2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

How do you do a compression test ?

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Old Nov 12, 2001 | 11:13 AM
  #1  
Matt5.0's Avatar
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From: Jax FL
How do you do a compression test ?

I have heard you can do one from home , without takeing it to a dealer ..

Any help woud be greatly appreciated

Thanks

-Matt
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Old Nov 12, 2001 | 11:20 AM
  #2  
zyounker's Avatar
root
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From: Phoenix, AZ
Easy way (not so acurate) Pull the EGI fuse. WhPull 1 spark plug out of the front rotor and turn the car over.. make sure you get 3 evenly spaced pulses. and the should all sound the same.. Then do the rear rotor..



-Zach
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Old Nov 12, 2001 | 12:47 PM
  #3  
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From: Milpitas, CA
don't forget to purchase or acquire a compression testing instrument, it just goes into where you pulled out the plug, they should be cheap, under 20 bux.

hey, so does the EGI fuse turn off the fuel pump? or is important to leave the fuel pump on.

Do you use the starter to turn over the rotary engine, or do you push the car???????????

thx.
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Old Nov 12, 2001 | 01:02 PM
  #4  
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From: Mississauga
Im pretty sure you want either no apark or no fuel, u dont wanan start the car with the gauge hooked up. If ur puttng fuel in it would probably flood, not good. So remove fuel fuse, or both fuel and spark. I would have some one crank it over and watch the gauge for bounces.

Cheers,
Jakob
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