Question about Chevrolet 2002 S10 Pickup Fender g69211042o Without opt ZR2; Excluding Xtreme Topeka, Kansas
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Posted on Jan 02, 2017
Could be vapor lock in the fuel system. Next time it does this, stop and try removing the fuel filler cap... Hope this helps...;-)
Posted on Apr 14, 2009
You have TBI, check the two injectors for a "V" or cone style, spray pattern. There shouldn't be any dripping. Also check the TBI assembly for any leaks. The fuel pressure regulator is mount at the rear part f the TBI. If the diaphram is damaged it could cause exsesive fuel to dump into the engine.
Posted on Apr 26, 2009
i'd bet the catalytic converter is stopped up.
Posted on Feb 04, 2010
Testimonial: "thanks i took it to the shop i cant remember excactly whatthey said was wrong but mainly its just leaking fluid really really bad and other stuff"
p0420 is Catalyst System Efficiency Below Threshold (Bank 1)
o2 sensors reading are used to check the cat
if the cat is plugged you will lose power
o2 sensor send a voltage signal to the computer 0 to 1 volts
The o2 upstream of the cat should switch back and forth from 0 to 1 volts, average .450v
if voltage stays high engine is running rich (low oxygen)
if voltage stays low engine is lean (lots of oxygen)
cats have a 8-year 80000-mile warranty
Posted on Jul 11, 2010
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