Question about 1997 Chevrolet Tahoe
In the carb there is a needlejet and float that regulates the amount of fuel in the chamber of the carb ,,, the jet could be stuck ... or also there is a main jet that feeds fuel into the manifold fromthe carb ,,, this could be blocked ,,,, you will have to remove top of carb to check these ,,,,dont open unless u have some mechanical experience because they can be complicated ,,,, if the truck is not in use that much or not used for long periods the needlejet could be stuck shut ,,,, a firm tap on the cover near the fuel feed can sometimes free it,,, and i domt mean to hammer it !!!
Posted on Nov 23, 2013
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Posted on Jan 02, 2017
SOURCE: Truck won't stay running
if it is a electric fuel pump take the fuel line off carburator and get a three foot gas line hook it up to the gas line on the car run gas line into an empty gallon container and turn key on and see if you are getting a good flow of gas
Posted on Jun 23, 2008
if u pour fuel in the throttle body n cranks then goes dead u may want to check your fuel injectors see if they're actually working , u say your fuel pump is good maybe not the injectors
Posted on May 27, 2009
When cranking the engine when it refuses to start, have you checked for spark at the end of the plug wire? If you don't have spark, I'd reccommend replacing the electronic ignition module in the distributor. I had a similar problem once and replaced the fuel pump and filter before finding the REAL problem.
Posted on Apr 25, 2010
This truck is fuel injected, the problem sounds like a weak fuelpump, it runs when you pour gas into it until that gas runs out, the first thing is to test the fuel preasure, if the pump is weak it may run with gas poured into it but wont idle, also a common problem is the coolant temp sensor and the ground wires to thermostat housing bolt but i wont bet its the pump inside the fuel tank, if you put a fuel gauge on it there should be at least 55-61 psi if its a few pounds lower it can cause problems, you have everything else and it runs with gas poured so its a fuel problem check the preasure, theres a valve up top on the fuel line to connect a fuel gauge to it, start there hope this is helpful.
Posted on Dec 27, 2010
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