Question about 1990 Honda Prelude

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Honda prelude 1990

I failed the emissions test due to the 5th censor could you tell me where i might find the 5th censor????

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This prelude model on my experience the cause of in emission either map sensor near the throttle body and the small hose is connected. Next the coolant sensor below the distributor w/ two wires and the fuel pressure is cause by bad fuel pressure regulator at the end of fuel rail or the fuel return line closed. I hope this will give help to you.

Posted on Sep 23, 2008

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How do I bleed a Honda prelude fuel system. 1999 model,5th generation. Thankyou. E.Whelan.


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Lost speed.5th gear stoped working


old car. 5th gear? is this M/T? 1987 ?
A/T? is 4speed

what does stopped working mean .
1: shifter fails to select 5 gear H pattern slot.
2: grinds?
3: cant force it to 5th with clutch depressed.? is free play at spec?
4: raise front wheels off ground, can you get in to 5th now? keyout and running?
5: can you get into 5th parked engine off, and select 5th and then start car in 5th with clutch depresses first step. then slowly very slowly attempt to move car starting in 5th, but dont finish, just feel the gear, feel that its there and not neutral.

not working ,says nothing at all.

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Torque specs for head bolts, 1990 Honda prelude si


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May 03, 2010 | 1990 Honda Prelude

1 Answer

Puting vac hoses back on and carberater on a 1984


The engine and emission control system covered by this information operate on a combination of vacuum and electrical signals; they are extremely prone to malfunctions due to improper vacuum connections. If a component does not receive vacuum at the correct time, it cannot function when needed. When working under the hood, pay close attention to the routing and placement of every hose.

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Fig. 1: The vacuum hoses are usually numbered for easy identification

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Fig. 2: Vacuum hose routing-1984-85 carbureted Prelude


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Fig. 47: Emission component schematic-1984-85 carbureted Prelude




Hope this helped; TY for using Fixya (remember comment and rated this).



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1 Answer

89 Honda Prelude failing emissions rich


is everything stock? and you have catalitic converter in place?

Stop by Schucks auto supply and have them run the codes. i'm sure there is a code if you cant pass emissions. your check engine light bulb is probably out.

and usually the first cause is the first o2 sensor.

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1 Answer

Overdrive speed in Honda 1990 doesn't work


yes I will mail the information.

I will do some copies and send to you as soon I can.

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1 Answer

1990 Prelude Automatic Transmission


Hi...

The first step you need to do on your Honda,
Is check if the Cluster show the Vehicle Speed.
If not You need to fix the Cause of not speed.
Because the Overdrive is strictly comanded at certain speed.

But if the Speed signal is good , you will need to test the Overdrive selenoid...

Ok. Letme know if you need instructions to test, or any info you need.
For try to solve your problem..

Thank you for use fixya...

Oct 15, 2008 | 1990 Honda Prelude

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