Question about 1989 Honda Prelude

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Is the manifold on a b21a engine the same as a b20a honda prelude?

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Yes it is. Will need to make small adjustments though. These websites will tell you all you need to know:
http://www.preludepower.com/forums/showthread.php?p=2184952

and

www.preludeonline.com/f62/b20a-intake-manifold-91928/

Posted on Jun 24, 2009

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Honda h22 5 speed


stalls. ( ever tune it up,at the 60k service points? )
what year, no year , no joy, 1978 to 2001 , lots huh?

and what engine option, displacement (size)

over 10 engines
Third-generation Honda Prelude engines:
B20A/B20A1 - 2.0L DOHC PGM-FI 143/160 hp (Japan/Europe)
B20A3 - 2.0L SOHC 12v carb 104 hp North America
B20A4 - 2.0L SOHC 12v carb Global, except North America
B20A5 - 2.0L DOHC PGM-FI 135 hp (101 kW) North America
B20A6 - 2.0L DOHC PGM-FI 142 hp (106 kW) Oceania
B20A7 - 2.0L DOHC PGM-FI 150 hp (110 kW) Europe
B20A8 - 2.0L DOHC PGM-FI 133 hp (99 kW) Europe
B20A9 - 2.0L DOHC PGM-FI 140 hp (100 kW) Europe
B21A - 2.1L DOHC PGM-FI 145 hp (108 kW) Japan (SI States)
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Jan 11, 2014 | Honda Prelude Cars & Trucks

1 Answer

Intake manifold


they have, many engines. (hey honey in garage what engine?)
you failed so say which one.
the FSM covers this, as does alldata.com or mitchels.
this is GEN 5 prelude.
check out wiki on gen 5, see all them engines?
and there are over 80 markets, you in USA orJAPAN? where.
check out sub models,
http://en.wikipedia.org/wiki/Honda_Prelude

here is a free FSM. no guarantees. its free.
gen 5, RTM.
http://hondatech.info/downloads/Auto/Manuals/Prelude/Prelude%205/



or alldata.com



Dec 30, 2013 | Honda Cars & Trucks

2 Answers

1989 Honda Prelude Si 4WS; 2.0 DOHC - How do I change the O2 sensors on the manifold?


simply unplug and use a 7/8 wrench and a lot of muscle use a small amount of anti seize during installation.

Feb 18, 2011 | 1989 Honda Prelude

1 Answer

I have a 2001 honda prelude its leaking a lot of oil from under intake mani fold i just dont know from where any ideas?


it is most likely leaking from the seal at the front of engine gasket between the manifold and motor. the manifold will have to be removed an new gaskets installed.

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your o2 sensor is not reading right change it out and it will be fine

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TAPPET SETTINGS HONDA PRELUDE 2.2 IMPORT


Intake valve clearance 0.15mm-0.19mm (6-7 thou); Exhaust clearance 0.17mm-0.21mm (7-8 thou). All measurments COLD engine. 2.2 VTEC Prelude engine 1992-1996, import and UK.

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1 Answer

1989 Honda Prelude runs at hight rpms until warmed up


check for vacumm leaks or disconnected vacuumm hoses around the in take manifold!

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1 Answer

1989 honda prelude enigne idles high then low irratic


I had the same problem on a Rover. There was a leak in inlet manifold that was caussing the problem.
To verify, spray some sealant to temporarily seal the inlet manifold .and the eratic idling should disappear for some time.
If it does, you know there is leak in inlet manifold which you can take of and refit with a new gasket.

Oct 27, 2008 | 1989 Honda Prelude

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