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Old 04-08-2013, 07:39 AM   #1
vacountryboy
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93 cb7 f22b2 swap vacuum lInes help

I'm having issues with my vacuum lines. I swapped an obd2 f22b2 in my 93 accord that had the f22a6 now all I need to know is which lines go where because the intake manifolds are different and I can't swap them without swapping the heads. All I need to know is how to hook up these lines and if I use the old a6 ecu will there be any benefits/draw backs.
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Old 04-08-2013, 09:06 AM   #2
GhostAccord
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What vacuum system are you using? Have you kept everything from your CB or did you convert to OBD2?

There is a vacuum tree on the drivers side of the intake plenum on the F22B2 engine. That is where all of your vacuum lines for your MAP, EGR, FPR and emissions stuff in the black box can hook up to. The large vacuum line on the back is for the brake booster.

Not sure what else you are looking for. Any vacuum nipples that do not have a hose going to them after you have everything hooked up. Should have a cap put on them.

Vacuum is vacuum, doesn't matter where the hose is connected on the plenum. Just as long as the hardware it is attached to is getting consistent vacuum.

The old A6 ECU will work just fine with the F22B2 engine.
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Old 04-11-2013, 03:42 AM   #3
vacountryboy
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I kept everything from my cb but the engine is supposed to be obd2 but it had a coil on it??
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Old 04-11-2013, 04:29 AM   #4
GhostAccord
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Yes... the OBD2 F22B2 is supposed to have an external coil. No vacuum lines to it though...
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Old 04-13-2013, 01:32 AM   #5
vacountryboy
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So do I. Block off the other lines and is no vacuum lines a good thing
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