91 Burban-250,000 miles
#1
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91 Burban-250,000 miles
Engine "missing or loading" at lower RPM. 350-auto-250,000 miles. Replaced-cap/rotor/wires/plugs/fuel filter/air filter-all the usual stuff. Still misses. Pulled new cap-very dirty!</P>
Could it possibly be a worn out distributer with so many miles? Or anyone have other ideas?</P>
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Thank you in advance!</P>
#3
I had that issue on a 91 S-10 that I fooled with for months. I kept throwing parts at it and eventually took it to the local Chevy dealer to diagnose. $70.00 bucks later they say "We don't know what's wrong with it." I went to Auto Zone and bought a new computer, which was pretty cheap for that truck, and replaced it. Truck ran like a brand new one. I'm not suggesting that you replace the computer, yet.. I would suspect that the distributor might be shot. That's not a hard fix on a 1991 model. I just replaced the distributor on my 1999 Honda CRV. It would get hot and quit. I discovered that I could drive it in 2nd gear and limp home. Anyway, that new cap being very dirty suggest that something in the distributor is bad. I'll bet a rebuilt distributor for a 1991 sburb is pretty affordable. Looks like remans on-line are around $60 bucks. O'rileys has them for about $100.00.
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