Question about 1990 Chevrolet K1500
You have stumbled on the problem when you reduced the fuel flow / pressure when it fired with the fuel line off
yes it has good cone shape at the injectors but excessive fuel so it is in effect flooding
Posted on May 22, 2017
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Posted on Jan 02, 2017
SOURCE: i am getting fuel to
Add techroline fuel injector cleaner and replace your fuel filter to increase the flow of gas to the injectors. You may need to repeat the cleaner until the injectors are clean.
Posted on Jul 19, 2008
Try using a good fuel line/injector cleaner Seafoam is a good one. If this does not help you may have tone or more clogged injectors. Clean these out and you should be good to go. tTo see Seafoam in action goto you tube type Seafoam into the search box.
Posted on Jul 08, 2009
Barring any ignition problems, it may be one of these sensors that are part of the TBI.
TPS throttle position sensor, and the IAC idle air control
the following web page has some good info
Posted on Aug 10, 2009
Put an injector noid light at the injector plug terminals to see if your getting a signal from the PCM(computer).If not try to find a computer from the same vehicle that works and swap it into yours to check.A PCM swap will take about 15minutes.
Posted on Sep 23, 2009
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