Question about 2002 Chevrolet TrailBlazer
Do you have at least 60 ft lbs at the little valve on top .
You can't affictly test the pump pressure this way .
Volume would be a better test take off the filter plug a soda bottle on the line from the fuel pump .Turn the key to run see how much fuel in 10 seconds then x it by 6 and that is gal per min.
Posted on Apr 15, 2015
Possibly the crank sensor it tells the injectors and coils when to fire. Relieve fuel pressure then re pressurize the system if it gets pressure the fuel pump is good at least
Posted on Apr 15, 2015
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Posted on Jan 02, 2017
this is a comon problem on chevy 00-06 models a computer ground ,it seems ok at sight but inside it's just holding a few wires ,get under the car on the driver side passenger there you should find a two ground wire goin to the block a big, and a small ,the small one gets coroded try to fix it and let me know how it goes ok.
Posted on Feb 25, 2010
SOURCE: fuel pressure release
Remove the gas cap, disconnect the battery, locate the fuel pressure test port, connect a fuel pressure gauge with a bleed off valve and drain tube.
Posted on Sep 20, 2008
Hi! You must be frustrated by now! your code is marking that the O2 sensor is bad in bank 1. Did you replace the O2 sensor that is located before the catalytic converter? The S10 has an O2 sensor specially made for that cat. its about 30$ That would explain for your blackened spark plugs; your pc on the car is asking for more fuel. GOOD LUCK!!
Posted on Apr 29, 2009
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