engine light every now and then but I can't find the plug to jump so I can find out what the codes are.
Old 03-12-2014, 06:25 AM
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Default Re: boosted b16 bogging down

What ECU are you using? Is it Tuned(not base mapped)?

Look in the FAQs to figure out how to pull the CEL code.
Old 03-12-2014, 06:31 AM
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Default Re: boosted b16 bogging down

I just bought the car so I'm not sure what ecu it has. From what I was told it's been tuned.
Old 03-13-2014, 05:10 AM
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Default Re: boosted b16 bogging down

needs fuel taken out
Old 03-17-2014, 01:26 PM
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Default Re: boosted b16 bogging down

When it bogs it shows lean
Old 03-18-2014, 07:40 AM
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Default Re: boosted b16 bogging down

Originally Posted by Maxman
my air fuel gauge goes from lean to rich randomly when it bogs it says its rich.
Which is it?
Do you have a wideband A/F gauge or a cheap narrowband?
When does it bog down? Tip-in, constant throttle, under boost, etc...?
Old 03-18-2014, 08:18 AM
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Default Re: boosted b16 bogging down

Normal cruising no boost it goes lean. When it does that I can give it gas and it will richen up. I have a wideband.
Old 03-24-2014, 04:17 AM
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Default Re: boosted b16 bogging down

Any suggestions?
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