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Hey folks, my friend has a 94 U13 n he's having a lot of trouble with it....
We changed the VC gasket cuz it had failed n cracked. The spark plug wires were old, so when we pulled them out, 2 of them ripped in half, so we changed the wires. He took it for a short drive n the car was runnin fine til, all of a sudden, it stalled. He pulled over n noticed that the coil to distributor wire popped off. Seems that the connector wasn't snug, so he widened it, put it in n it was snug. He starts up the car n it has a crazy misfire n spits a lot of fuel smelling exhaust. When we checked his NEW sparkplugs, they were covered in burnt fuel. Here's a list of what we checked/replaced since then:

Changed plugs
Changed cap n rotor
Found oil in distributor, so got a refurbished one
Coil was beat up n covered in oil, so replaced that
Checked timing (although might not be accurate the way the car is runnin)
All the fuel injectors are spittin n have the same continuity within spec
Reset ECU numerous times throughout replacing components

None of this helped. The MIL bulb works, but is not lighting up to indicate that there is a code to be read.

Here's the big clue: When we take out the fuel pump fuse, the car runs GREAT n for a MINUTE OR TWO! Usually cars die pretty quickly when you do that.

So, the car's runnin WAY too rich n we're outta ideas. It seems like the spark should be ok, but the injectors seem to be functioning normally as well. We're outta ideas (well, we're hopin it's not a confused ECU).

Any ideas???

Thanks!
 

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Too many things to check, start by inspecting if all the IC tubes & vac lines are sealed (do you have a boost/vac gauge, if so how much it reads ?), then put a fuel presure gauge, then check the MAF volt come back if that didn't helped.
 
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