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

87 TII Running rich...

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Old Jun 9, 2007 | 05:11 PM
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1n1tialjdr1ft's Avatar
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Confident it will run...
 
Joined: Apr 2007
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From: Montrose CO
Angry 87 TII Running rich...

Finally got it started up by pulling fuse and replacing..but its running rich with lots of white smoke and when i turn the car off it floods...what can i do to fix this issue
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Old Jun 9, 2007 | 06:52 PM
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HAILERS
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Joined: May 2001
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From: FORT WORTH, TEXAS,USA
It sounds like leaking injectors. Which injector? Can't tell from here nor there.

After a Serioud flood, the thing will smoke white til the excess fuel in the exaust pipes etc have burnt out.

There's a bandaid that Mazdatrix makes for this problem. Go visit their site and find it. It would be under Fuel items. A bleeder of sorts.

What happens is this. The fuel rail stays pressurize for maybe a half hour after shutting down the engine. The leaking injector drips fuel and causes the flooind you talk about. The Mazdatrix item has a bleed hole of a very small dia, that will bleed off the fuel in the fuel rail. It'll bleed it back into the fuel tank. No pressure equals no possibility of the engine flooding from a leaky fuel injector. Comprende? Of course.

A cheaper fix is to pull the fuel pump. Drill a less than 1/16 hole in the metal feed line that supplies fuel to the engine. Then reinstall the fuel pump. The fuel rail cannot then stay pressurized after the engine is shut down. Cost? Depends. EVeryone has a drill. The drill bit might have to be purchased. A 1/32 hole would be better than 1/16" hole.

If the hole was drilled to big, all is not lost. A common hose clamp could be put on the fuel supply tube where the hole was drilled, and that clamp could be clamped over the hole. Fixed. No leaky.
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