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My battery light comes on at 2000 rpms on my 1986 honda prelude 2.0 si

When i drive and i hit 2000 rpms my battery light comes on and when it goes back to idle it goes off no change in idle or when its running. I also recenty just had the power on the stero and to the blinkers go out

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  • 2 Answers

Have your alternator checked, may be lead bruses are worn out.

Posted on Dec 06, 2012

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Posted on Jan 02, 2017

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SOURCE: 1990 Toyota Celica GTS. Idle races too high

sound very much like a vacuum leak.... also maybe your timing is off? possibly advanced? try retarding it with the distributor if thats the case...

Posted on Feb 01, 2009

tns_davao
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SOURCE: 1998 honda prelude check engine light goes on if i

If it runs good no worries. Your check engine light will turn on if theres a problem in one of your sensor, reving it on hi rpm will normally give you a light..

Posted on Jul 10, 2009

  • 4 Answers

SOURCE: The tachometer on my 92 Honda Prelude Si works but the factory speedometer isn't whatsoever.

Its probably your speed sensor mounted on the back side of your transmission on top of the final drive gear. Its the sensor/plug located just under the shift linkage. Make sure its bolted down tight and check for any loose connections.

Posted on Aug 15, 2009

  • 548 Answers

SOURCE: speedometer on 92 honda prelude si

no there is no easier way if he didnt put the pin to the cable back on it must be reattached

Posted on Sep 03, 2009

yankstorm02
  • 145 Answers

SOURCE: 1989 honda prelude. engine surges. from normal to 2100 rpms

There is a warm up valve on the throttle body(should have 2 small coolant hoses). remove the valve and have someone start the car while you block the port to the valve on the intake. If that clears up the problem you can cut a piece of cardboard to mount in between the valve and intake.should straighten it out.

Posted on Oct 01, 2009

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1 Answer

1986 Prelude si. Why isn't the speed sensor working?


it could be a defective sensor. possibly an open or the gear on that drives the sensor is not turning.

Jun 10, 2015 | 1986 Honda Prelude

1 Answer

86 prelude 2.o SI has no spatk and no PGM-FI light. how do I test the circut for that light


if you have changed the distributor cap,rotor button,spark plug wires and plugs and you still dont have fire then its most likely your distributor.first check the fuses or relays if you have replaced those items.

Dec 10, 2012 | 1986 Honda Prelude

1 Answer

1994 Honda Prelude si starting problems


Your starter motor is either not getting power or in need of replacement. Otherwise, there is nothing wrong with your car.

Also check your battery connections for no corrosion there as well as by the starter motor. Low voltage circuits in a car are extremely vulnerable to poor contact issues.

Mar 29, 2017 | Honda Prelude Cars & Trucks

1 Answer

My idle needs to be turned down on my 1986 honda prelude si.


Look for a hole about 11mm diameter on the throttle body with a brass colored, slotted plug in it. Turning the plug/screw clockwise with a flat tipped screwdriver should turn down the idle speed.

Feb 25, 2010 | 1986 Honda Prelude

1 Answer

1992 prelude si - battery/alternator prob?


if you can charge the battery and drive it for a while then sounds like the altenator has failed and is not re-charging the battery, good way to test is to charge the battery, start the car and turn the light on, if everything is dimm or the motor dies there is little to no charge voltage, and will require altenator work

Jul 01, 2009 | 1992 Honda Prelude

1 Answer

92 prelude si (auto)


With normal acceleration the 1st to second shift point should be around 2500-3000 rpm. Most of your shifts under moderate acceleration will take place at this same point or when there a light load on the transmission. Under hard acceleration the RPMs will climp higher due to increased power needs and the computer will shift when less power is needed or the RPMs climb to an unsafe speed say5000-6000rpms (depending on where yours redlines). Also going up a steep hill will raise the RPMs higher and goind down a hill will cause a faster shift at lower RPMs. These can always be altered by an individual owner by adjusting shift points, using performance parts and if you have problems (low tranny fluid/trans issues). Your trans RPMS are fine and will vary depening on how your foot accelerates. The shift pattern should be the same every time you drive slow/medium/fast/, look for changes in those patterns you will also catch a problem early.

Jun 14, 2009 | 1992 Honda Prelude

1 Answer

1993 honda prelude si dash lights go off and engine dies. try to start but engine dies. if dash light comes on after fiddling with key, car can be kick started.


my 93 prelude was doing the exact same thing and for me it was my alternator was working properly.
go to a parts store and have them test it.

Jul 27, 2008 | 1986 Honda Prelude

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