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1987 s4 n\a still wont start

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Old Aug 28, 2010 | 03:39 PM
  #1  
vts4fc's Avatar
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From: Vermont
1987 s4 n\a still wont start

So the clutch switch was the least of my problems.....
I checked the plugs, they are wet, and I am getting spark and the starter is cranking good. The car sat for a few years, and the engine is a new remanufactured 13b from mazda with about 5k miles. Any Ideas as to whats going on? why It wont start? the plugs are old, but are sparking. I'm getting new ones monday, but I'm thinking that wont just solve it.
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Old Aug 29, 2010 | 10:50 AM
  #2  
Aaron Cake's Avatar
Engine, Not Motor
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From: London, Ontario, Canada
Three things are required for the engine to run:

-fuel
-spark
-compression

You seem to have spark and compression, so next check for fuel.

If the car sat for a few years, the injectors are probably locked/clogged. They will need to be professionally serviced.

http://www.aaroncake.net/rx-7/unstore.htm
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Old Aug 30, 2010 | 07:20 AM
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if the plugs are wet you probably have fuel. de-flood it a few times. seriously, this may take a few tries so get out the battery charger and a cooler of beer. and have a friend hang out and drink beer too so when it fires up and smoke comes bellowing out you can high-five and whistle like rednecks while your neighbors look at your smoking, loud-*** ride.
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Old Aug 30, 2010 | 03:51 PM
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I was really hoping to avoid having anything professionally done, I wanted to do everything myself for the sake of the cost. I wouldnt mind a few beers while I'm working on it, but got another year for that (legally). Oh, and I dont really have neighbors, I live out on a dirt road, and am considered a bit of a redneck, haha. I heard elsewhere that putting a small amount of oil into the combustion chamber may boost compression enough momentarily to get it to start- Any thoughts on this trick? My plugs didnt come today, so, not doing much
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Old Aug 30, 2010 | 05:06 PM
  #5  
3vil's Avatar
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From: Springtuckey
Originally Posted by vts4fc
I was really hoping to avoid having anything professionally done, I wanted to do everything myself for the sake of the cost. I wouldnt mind a few beers while I'm working on it, but got another year for that (legally). Oh, and I dont really have neighbors, I live out on a dirt road, and am considered a bit of a redneck, haha. I heard elsewhere that putting a small amount of oil into the combustion chamber may boost compression enough momentarily to get it to start- Any thoughts on this trick? My plugs didnt come today, so, not doing much
yes this can help build compression. you remove the two lower plugs (leading plugs iirc) and added about a tablespoon or so of oil to each rotor. put the plugs back in and fire it up (expects LOTS of smoke)

i've found that using one of these large syringes with a piece of vinyl hose on the end to literally inject the oil into the spark plug hole....

Last edited by 3vil; Aug 30, 2010 at 05:07 PM. Reason: spelling/grammar
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Old Aug 31, 2010 | 08:56 AM
  #6  
Aaron Cake's Avatar
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From: London, Ontario, Canada
Honestly, if the car sat, just stop and start cleaning out the fuel system. Otherwise you'll trash the injectors (more so), the lines, the filters and the pump.

Resign yourself to the fact you will have to send the injectors out for cleaning. If you really want to get the car going, make sure you have good compression. Then send the injectors out for service, and while you are waiting, clean the rest of the fuel system thoroughly.
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