Question about 1987 Subaru Gl 4WD
Engine running lean, gum-out increases engine speed at idle and if goosed. EGR valve was leaking, replaced it so now it idles. Before EGR, just wouldn't idle. Fuel filter recently replaced. Could one of the electrical components on the carb cause this problem? It started suddenly. Everything fine, then parked it for 2 weeks and this started, just didn't want to run. I rebuilt the carb now, it had no issues except the accel pump shot was weak.. I'm an experinced carb person, done many in my years as a mechanic.
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Posted on Jan 02, 2017
SOUNDS LIKE YOU HAVE IT NARROWED DOWN TO THE EXHAUST SYSTEM.THE CONVERTER IS PROBABLY PLUGGED,CHECK THE TEMPS. COMING IN AND OUT.THEY SHOULD ONLY BE A FEW DEGREES DIFFERANT,IF THEY'RE ALOT HIGHER COMEING OUT IT'S PLUGGED.
Posted on Oct 11, 2009
check you dont have a split in the corrugated pipe from the maf to the swirl chamber (the big black plastic tank attached to the inlet manifold) or a leak into the intake somewhere, doesnt have to be a small vac tube.
Also you may have a sticking TB butterfly as my learned friend suggested.
Posted on Dec 02, 2009
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